Hospital Station

by James White

HOSPITAL STATION

CHAPTER 1

MEDIC

The alien occupying O'Mara's sleeping compartment weighed roughly half a ton, possessed six short, thick appendages which served both as arms or legs and had a hide like a flexible armor plate. Coming as it did from Hudlar, a four-G world with an atmospheric pressure nearly seven times Earth normal, such ruggedness of physique was to be expected. But despite its enormous strength the being was helpless, O'Mara knew, because it was barely six months old, it had just seen its parents die in a construction accident, and its brain was sufficiently well developed for the sight to have frightened it badly.

            "I've b-b-brought the kid," said Waring, one of the section's tractorbeam operators. He hated O'Mara, and with good reason, but he was trying not to gloat. "C-C-Caxton sent me. He says your leg makes you unfit for normal duty, so you can look after the young one until somebody arrives from its home planet. He's on his way over n-now...

            Waring trailed off. He began checking the seals of his spacesuit, obviously in a hurry to get out before O'Mara could mention the accident. "I brought some of its food with me," he ended quickly. "It's in the airlock."

            O'Mara nodded without speaking. He was a young man cursed with the kind of physique which ensured him winning every fight he had ever been in, and there had been a great many of them recently, and a face which was as square, heavy and roughly formed as was his over-muscled body. He knew that if he allowed himself to show how much that accident had affected him, Waring would think that he was simply putting on an act. Men who were put together as he was, O'Mara had long ago discovered, were not supposed to have any of the softer emotions.

Immediately Waring departed he went to the airlock for the glorified paint-sprayer with which Hudlarians away from their home planet were fed. While checking the gadget and its spare food tanks he tried to go over the story he would have to tell Caxton when the section chief arrived. Staring moodily through the airlock port at the bits and pieces of the gigantic jigsaw puzzle spread across fifty cubic miles of space outside, he tried to think. But his mind kept ducking away from the accident and slipping instead into generalities and events which were in the far past or future.

            The vast structure which was slowly taking shape in Galactic Sector Twelve, midway between the rim of the parent galaxy and the densely populated systems of the Greater Magellan Cloud, was to be a hospital-a hospital to end all hospitals. Hundreds of different environments would be accurately reproduced here, any extreme of heat, cold, pressure, gravity, radiation or atmosphere necessary for the patients and staff it y would contain. Such a tremendous and complex structure was far beyond( the resources of any one planet, so that hundreds of worlds had each fabricated sections of it and transported them to the assembly point.

            But fitting the jigsaw together was no easy job.

            Each of the worlds concerned had their copies of the master plan. But errors occurred despite this-probably through the plan having to be translated into so many different languages and systems of measurement. Sections which should have fitted snugly together very often had to be modified to make them join properly, and this necessitated moving the sections together and apart several times with massed tractor and pressor beams. This was very tricky work for the beam operators, because while the weight of the sections out in space was nil, their mass and inertia was tremendous.

            And anyone unlucky enough to be caught between the joining faces of two sections in the process of being fitted became, no matter how tough a life-form they happened to be, an almost perfect representation of a two-dimensional body.

The beings who had died belonged to a tough species, physiological classification FROB to be exact. Adult Hudlarians weighed in the region of two Earth tons, possessed an incredibly hard but flexible tegument which, as well as protecting them from their own native and external pressures, allowed them to live and work comfortably in any atmosphere of lesser pressure down to and including the vacuum of space. In addition they had the highest radiation tolerance level known, which made them particularly invaluable during power pile assembly.

            The loss of two such valuable beings from his section would, in any case, have made Caxton mad, quite apart from other considerations. O'Mara sighed heavily, decided that his nervous system demanded a more positive release than that, and swore. Then he picked up the feeder and returned to the bedroom.

            Normally the Hudlarians absorbed food directly through their skin from the thick, soupy atmosphere of their planet, but on any other world or in space a concentrated food compound had to be sprayed onto the absorbent hides at certain intervals. The young e-t was showing large bare patches and in other places the previous food coating had worn very thin. Definitely, thought O'Mara, the infant was due for another feed. He moved as close as seemed safe and began to spray carefully.

            The process of being painted with food seemed to be a pleasant one ( for the young FROB. It ceased to cower in the corner and began blundering excitedly about the small bedroom. For O'Mara it became a matter of trying to hit a rapidly moving object while practicing violent evasive maneuvers himself, which set his injured leg throbbing more painfully than ever. His furniture suffered, too.

            Practically the whole interior surface of his sleeping compartment was covered with the sticky, sharp-smelling food compound, and also the exterior of the now-quiescent young alien, when Caxton arrived.

            "What's going on?" said the Section Chief.

            Space construction men as a class were simple, uncomplicated personalities whose reactions were easily predictable. Caxton was the type who always asked what was going on even when, as now, he knew-and especially when such unnecessary questions were meant simply to needle somebody. In the proper circumstances the section chief was probably a quite likeable individual, O'Mara thought, but between Caxton and himself those circumstances had yet to come about.

            O'Mara answered the question without showing the anger he felt, and ended, ". .. After this I think I'll keep the kid in space, and feed it there. .

            "You will not!" Caxton snapped. "You'll keep it here with you, all the time. But more about that later. At the moment I want to know about the accident. Your side of it, that is."

            His expression said that he was prepared to listen, but that he already doubted every word that O'Mara would say in advance.

"Before you go any further," Caxton broke in after O'Mara had completed two sentences, "you know that this project is under Monitor Corps jurisdiction. Usually the Monitors let us settle any trouble that crops up in our own way, but this case involves extra-terrestrials and they'll have to be brought in on it. There'll be an investigation." He tapped the small, flat box hanging from his chest. "It's only fair to warn you that I'm taping everything you say.

            O'Mara nodded and began giving his account of the accident in a low monotone. It was a very weak story, he knew, and stressing any particular incident so as to point it up in his favor would make it sound even more artificial. Several times Caxton opened his mouth to speak, but thought better of it. Finally he said:

            "But did anyone see you doing these things? Or even see the two e-ts moving about in the danger area while the warning lights were burning? You have a neat little story to explain this madness on their part- which, incidentally, makes you quite a hero-but it could be that you switched on the lights after the accident, that it was your negligence regarding the lights which caused it, and that all this about the straying youngster is a pack of lies designed to get you out of a very serious charge-"

            "Waring saw me," O'Mara cut in.

            Caxton stared at him intently, his expression changing from suppressed anger to one of utter disgust and scorn. Despite himself O'Mara felt his face heating up.

            "Waring eh?" said the section chief tonelessly. "A nice touch, that. You know, and we all know, that you have been riding Waring constantly, needling him and playing on his disability to such an extent that he must hate you like poison. Even if he did see you, the court would expect him to keep quiet about it. And if he did not see you, they would think that he had and was keeping quiet about it anyway. O'Mara, you make me sick."

            Caxton wheeled and stamped toward the airlock. With one foot through the inner seal he turned again.

            "You're nothing but a troublemaker, O'Mara," he said angrily, "a surly, quarrelsome lump of bone and muscle with just enough skill to make you worth keeping. You may think that it was technical ability which got you these quarters on your own. It wasn't, you're good but not that good! The truth is that nobody else in my section would share accommodation with you..."

            The section chief's hand moved to the cut-off switch on his recorder. His voice, as he ended, became a quiet, deadly thing.

            ..... And O'Mara if you let any harm come to that youngster, if anything happens to it at all, the Monitors won't even get the chance to try you.

            The implications behind those final words were clear, O'Mara thought angrily as the section chief left; he was sentenced to live with this organic half-ton tank for a period that would feel like eternity no matter how short it was. Everybody knew that exposing Hudlarians to space was like putting a dog out for the night-there were no harmful effects at all. But what some people knew and what they felt were two vastly different things and O'Mara was dealing here with the personalities of simple, uncomplicated, over-sentimental and very angry construction men.

When he had joined the project six months before, O'Mara found that he was doomed again to the performance of a job which, while important in itself, gave him no satisfaction and was far below his capabilities. Since school his life had been a series of such frustrations. Personnel officers could not believe that a young man with such square, ugly features and shoulders so huge that his head looked moronically small by comparison could be interested in subtle subjects like psychology or electronics. He had gone into space in the hope of finding things different, but no. Despite constant efforts during interviews to impress people with his quite considerable knowledge, they were too dazzled by his muscle-power to listen, and his applications were invariably stamped "Approved Suitable for Heavy, Sustained Labor."

            On joining this project he had decided to make the best of what promised to be another boring, frustrating job-he decided to become an unpopular character. As a result his life had been anything but boring. But now he was wishing that he had not been so successful at making himself disliked.

            What he needed most at this moment was friends, and he hadn't a single one.

            O'Mara's mind was dragged back from the dismal past to the even less pleasant present by the sharp all-pervading odor of the Hudlarian's food compound. Something would have to be done about that, and quickly. He hurriedly got into his lightweight suit and went through the lock.

II

His living quarters were in a tiny sub-assembly which would one day form the theater surgical ward and adjoining storage compartments of the hospital's low-gravity MSVK section. Two small rooms with a connecting section of corridor had been pressurized and fitted with artificial gravity grids for O'Mara's benefit, the rest of the structure remaining both airless and weightless. He drifted along short, unfinished corridors whose ends were open to space, staring into the bare, angular compartments which slid past. They were all full of trailing plumbing and half-built machinery the purpose of which it was impossible to guess without actually taking an MSVK educator tape. But all the compartments he examined were either too small to hold the alien or they were open in one direction to space. O'Mara swore with restraint but great feeling, pushed himself out to one of the ragged edges of his tiny domain and glared around him.

            Above, below and all around him out to a distance of ten miles floated pieces of hospital, invisible except for the bright blue lights scattered over them as a warning to ship traffic in the area. It was a little like being at the center of a dense globular star cluster, O'Mara thought, and rather beautiful if you were in a mood to appreciate it. He wasn't, because on most of these floating sub-assemblies there were pressor-beam men on watch, placed there to fend off sections which threatened to collide. These men would see and report it to Caxton if O'Mara took his baby alien outside even for feeding.

            The only answer apparently, he told himself disgustedly as he retraced his way, was nose-plugs.

            Inside the lock he was greeted by a noise like a tinny foghorn. It blared out in long, discordant blasts with just enough interval in between to make him dread the arrival of the next one. Investigation revealed bare patches of hide showing through the last coat of food, so presumably his little darling was hungry again. O'Mara went for the sprayer.

            When he had about three square yards covered there was an interruption. Dr. Pelling arrived.

            The project doctor took off his helmet and gauntlets only, flexed the stiffness out of his fingers and growled, "I believe you hurt your leg. Let's have a look."

            Pelling could not have been more gentle as he explored O'Mara's injured leg, but what he was doing was plainly a duty rather than an act of friendship. His voice was reserved as he said, "Severe bruising and a couple of pulled tendons is all-you were lucky. Rest. I'll give you some stuff to rub on it. Have you been redecorating?"

            "What... ?" began O'Mara, then saw where the doctor was looking. "That's food compound. The little so-and-so kept moving while I was spraying it. But speaking of the youngster, can you tell me-"

            "No, I can't," said Pelling. "My brain is overloaded enough with the ills and remedies of my own species without my trying to stuff it with FROB physiology tapes. Besides, they're tough-nothing can happen to them!" He sniffed loudly and made a face. "Why don't you keep it outside?"

            "Certain people are too soft-hearted," O'Mara replied bitterly. "They are horrified by such apparent cruelties as lifting kittens by the scruff of the neck. .

            "Humph," said the doctor, looking almost sympathetic. "Well, that's your problem. See you in a couple of weeks."

            "Wait!" O'Mara called urgently, hobbling after the doctor with one empty trouser leg flapping. "What if something does happen? And there has to be rules about the care and feeding of these things, simple rules. You can't just leave me to. . . to...

            "I see what you mean," said Pelling. He looked thoughtful for a moment, then went on, "There's a book kicking around my place somewhere, a sort of Hudlarian first aid handbook. But it's printed in Universal

            "I read Universal," said O'Mara.

            Pelling looked surprised. "Bright boy. All right, I'll send it over." He nodded curtly and left.

O'Mara closed the bedroom door in the hope that this might cut down the intensity of the food smell, then lowered himself carefully into the living room couch for what he told himself was a well-deserved rest. He settled his leg so that it ached almost comfortably and began trying to talk himself into an acceptance of the situation. The best he could achieve was a seething, philosophical calm.

            But he was so weary that even the effort of feeling angry became too much for him. His eyelids dropped and a warm deadness began creeping up from his hands and feet. O'Mara sighed, wriggled and prepared to sleep ...

            The sound which blasted him out of his couch had the strident, authoritative urgency of all the alarm sirens that ever were and a volume which threatened to blow the bedroom door off its runners. O'Mara grabbed instinctively for his spacesuit, dropped it with a curse as he realized what was happening, then went for the sprayer.

            Junior was hungry again...!

            During the eighteen hours which followed it was brought home to O'Mara how much he did not know about infant Hudlarians. He had spoken many times to its parents via Translator, and the baby had been mentioned often, but somehow they had not spoken of the important things. Sleep, for instance.

            Judging from recent observation and experience, infant FROBs did not sleep. In the all too short intervals between feeds they blundered ( around the bedroom smashing all items of furniture which were not metal and bolted down-and these they bent beyond recognition or usefulness-or they huddled in a corner knotting and unknotting their tentacles. Probably this sight of a baby doing the equivalent of playing with its fingers would have brought coos of delight from an adult Hudlarian, but it merely made O'Mara sick and cross-eyed.

            And every two hours, plus or minus a few minutes, he had to feed the brute. If he was lucky it lay quiet, but more often he had to chase it around with the sprayer. Normally FROBs of this age were too weak to move about-but that was under Hudlar's crushing gravity-pull and pressure. Here in conditions which were to it less than one quarter-G, the infant Hudlarian could move. And it was having fun.

            O'Mara wasn't: his body felt like a thick, clumsy sponge saturated with fatigue. After each feed he dropped onto the couch and let his bone-weary body dive blindly into unconsciousness. He was so utterly and completely spent, he told himself after every spraying, that he could not possibly hear the brute the next time it complained-he would be too deeply out. But always that blaring, discordant foghorn jerked him at least half awake and sent him staggering like a drunken puppet through the motions which would end that horrible, mind-wrecking din.

After nearly thirty hours of it O'Mara knew he couldn't take much more. Whether the infant was collected in two days or two months the result as far as he was concerned would be the same; he would be a raving lunatic. Unless in a weak moment he took a walk outside without his suit. Pelling would never have allowed him to be subjected to this sort of punishment, he knew, but the doctor was an ignoramus where the FROB life-form was concerned. And Caxton, only a little less ignorant, was the simple, direct type who delighted in this sort of violent practical joke, especially when he considered that the victim deserved everything he got.

            But just suppose the section chief was a more devious character than O'Mara had suspected? Suppose he knew exactly what he was sentencing him to by leaving the infant Hudlarian in his charge? O'Mara cursed tiredly, but he had been at it so constantly for the last ten or twelve hours that bad language had ceased to be an emotional safety valve. He shook his head angrily in a vain attempt to dispel the weariness which clogged his brain.

            Caxton wasn't going to get away with it.

            He was the strongest man on the whole project, O'Mara knew, and his reserves of strength must be considerable. All this fatigue and nervous twitching was simply in his mind, he told himself insistently, and a couple of days with practically no sleep meant nothing to his tremendous physique-even after the shaking up he'd received in the accident. And anyway, the present situation with the infant couldn't get any worse, so it must soon begin to improve. He would beat them yet, he swore. Caxton would not drive him mad, or even to the point of calling for help.

            This was a challenge, he insisted with weary determination. Up to now he had bemoaned the fact that no job had fully exploited his capabilities. Well, this was a problem which would tax both his physical stamina and deductive processes to the limit. An infant had been placed in his charge and he intended taking care of it whether it was here for two weeks or two months. What was more, he was going to see that the kid was a credit to him when its foster parents arrived...

After the forty-eighth hour of the infant FROB's company and the fiftyseventh since he had had a good sleep, such illogical and somewhat maudlin thinking did not seem strange to O'Mara at all.

            Then abruptly there came a change in what O'Mara had accepted as the order of things. The FROB after complaining, was fed and refused to shut up!

            O'Mara's first reaction was a feeling of hurt surprise; this was against the rules. They cried, you fed them, they stopped crying-at least for a while. This was so unfair that it left him too shocked and helpless to react.

            The noise was bedlam, with variations. Long, discordant blasts of sound beat over him. Sometimes the pitch and volume varied in an insanely arbitrary manner and at others it had a grinding, staccato quality as if broken glass had got into its vocal gears. There were intervals of quiet, varying between two seconds and half a minute, during which O'Mara cringed waiting for the next blast. He struck it out for as long as he could-a matter of ten minutes or so-then he dragged his leaden body off the couch again.

            "What the blazes is wrong with you?" O'Mara roared against the din. The FROB was thoroughly covered by food compound so it couldn't be

hungry.            (

            Now that the infant had seen him the volume and urgency of its cries increased. The external, bellows-like flap of muscle on the infant's back-used for sound production only, the FROBs being non-breathers- continued swelling and deflating rapidly. O'Mara jammed the palms of his hands against his ears, an action which did no good at all, and yelled, "Shut up!"

            He knew that the recently orphaned Hudlarian must still be feeling confused and frightened, that the mere process of feeding it could not possibly fulfill all of its emotional needs-he knew all this and felt a deep pity for the being. But these feelings were in some quiet, sane and civilized portion of his mind and divorced from all the pain and weariness and frightful onslaughts of sound currently torturing his body. He was really two people, and while one of him knew the reason for the noise and accepted it, the other-the purely physical O'Mara-reacted instinctively and viciously to stop it.

            "Shut up! SHUT UP!" screamed O'Mara, and started swinging with his fists and feet.

            Miraculously after about ten minutes of it, the Hudlarian stopped crying.

            O'Mara returned to the couch shaking. For those ten minutes he had been in the grip of a murderous, uncontrollable rage. He had punched and kicked savagely until the pains from his hands and injured leg forced him to stop using those members, but he had gone on kicking and screeching invective with the only other weapons left to him, his good leg and tongue. The sheer viciousness of what he had done shocked and sickened him.

            It was no good telling himself that the Hudlarian was tough and might not have felt the beating; the infant had stopped crying so he must have got through to it somehow. Admittedly Hudlarians were hard and tough, but this was a baby and babies had weak spots. Human babies, for instance, had a very soft spot on the top of their heads..

            When O'Mara's utterly exhausted body plunged into sleep his last coherent thought was that he was the dirtiest, lowest louse that had ever been born.

Sixteen hours later he awoke. It was a slow, natural process which brought him barely above the level of unconsciousness. He had a brief feeling of wonder at the fact that the infant was not responsible for waking him before he drifted back to sleep again. The next time he wakened was five hours later and to the sound of Waring coming through the airlock.

            "Dr. P-Pelling asked me to bring this," he said, tossing O'Mara a small book. "And I'm not doing you a favor, understand-it's just that he said it was for the good of the youngster. How is it doing?"

            "Sleeping," said O'Mara.

            Waring moistened his lips. "I'm-I'm supposed to check. C-C-Caxton says so.

            "Ca-Ca-Caxton would," mimicked O'Mara.

            He watched the other silently as Waring's face grew a deeper red. Waring was a thin young man, sensitive, not very strong, and the stuff of which heroes were made. On his arrival O'Mara had been overwhelmed with stories about this tractor-beam operator. There had been an accident during the fitting of a power pile and Waring had been trapped in a section which was inadequately shielded. But he had kept his head and, following instructions radioed to him from an engineer outside, had managed to avert a slow atomic explosion which nevertheless would have taken the lives of everyone in his section. He had done this while all the time fully convinced that the level of radiation in which he worked would, in a few hours time, certainly cause his death.

            But the shielding had been more effective than had been thought and Waring did not die. The accident had left its mark on him, however, they told O'Mara. He had blackouts, he stuttered, his nervous system had been subtly affected, they said, and there were other things which O'Mara himself would see and was urged to ignore. Because Waring had saved all their lives and for that he deserved special treatment. That was why they made way for him wherever he went, let him win all fights, arguments and games of skill or chance, and generally kept him wrapped in a swathe of sentimental cottonwool.

            And that was why Waring was a spoiled, insufferable, simpering brat.

            Watching his white-lipped face and clenched fists, O'Mara smiled. He had never let Waring win at anything if he could possibly help it, and the first time the tractor-beam man had started a fight with him had also been the last. Not that he had hurt him, he had been just tough enough to demonstrate that fighting O'Mara was not a good idea.

            "Go in and have a look," O'Mara said eventually. "Do what Ca-Ca Caxton says.

            They went in, observed the gently twitching infant briefly and came out. Stammering, Waring said that he had to go and headed for the airlock. He didn't often stutter these days, O'Mara knew; probably he was scared the subject of the accident would be brought up.

            "Just a minute," said O'Mara. "I'm running out of food compound, will you bring-"

            "G-get it yourself!"

            O'Mara stared at him until Waring looked away, then he said quietly, "Caxton can't have it both ways. If this infant has to be cared for so thoroughly that I'm not allowed to either feed or keep it in airless conditions, it would be negligence on my part to go away and leave it for a couple of hours to get food. Surely you see that. The Lord alone knows what harm the kid might come to if it was left alone. I've been made responsible for this infant's welfare so I insist. .

            "B-b-but it won't-"

            "It only means an hour or so of your rest period every second or third day," said O'Mara sharply. "Cut the bellyaching. And stop sputtering at me, you're old enough to talk properly."

            Waring's teeth came together with a click. He took a deep, shuddering breath then with his jaws still clenched furiously together he exhaled. The sound was like an airlock valve being cracked. He said:

            "It... will. . . take. . . all of. . . my next two rest periods. The FROB quarters... where the food is kept.. . are being fitted to the main assembly the day after tomorrow. The food compound will have to be transferred before then."

            "See how easy it is when you try," said O'Mara, grinning. "You were a bit jerky at first there, but I understood every word. You're doing fine. And by the way, when you're stacking the food tanks outside the airlock will you try not to make too much noise in case you wake the baby?"

            For the next two minutes Waring called O'Mara dirty names without repeating himself or stuttering once.

            "I said you were doing fine," said O'Mara reprovingly. "You don't have to show off."

III

After Waring left, O'Mara thought about the dismantling of the Hudlarian's quarters. With gravity grids set to four Gs and what few other amenities they required the FROBs had been living in one of the key sections. If it was about to be fitted to the main assembly then the completion of the hospital structure itself could only be five or six weeks off. The final stages, he knew, would be exciting. Tractor men at their safe positions- depressions actually on the joining faces-tossing thousand-ton loads about the sky, bringing them together gently while fitters checked alignment or adjusted or prepared the slowly closing faces for joining. Many of them would disregard the warning lights until the last possible moment, and take the most hair-raising risks imaginable, just to save the time and trouble of having their sections pulled apart and rejoined again for a possible re-fitting.

            O'Mara would have liked to be in on the finish, instead of babysitting!

            Thought of the infant brought back the worry he had been concealing from Waring. It had never slept this long before-it must be twenty hours since it had gone to sleep or he had kicked it to sleep. FROBs were tough, of course, but wasn't it possible that the infant was not simply asleep but unconscious through concussion...?

            O'Mara reached for the book which Pelting had sent and began to read.

            It was slow, heavy going, but at the end of two hours O'Mara knew a little about the handling of Hudlarian babies, and the knowledge brought both relief and despair. Apparently his fit of temper and subsequent kicking had been a good thing-FROB babies needed constant petting and a quick calculation of the amount of force used by an adult of the species administering a gentle pat to its offspring showed that O'Mara's furious attack had been a very weak pat indeed. But the book warned against the dangers of over-feeding, and O'Mara was definitely guilty on this count. Seemingly the proper thing to do was to feed it every five or six hours during its waking period and use physical methods of soothing-patting, that was-if it appeared restless or still hungry. Also it appeared that FROB infants required, at fairly frequent intervals, a bath.

            On the home planet this involved something like a major sandblasting operation, but O'Mara thought that this was probably due to the pressure and stickiness of the atmosphere. Another problem which he would have to solve was how to administer a hard enough consoling pat. He doubted very much if he could fly into a temper every time the baby needed its equivalent of a nursing.

            But at least he would have plenty of time to work out something, because one of the things he had found out about them was that they were wakeful for two full days at a stretch, and slept for five.

During the first five-day period of sleep O'Mara was able to devise methods of petting and bathing his charge, and even had a couple of days free to relax and gather his strength for the two days of hard labor ahead when the infant woke up. It would have been a killing routine for a man of ordinary strength, but O'Mara discovered that after the first two weeks of it he seemed to make the necessary physical and mental adjustment to it. And at the end of four weeks the pain and stiffness had gone out of his leg and he had no worries regarding the baby at all.

            Outside, the project neared completion. The vast, three-dimensional jigsaw puzzle was finished except for a few unimportant pieces around the edges. A Monitor Corps investigator had arrived and was asking questions-of everybody, apparently, except O'Mara.

            He couldn't help wondering if Waring had been questioned yet, and if he had, what the tractor man had said. The investigator was a psychologist, unlike the mere Engineer officers already on the project, and very likely no fool. O'Mara thought that he, himself, was no fool either; he had worked things out and by rights he should feel no anxiety over the outcome of the Monitor's investigations. O'Mara had sized up the situation here and the people in it, and the reactions of everyone were predictable. But it all depended on what Waring told that Monitor.

You're turning yellow! O'Mara thought in angry self-disgust. Now that your pet theories are being put to the test you're scared silly they won't work. You want to crawl to Waring and lick his boots!

            And that course, O'Mara knew, would be introducing a wild variable into what should be a predictable situation, and it would almost certainly wreck everything. Yet the temptation was strong nevertheless.

It was at the beginning of the sixth week of his enforced guardianship of the infant, while he was reading up on some of the weird and wonderful diseases to which baby FROBs were prone, his airlock telltale indicated a visitor. He got off the couch quickly and faced the opening seal, trying hard to look as if he hadn't a worry in the world.

            But it was only Caxton.

            "I was expecting the Monitor," said O'Mara.

            Caxton grunted. "Hasn't seen you yet, eh? Maybe he figures it would be a waste of time. After what we've told him he probably thinks the case is open and shut. He'll have cuffs with him when he comes."

            O'Mara just looked at him. He was tempted to ask Caxton if the Corpsman had questioned Waring yet, but it was only a small temptation.

            "My reason for coming," said Caxton harshly, "is to find out about the water. Stores department tells me you've been requisitioning treble the amount of water that you could conceivably use. You starting an aquarium or something?"

            Deliberately O'Mara avoided giving a direct answer. He said, "It's time for the baby's bath, would you like to watch?"

            He bent down, deftly removed a section of floor plating and reached inside.

            "What are you doing?" Caxton burst out. "Those are the gravity grids, you're not allowed to touch-"

            Suddenly the floor took on a thirty degree list. Caxton staggered against a wall, swearing. O'Mara straightened up, opened the inner seal of the airlock, then started up what was now a stiff gradient toward the bedroom. Still insisting loudly that O'Mara was neither allowed nor qualified to alter the artificial gravity settings, Caxton followed.

            Inside, O'Mara said, "This is the spare food sprayer with the nozzle modified to project a high pressure jet of water." He pointed the instrument and began to demonstrate, playing the jet against a small area of the infant's hide. The subject of the demonstration was engaged in pushing what was left of one of O'Mara's chairs into even more unrecognizable shapes, and ignored them.

            "You can see," O'Mara went on, "the area of skin where the food compound has hardened. This has to be washed at intervals because it clogs the being's absorption mechanism in those areas, causing the food intake to drop. This makes a young Hudlarian very unhappy and, ah, noisy...

            O'Mara trailed off into silence. He saw that Caxton wasn't looking at the infant but was watching the water which rebounded from its hide streaming along the now steeply slanted bedroom door, across the living room and into the open airlock. Which was just as well, because O'Mara's sprayer had uncovered a patch of the youngster's hide which had a texture and color he had never seen before. Probably there was nothing to worry about, but it was better not to have Caxton see it and ask questions.

            "What's that up there?" said Caxton, pointing toward the bedroom ceiling.

            In order to give the infant the petting it deserved O'Mara had had to knock together a system of levers, pulleys and counterweights and suspend the whole ungainly mass from the ceiling. He was rather proud of the gadget; it enabled him to administer a good, solid pat-a blow which would have instantly killed a human being-anywhere on that half ton carcass. But he doubted if Caxton would appreciate the gadget. Probably the section chief would swear that he was torturing the baby and forbid its use.

            O'Mara started out of the bedroom. Over his shoulder he said, "Just lifting tackle."

He dried up the wet patches of floor with a cloth which he threw into the now partly water filled airlock. His sandals and coveralls were wet so he threw them in, also, then he closed the inner seal and opened the outer. While the water was boiling off into the vacuum outside he readjusted the gravity grids so that the floor was flat and the wails vertical again, then he retrieved his sandals, coveralls and cloth which were now bone dry.

            "You seem to have everything well organized," said Caxton grudgingly as he fastened his helmet. "At least you're looking after the youngster better than you did its parents. See it stays that way.

            "The Monitor will be along to see you at hour nine tomorrow," he added, and left.

            O'Mara returned quickly to the bedroom for a closer look at the colored patch. It was a pale bluish gray and in that area the smooth, almost steel-hard surface of the skin had taken on a sort of crackle finish. O'Mara rubbed the patch gently and the FROB wriggled and gave a blast of sound that was vaguely interrogatory.

            "You and me both," said O'Mara absently. He couldn't remember reading about anything like this, but then he had not read all the book yet. The sooner he did so the better.

            The chief method of communicating between beings of different species was by means of a Translator, which electronically sorted and classified all sense-bearing sounds and reproduced them in the native language of its user. Another method, used when large amounts of accurate data of a more subjective nature had to be passed on, was the Educator tape system. This transferred bodily all the sensory impressions, knowledge and personality of one being into the mind of another. Coming a long way third both in popularity and accuracy was the written language which was somewhat extravagantly called Universal.

            Universal was of use only to beings who possessed brains linked to optical receptors capable of abstracting knowledge from patterns of markings on a flat surface-in short, the printed page. While there were many species with this ability, the response to color in each species was very rarely matched. What appeared to be a bluish-gray patch to O'Mara might look like anything from yellow-gray to dirty purple to another being, and the trouble was that the other being might have been the author of the book.

            One of the appendices gave a rough color-equivalent chart, but it was a tedious, time-consuming job checking back on it, and his knowledge of Universal was not perfect anyway.

Five hours later he was still no nearer diagnosing the FROB's ailment, and the single blue-gray patch on its hide had grown to twice its original size and been joined by three more. He fed the infant, wondering anxiously whether that was the right thing to do in a case like this, then returned quickly to his studies.

            According to the handbook there were literally hundreds of mild, short-lived diseases to which young Hudlarians were subject. This youngster had escaped them solely because it had been fed on tanked food compound and had avoided the air-borne bacteria so prevalent on its home planet. Probably this disease was nothing worse than the Hudlarian equivalent of a dose of measles, O'Mara told himself reassuringly, but it looked serious. At the next feeding the number of patches had grown to seven and they were a deeper, angrier blue, also the baby was continually slapping at itself with its appendages. Obviously the colored patches itched badly. Armed with this new datum O'Mara returned to the book.

            And suddenly he found it. The symptoms were given as rough, discolored patches on the tegument with severe itching due to unabsorbed food particles. Treatment was to cleanse the irritated patches after each feed so as to kill the itching and let nature take care of the rest. The disease was a very rare one on Hudlar these days, the symptoms appeared with dramatic suddenness and it ran its course and disappeared equally quickly. Provided ordinary care was taken of the patient, the book stated, the disease was not dangerous.

            O'Mara began converting the figures into his own time and size scale. As accurately as he could come to it the colored patches should grow t about eighteen inches across and he could expect anything up to twelve of them before they began to fade. This would occur, calculating from the time he had noticed the first spot, in approximately six hours.

            He hadn't a thing to worry about.

Iv

At the conclusion of the next feeding O'Mara carefully sprayed the blue patches clean, but still the young FROB kept slapping furiously at itself and quivering ponderously. Like a kneeling elephant with six angrily waving trunks, he thought. O'Mara had another look at the book, but it still maintained that under ordinary conditions the disease was mild and short-lived, and that the only palliative treatment possible was rest and seeing that the affected areas were kept clean.

Kids, thought O'Mara distractedly, were a blasted worrisome thing...! All that quivering and slapping looked wrong, common sense told him, and should be stopped. Maybe the infant was scratching through sheer force of habit, though the violence of the process made this seem doubtful, and a distraction of some kind would make it stop. Quickly O'Mara chose a fifty-pound weight and used his lifting tackle to swing it to the ceiling. He began raising and dropping it rhythmically over the spot which he had discovered gave the infant the most pleasure-an area two feet back of the hard, transparent membrane which protected its eyes. Fifty pounds dropping from a height of eight feet was a nice gentle pat to a Hudlarian.

            Under the patting the FROB grew less violent in its movements. But as soon as O'Mara stopped it began lashing at itself worse than ever, and even running full tilt into walls and what was left of the furniture. During one frenzied charge it nearly escaped into the living room, and the only thing which stopped it was the fact that it was too big to go through the door. Up to that moment O'Mara did not realize how much weight the FROB had put on in five weeks.

            Finally sheer fatigue made him give up. He left the FROB threshing and blundering about in the bedroom and threw himself onto the couch outside to try to think.

            According to the book it was now time for the blue patches to begin to fade. But they weren't fading-they had reached the maximum number of twelve and instead of being eighteen or less inches across they were nearly double that size. They were so large that at the next feeding the absorption area of the infant would have shrunk by a half, which meant that it would be further weakened by not getting enough food. And everyone knew that itchy spots should not be scratched if the condition was not to spread and become more serious...

            A raucous foghorn note interrupted his thoughts. O'Mara had experience enough to know by the sound that the infant was badly frightened, and by the relative decrease in volume that it was growing weak as well.

He needed help badly, but O'Mara doubted very much if there was anyone available who could furnish it. Telling Caxton about it would be useless-the section chief would only call in Pelling and Pelling was much less informed on the subject of Hudlarian children than was O'Mara, who had been specializing in the subject for the past five weeks. That course would only waste time and not help the kid at all, and there was a strong possibility that-despite the presence of a Monitor investigator- Caxton would see to it that something pretty violent happened to O'Mara for allowing the infant to take sick, for that was the way the section chief would look at it.

            Caxton didn't like O'Mara. Nobody liked O'Mara.

            If he had been well-liked on the project nobody would have thought of blaming him for the infant's sickness, or immediately and unanimously assuming that he was the one responsible for the death of its parents. But he had made the decision to appear a pretty lousy character, and he had been too damned successful.

            Maybe he really was a despicable person and that was why the role had come so easy to him. Perhaps the constant frustration of never having the chance to really use the brain which was buried in his ugly, muscle-bound body had gradually soured him, and the part he thought he was playing was the real O'Mara.

            If only he had stayed clear of the Waring business. That was what

had them really mad at him. (

            But this sort of thinking was getting him nowhere. The solution of his own problems lay-in part, at least-in showing that he was responsible, patient, kind and possessed the various other attributes which his fellow men looked on with respect. To do that he must first show that he could be trusted with the care of a baby.

            He wondered suddenly if the Monitor could help. Not personally; a Corps psychologist officer could hardly be expected to know about obscure diseases of Hudlar children, but through his organization. As the Galaxy's police, maid-of-all-work and supreme authority generally, the Monitor Corps would be able to find at short notice a being who would know the necessary answers. But again, that being would almost certainly be found on Hudlar itself, and the authorities there already knew of the orphaned infant's position and help had probably been on the way for weeks. It would certainly arrive sooner than the Monitor could bring it. Help might arrive in time to save the infant. But again maybe it might not.

            The problem was still O'Mara's.

About as serious as a dose of measles.

            But measles, in a human baby, could be very serious if the patient was kept in a cold room or in some other environment which, although not deadly in itself, could become lethal to an organism whose resistance was lowered by disease or lack of food. The handbook had prescribed rest, cleansing and nothing else. Or had it? There might be a large and well hidden assumption there. The kicker was that the patient under discussion was residing on its home world at the time of the illness. Under ordinary conditions like that the disease probably was mild and short-lived.

            But O'Mara's bedroom was not, for a Hudlarian baby with the disease, anything like normal conditions.

            With that thought came the answer, if only he wasn't too late to apply it. Abruptly O'Mara pushed himself out of the couch and hurried to the spacesuit locker. He was climbing into the heavy duty model when the communicator beeped at him.

            "O'Mara," Caxton's voice brayed at him when he had acknowledged, "the Monitor wants to talk to you. It wasn't supposed to be until tomorrow but-"

            "Thank you, Mr. Caxton," broke in a quiet, firmer voice. There was a pause, then, "My name is Craythorne, Mr. O'Mara. I had planned to see you tomorrow as you know, but I managed to clear up some other work which left me time for a preliminary chat..

What, thought O'Mara fulminatingly, a damned awkward time you had to pick! He finished putting on the suit but left the gauntlets and helmet off. He began tearing into the panel which covered the air-supply controls.

            To tell you the truth," the quiet voice of the Monitor went on, your case is incidental to my main work here. My job is to arrange accommodation and so on for the various life-forms who will shortly be arriving to staff this hospital, and to do everything possible to avoid friction developing between them when they do come. There are a lot of finicky details to attend to, but at the moment I'm free. And I'm curious about you, O'Mara. I'd like to ask some questions."

            This is one smooth operator! thought one half of O'Mara's mind. The other half noted that the air-supply controls were set to suit the conditions he had in mind. He left the panel hanging loose and began pulling up a floor section to get at the artificial gravity grid underneath. A little absently he said, "You'll have to excuse me if I work while we talk. Caxton will explain-"

            "I've told him about the kid," Caxton broke in, "and if you think you're fooling him by pretending to be the harassed mother type. . .

            "I understand," said the Monitor. "I'd also like to say that forcing you to live with an FROB infant when such a course was unnecessary comes under the heading of cruel and unusual punishment, and that about ten years should be knocked off your sentence for what you've taken this past five weeks-that is, of course, if you're found guilty. And now, I always think it's better to see who one is talking to. Can we have vision, please?"

            The suddenness with which the artificial gravity grids switched from one to two Gs caught O'Mara by surprise. His arms folded under him and his chest thumped the floor. A frightened bawl from his patient in the next room must have disguised the noise he made from his listeners because they didn't mention it. He did the great-grand-daddy of all pressups and heaved himself to his knees.

            He fought to keep from gasping. "Sorry, my vision transmitter is on the blink."

            The Monitor was silent just long enough to let O'Mara know that he knew he was lying, and that he would disregard the lie for the moment. He said finally, "Well, at least you can see me," and O'Mara's vision plate

lit up.   (

            It showed a youngish man with close-cropped hair whose eyes seemed twenty years older than the rest of his features. The shoulder tabs of a Major were visible on the trim, dark-green tunic and the collar bone bore a caduceus. O'Mara thought that in different circumstances he would have liked this man.

            "I've something to do in the next room," O'Mara lied again. "Be with you in a minute.~~

He began the job of setting the anti-gravity belt on his suit to two Gs repulsion, which would exactly counteract the floor's present attraction and allow him to increase the pull to four Gs without too much discomfort to himself. He would then reset the belt for three Gs, and that would give him back a normal gravity apparent of one G.

            At least that was what should have happened.

            Instead the G-belt or the floor grids or both started producing half-G fluctuations, and the room went mad. It was like being in an express elevator which was constantly being started and stopped. The frequency of the surges built up rapidly until O'Mara was being shaken up and down so hard his teeth rattled. Before he could react to this a new and more devastating complication occurred. As well as variations in strength the floor grids were no longer acting at right angles to their surface, but yawed erratically from ten to thirty degrees from the vertical. No storm tossed ship had ever pitched and rolled as viciously as this. O'Mara staggered, grabbed frantically for the couch, missed and was flung heavily against the wall. The next surge sent him skidding against the opposite wall before he was able to switch off the G-belt.

            The room settled down to a steady gravity-pull of two Gs again.

            "Will this take long?" asked the Monitor suddenly.

            O'Mara had almost forgotten the Major during the past hectic seconds. He did his best to make his voice sound both natural and as if it was coming from the next room as he replied, "It might. Could you call back later?"

            "I'll wait," said the Monitor.

            For the next few minutes O'Mara tried to forget the bruising he had received despite the protection given him by the heavy spacesuit, and concentrate on thinking his way out of this latest mess. He was beginning to see what must have happened.

            When two anti-gravity generators of the same power and frequency were used close together, a pattern of interference was set up which affected the stability of both. The grids in O'Mara's quarters were merely a temporary job and powered by a generator similar to the one used in his suit, though normally a difference in frequency was built in against the chance of such instability occurring. But O'Mara had been fiddling with the grid settings constantly for the past five weeks-every time the infant had a bath, to be exact-so that he must have unknowingly altered the frequency.

            He didn't know what he had done wrong and there wasn't enough time to try fixing it if he had known. Gingerly, O'Mara switched on his G-belt again and slowly began increasing power. It registered over three quarters of a G before the first signs of instability appeared.

            Four Gs less three-quarters made a little over three Gs. It looked, O'Mara thought grimly, like he was going to have to do this the hard way...

V

O'Mara closed his helmet quickly, then strung a cable from his suit mike to the communicator so that he would be able to talk without Caxton or the Monitor realizing that he was sealed inside his suit. If he was to have time to complete the treatment they must not suspect that there was anything out of the ordinary going on here. Next came the final adjustments to the air-pressure regulator and gravity grids.

            Inside two minutes the atmosphere pressure in the two rooms had multiplied six times and the gravity apparent was four Gs-the nearest, in fact, that O'Mara could get to "ordinary conditions" for a Hudlarian. With shoulder muscles straining and cracking with the effort-for his under-powered G-belt took only three-quarters of a gravity off the four-G pull in the room-he withdrew the incredibly awkward and ponderous thing which his arm had become from the grid servicing space and rolled heavily onto his back.

            He felt as if his baby was sitting on his chest, and large, black blotches hung throbbing before his eyes. Through them he could see a section of ceiling and, at a crazy angle, the vision panel. The face in it was becoming impatient.

            "I'm back, Major," gasped O'Mara. He fought to control his breathing so that the words would not be squeezed out too fast. "I suppose you want to hear my side of the accident?"

            "No," said the Monitor. "I've heard the tape Caxton made. What I'm curious about is your background prior to coming here. I've checked up and there is something which doesn't quite fit..

            A thunderous eruption of noise blasted into the conversation. Despite the deeper note caused by the increased air pressure O'Mara recognized the signal for what it was; the FROB was angry and hungry.

            With a mighty effort O'Mara rolled onto his side, then propped himself up on his elbows. He stayed that way for a while gathering strength to roll over onto his hands and knees. But when he finally accomplished this he found that his arms and legs were swelling and felt as if they would burst from the pressure of blood piling up in them. Gasping, he eased himself down flat onto his chest. Immediately the blood rushed to the front of his body and his vision began to red out.

            He couldn't crawl on hands and knees nor wriggle on his stomach. Most certainly, under three Gs, he could not stand up and walk. What else was there?

            O'Mara struggled onto his side again and rolled back, but this time with his elbows propping him up. The neck-rest of his suit supported his head, but the insides of the sleeves were very lightly padded and his elbows hurt. And the strain of holding up even part of his three times heavier than normal body made his heart pound. Worst of all, he was beginning to black out again.

            Surely there must be some way to equalize, or at least distribute, the pressures in his body so that he could stay conscious and move. O'Mara tried to visualize the layout of the acceleration chairs which had been used in ships before artificial gravity came along. It had been a not-quite prone position, he remembered suddenly, with the knees drawn up...

            Inching along on his elbows, bottom and feet, O'Mara progressed snail-like toward the bedroom. His embarrassment of riches where muscles were concerned was certainly of use now-in these conditions any ordinary man would have been plastered helplessly against the floor. Even so it took him fifteen minutes to reach the food sprayer in the bedroom, and during practically every second of the way the baby kept up its earsplitting racket. With the increased pressure the noise was so tremendously loud and deep that every bone in O'Mara's body seemed to vibrate to it.

            "I'm trying to talk to you!" the Monitor yelled during a lull. "Can't you keep that blasted kid shut up!"

            "It's hungry," said O'Mara. "It'll quiet down when it's fed. .

            The food sprayer was mounted on a trolley and O'Mara had fitted a pedal control so as to leave both hands free for aiming. Now that his patient was immobilized by four gravities he didn't have to use his hands. Instead he was able to nudge the trolley into position with his shoulders and depress the pedal with his elbow. The high-pressure jet ten4ed to bend floorward owing to the extra gravity but he did finally manage to cover the infant with food. But cleaning the affected areas of food compound was another matter. The water jet, which handled very awkwardly from floor level, had no accuracy at all. The best he could manage was to wash down the wide, vivid blue patch-formed from three separate patches which had grown together-which covered nearly one quarter of its total skin area.

After that O'Mara straightened out his legs and lowered his back gently to the floor. Despite the three Gs acting on him, the strain of maintaining that half-sitting position for the last half hour made him feel almost comfortable.

            The baby had stopped crying.

            "What I was about to say," said the Monitor heavily when the silence looked like lasting for a few minutes, "was that your record on previous jobs does not fit what I find here. Previously you were, as you are now, a restless, discontented type, but you were invariably popular with your colleagues and only a little less so with your superiors-this last being because your superiors were sometimes wrong and you never were...

            "I was every bit as smart as they were," said O'Mara tiredly, "and proved it often. But I didn't look intelligent, I had mucker written all over me!"

            It was strange, O'Mara thought, but he felt almost disinterested in his own personal trouble now. He couldn't take his eyes off the angry blue patch on the infant's side. The color had deepened and also the center of the patch seemed to have swelled. It was as if the super-hard tegument had softened and the FROB's enormous internal pressure had produced a swelling. Increasing the gravity and pressure to the Hudlarian normal should, he hoped, halt that particular development-if it wasn't a symptom of something else entirely.

            O'Mara had thought of carrying his idea a step further and spraying the air around the patient with food compound. On Hudlar the natives' food was comprised of tiny organisms floating in their super-thick atmosphere, but then again the handbook expressly stated that food particles must be kept away from the affected areas of tegument, so that the extra gravity and pressure should be enough...

            Nevertheless," the Monitor was saying, "if a similar accident had happened on one of your previous jobs, your story would have been believed. Even if it had been your fault they would have rallied around to defend you from outsiders like myself. )

            "What caused you to change from a friendly, likeable type of personality to this.. .

            "I was bored," said O'Mara shortly.

            There had been no sound from the infant yet, but he had seen the characteristic movements of the FROB's appendages which foretold of an outburst shortly to come. And it came. For the next ten minutes speech was, of course, impossible.

            O'Mara heaved himself onto his side and rolled back onto his now raw and bleeding elbows. He knew what was wrong; the infant had missed its usual after-feed nursing. O'Mara humped his way slowly across to the two counterweight ropes of the gadget he had devised for petting the infant and prepared to remedy this omission. But the ends of the ropes hung four feet above the floor.

Lying propped by one elbow and straining to raise the dead weight of his other arm, O'Mara thought that the rope could just as easily have been four miles away. Sweat poured off his face and body with the intensity of the effort and slowly, trembling and wobbling so much that his gauntleted hand went past it first time, he reached up and grabbed hold. Still gripping it tightly he lowered himself gently back bringing the rope with him.

            The gadget operated on a system of counterweights, so that there was no extra pull needed on the controlling ropes. A heavy weight dropped neatly onto the infant's back, administering a reassuring pat. O'Mara rested for a few minutes, then struggled up to repeat the process with the other rope, the pull on which would also wind up the first weight ready for use again.

            After about the eighth pat he found that he couldn't see the end of the rope he was reaching for, though he managed to find it all the same. His head was being kept too high above the level of the rest of his body for too long a time and he was constantly on the point of blacking out. The diminished flow of blood to his brain was having other effects, too...

            ..... There, there," O'Mara heard himself saying in a definitely maudlin voice. "You're all right now, pappy will take care of you. There now, shush . .

            The funny thing about it was that he really did feel a responsibility and a sort of angry concern for the infant. He had saved it once only to let this happen! Maybe the three Gs which jammed him against the floor, making every breath a day's work and the smallest movement an operation which called for all the reserves of strength he possessed, was bringing back the memory of another kind of pressure-the slow, inexorable movement together of two large, inanimate and uncaring masses of metal.

            The accident.

            As fitter-in-charge of that particular shift O'Mara had just switched on the warning lights when he had seen the two adult Hudlarians chasing after their offspring on one of the faces being joined. He had called them through his translator, urging them to get to safety and leave him to chase the youngster clear-being much smaller than its parents the slowly closing faces would take longer to reach it, and during those extra few minutes O'Mara would have been able to herd it out of danger. But either their translators were switched off or they were reluctant to trust the safety of their child to a diminutive human being. Whatever the reason, they remained between the faces until it was too late. O'Mara had to watch helplessly as they were trapped and crushed by the joining structures.

            The sight of the young one, still unharmed because of its smaller girth, floundering about between the bodies of its late parents sent O'Mara into belated action. He was able to chase it out of danger before the sections came close enough to trap it, and had just barely made it himself. For a few heart-stopping seconds back there O'Mara had thought he would have to leave a leg behind.

This was no place for kids anyway, he told himself angrily as he looked at the quivering, twitching body with the patches of vivid, scabrous blue. People shouldn't be allowed to bring kids out here, even tough people like the Hudlarians.

            But Major Craythorne was speaking again.

            "...Judging by what I hear going on over there," said the Monitor acidly, "you're taking very good care of your charge. Keeping the youngster happy and healthy will definitely be a point in your favor. .

            Happy and healthy, thought O'Mara as he reached toward the rope yet again. Healthy...

            But there are other considerations," the quiet voice went on.

"Were you guilty of negligence in not switching on the warning lights until after the accident occurred, which is what you are alleged to have done? And your previous record notwithstanding, here you have been a surly, quarrelsome bully and your behavior toward Waring especially. . .

            The Monitor broke off, looked faintly disapproving, then went on, "A few minutes ago you said that you did all these things because you were bored. Explain that."

            "Wait a minute, Major," Caxton broke in, his face appearing suddenly behind Craythorne's on the screen. "He's stalling for some reason, I'm sure of it. All those interruptions, this gasping voice he's using and this shush-a-bye-baby stuff is just an act to show what a great little nursemaid he is. I think I'll go over and bring him back here to answer you face to face-"

            "That won't be necessary," said O'Mara quickly. "I'll answer any questions you want, right now.

            He had a horrible picture of Caxton's reaction if the other saw the infant in its present state; the sight of it made O'Mara feel queasy and he was used to it now. Caxton wouldn't stop to think, or wait for explanations, or ask himself if it was fair to place an e-t in charge of a human who was completely ignorant of its physiology or weaknesses. He would just react. Violently.

            And as for the Monitor...

            O'Mara thought that he might get out of the accident part, but if the kid died as well he hadn't a hope. The infant had had a mild though uncommon disease which should have responded to treatment days ago, and instead had become progressively worse, so it would die anyway if O'Mara's last desperate try at reproducing its home planet's conditions did not come off. What he needed now was time. According to the book, about four to six hours of it.

            Suddenly the futility of it all hit him. The infant's condition had not improved-it heaved and twitched and generally looked to be the most desperately ill and pitiable creature that had ever been born. O'Mara swore helplessly. What he was trying to do now should have been tried days ago, his baby was as good as dead, and continuing this treatment for another five or six hours would probably kill or cripple him for life. And it would serve him right!

VI

The infant's appendages curled in the way O'Mara knew meant that it was going to cry again, and grimly he began pushing himself onto his elbows for another patting session. That was the very least he could do. And even though he was convinced that going on was useless, the kid had to be given the chance. O'Mara had to have time to finish the treatment without interruptions, and to insure that he would have to answer this Monitor's questions in a full and satisfactory manner. If the kid started crying again he wouldn't be able to do that.

            For your kind cooperation," the Major was saying dryly. "First off, I want an explanation for your sudden change of personality."

            "I was bored," said O'Mara. "Hadn't enough to do. Maybe I'd become a bit of a sorehead, too. But the main reason for setting out to be a lousy character was that there was a job I could do here which could not be done by a nice guy. I've studied a lot and think of myself as a pretty good rule-of-thumb psychologist...

            Suddenly came disaster. O'Mara's supporting elbow slipped as he was reaching for the counterweight rope and he crashed back to the floor from a distance of two-and-a-half feet. At three Gs this was equivalent to a fall of seven feet. Luckily he was in a heavy duty suit with a padded helmet so he did not lose consciousness. But he did cry out, and instinctively held onto the rope as he fell.

            That was his mistake.

            One weight dropped, the other swung up too far. It hit the ceiling with a crash and loosened the bracket which supported the light metal girder which carried it. The whole structure began to sag, and slip, then was suddenly yanked floorward by four Gs onto the infant below. In his dazed state O'Mara could not guess at the amount of force expended on the infant-whether it was a harder than usual pat, the equivalent of a sharp smack on the bottom, or something very much more serious. The baby was very quiet afterward, which worried him.

            For the third time," shouted the Monitor, "what the blazes is going on in there?"

            O'Mara muttered something which was unintelligible even to himself. Then Caxton joined in.

"There's something fishy going on, and I bet it involves the kid! I'm going over to see- "No wait!" said O'Mara desperately. "Give me six hours... "I'll see you," said Caxton, "in ten minutes." "Caxton!" O'Mara shouted, "if you come through my airlock you'll

kill me! I'll have the inner seal jammed open and if you open the outer one you'll evacuate the place. Then the Major will lose his prisoner."

            There was a sudden silence, then:

            "What," asked the Monitor quietly, "do you want the six hours for?"

            O'Mara tried to shake his head to clear it, but now that it weighed three times heavier than normal he only hurt his neck. What did he want six hours for? Looking around him he began to wonder, because both the food sprayer and its connecting water tank had been wrecked by the fall of tackle from the ceiling. He could neither feed, wash, nor scarcely see his patient for fallen wreckage, so all he could do for six hours was watch and wait for a miracle.

            "I'm going over," said Caxton doggedly.

            "You're not," said the Major, still polite but with a no-nonsense tone. "I want to get to the bottom of this. You'll wait outside until I've spoken with O'Mara alone. Now O'Mara, what... is.. . happening?"

Flat on his back again O'Mara fought to gain enough breath to carry on an extended conversation. He had decided that the best thing to do would be to tell the Monitor the exact truth, and then appeal to him to back O'Mara up in the only way possible which might save the infant-by leaving him alone for six hours. But O'Mara was feeling very low as he talked, and his vision was so poor that he couldn't tell sometimes whether his eyelids were open or shut. He did see someone hand the Major a note, but Craythorne didn't read it until O'Mara had finished speaking.

            "You are in a mess," Craythorne said finally. He briefly looked sympathetic, then his tone hardened again. "And ordinarily I should be forced to do as you suggest and give you that six hours. After all, you have the book and so you know more than we do. But the situation has changed in the last few minutes. I've just had word that two Hudlarians have arrived, one of them a doctor. You had better step down, O'Mara. You tried, but now let some skilled help salvage what they can from the situation. For the kid's sake," he added.

It was three hours later. Caxton, Waring and O'Mara were facing the Major across the Monitor's desk. Craythorne had just come in.

            He said briskly, "I'm going to be busy for the next few days so we'll get this business settled quickly. First, the accident. O'Mara, your case depends entirely on Waring's corroboration for your story. Now there seems to be some pretty devious thinking here on your part. I've already heard Waring's evidence, but to satisfy my own curiosity I'd like to know what you think he said?"

            "He backed up my story," said O'Mara wearily. "He had no choice."

            He looked down at his hands, still thinking about the desperate sick infant he had left in his quarters. He told himself again that he wasn't responsible for what had happened, but deep inside he felt that if he had shown more flexibility of mind and had started the pressure treatment sooner the kid would have been all right now. But the result of the accident enquiry didn't seem to matter now, one way or the other, and neither did the Waring business.

            "Why do you think he had no choice?" prodded the Monitor sharply.

            Caxton had his mouth open, looking confused. Waring would not meet O'Mara's eyes and he was beginning to blush.

            "When I came here," O'Mara said dully, "I was looking out for a secondary job to fill my spare time, and hounding Waring was it. He is the reason for my being an obnoxious type, that was the only way I could go to work on him. But to understand that you have to go a bit further back. Because of that power pile accident," O'Mara went on, "all the men of his section were very much in Waring's debt-you've probably heard the details by now. Waring himself was a mess. Physically he was below par-had to get shots to keep his blood-count up, was just about strong enough to work his control console, and was fairly wallowing in self-pity. Psychologically he was a wreck. Despite all Pelling's assurances that the shots would only be necessary for a few more months he was convinced that he had pernicious anemia. He also believed that he had been made sterile, again despite everything the doctor told him, and this conviction made him act and talk in a way which would give any normal man the creeps-because that sort of thing is pathological and there wasn't anything like that wrong with him. When I saw how things were I started to ridicule him every chance I got. I hounded him unmercifully. So the way I see it he had no other choice but to support my story. Simple gratitude demanded it."

            "I begin to see the light," said the Major. "Go on."

            "The men around him were very much in his debt," O'Mara continued. "But instead of putting the brakes on, or giving him a good talking to, they smothered him with sympathy. They let him win all fights, card games or whatever, and generally treated him like a little tin god. I did none of these things. Whenever he lisped or stuttered or was awkward about anything," O'Mara went on, "whether it was due to one of his mental and self-inflicted disabilities or a physical one which he honestly couldn't help, I jumped on him hard with both feet. Maybe I was too hard sometimes, but remember that I was one man trying to undo the harm that was being done by fifty. Naturally he hated my guts, but he always knew exactly where he was with me. And I never pulled punches. On the very few occasions when he was able to get the better of me, he knew that he had won despite everything I could do to stop him-unlike his friends who let him beat them at everything and in so doing made his winning meaningless. That was exactly what he needed for what ailed him, somebody to treat him as an equal and made no allowances at all. So when this trouble came," O'Mara ended, "I was pretty sure he would begin to see what I'd been doing for him-consciously as well as subconsciously-and that simple gratitude plus the fact that basically he is a decent type would keep him from withholding the evidence which would clear me. Was I right?"

            "You were," said the Major. He paused to quell Caxton who had jumped to his feet, protesting, then continued, "Which brings us to the FROB infant.

            "Apparently your baby caught one of the mild but rare diseases which can only be treated successfully on the home planet," Craythorne went on. He smiled suddenly. "At least, that was what they thought until a few hours ago. Now our Hudlarian friends state that the proper treatment has already been initiated by you and that all they have to do is wait for a couple of days and the infant will be as good as new. But they're very annoyed with you, O'Mara," the Monitor continued. "They say that you've rigged special equipment for petting and soothing the kid and that you've done this much more often than is desirable. The baby has been overfed and spoiled shamelessly, they say, so much so that at the moment it prefers human beings to members of its own species-"

            Suddenly Caxton banged the desk. "You're not going to let him get away with this," he shouted, red-faced. "Waring doesn't know what he's saying sometimes..

            "Mr. Caxton," said the Monitor sharply, "All the evidence available proves that Mr. O'Mara is blameless, both at the time of the accident and while he was looking after the infant later. However, I am not quite finished with him here, so perhaps you two would be good enough to leave..

            Caxton stormed out, followed more slowly by Waring. At the door the tractor-beam man paused, addressed one printable and three unprintable words to O'Mara, grinned suddenly and left. The Major sighed.

            "O'Mara," he said sternly, "you're out of a job again, and while I don't as a rule give unasked for advice I would like to remind you of a few facts. In a few weeks time the staff and maintenance engineers for this hospital will be arriving and they will be comprised of practically every known species in the galaxy. My job is to settle them in and keep friction from developing between them so that eventually they will work together as a team. No text-book rules have been written to cover this sort of thing yet, but before they sent me here my superiors said that it would require a good rule-of-thumb psychologist with plenty of common sense who was not afraid to take calculated risks. I think it goes without saying that two such psychologists would be even better..."

            O'Mara was listening to him all right, but he was thinking of that grin he'd got from Waring. Both the infant and Waring were going to be all right now, he knew, and in his present happy state of mind he could refuse nothing to anybody. But apparently the Major had mistaken his abstraction for something else.

            "...Dammit I'm offering you a job! You fit here, can't you see that? This is a hospital, man, and you've cured our first patient...

CHAPTER 2

SECTOR GENERAL

Like a sprawling, misshapen Christmas tree the lights of Sector Twelve General Hospital blazed against the misty backdrop of the

stars. From its view-ports shone lights that were yellow and red-orange and soft, liquid green, and others which were a searing actinic blue. There was darkness in places also. Behind these areas of opaque metal plating lay sections wherein the lighting was so viciously incandescent that the eyes of approaching ships' pilots had to be protected from it, or compartments which were so dark and cold that not even the light which filtered in from the stars could be allowed to penetrate to their inhabitants.

            To the occupants of the Telfi ship which slid out of hyper-space to hang some twenty miles from this mighty structure, the garish display of visual radiation was too dim to be detected without the use of instruments. The Telfi were energy-eaters. Their ship's hull shone with a crawling blue glow of radioactivity and its interior was awash with a high level of hard radiation which was also in all respects normal. Only in the stern section of the tiny ship were the conditions not normal. Here the active core of a power pile lay scattered in small, sub critical and unshielded masses throughout the ship's Planetary Engines room, and here it was too hot even for the Telfi.

            The group-mind entity that was the Telfi spaceship Captain-and Crew-energized its short-range communicator and spoke in the staccato clicking and buzzing language used to converse with those benighted beings who were unable to merge into a Telfi gestalt.

            "This is a Telfi hundred-unit gestalt," it said slowly and distinctly.

"We have casualties and require assistance. Our Classification to one group is VTXM, repeat VTXM. .

            "Details, please, and degree of urgency," said a voice briskly as the Telfi was about to repeat the message. It was translated into the same language used by the Captain. The Telfi gave details quickly, then waited. Around it and through it lay the hundred specialized units that were both its mind and multiple body. Some of the units were blind, deaf and perhaps even dead cells that received or recorded no sensory impressions whatever, but there were others who radiated waves of such sheer, excruciating agony that the group-mind writhed and twisted silently in sympathy. Would that voice never reply, they wondered, and if it did, would it be able to help them...?

            "You must not approach the Hospital nearer than a distance of five miles," said the voice suddenly. "Otherwise there will be danger to unshielded traffic in the vicinity, or to beings within the establishment with low radiation tolerance."

            "We understand," said the Telfi.

            "Very well," said the voice. "You must also realize that your race is too hot for us to handle directly. Remote controlled mechanisms are already on the way to you, and it would ease the problem of evacuation if you arranged to have your casualties brought as closely as possible to the ship's largest entry port. If this cannot be done, do not worry-we have mechanisms capable of entering your vessel and removing them."

            The voice ended by saying that while they hoped to be able to help the patients, any sort of accurate prognosis was impossible at the present time.

            The Telfi gestalt thought that soon the agony that tortured its mind and wide-flung multiple body would be gone, but so also would nearly one quarter of that body...

With that feeling of happiness possible only with eight hours sleep behind, a comfortable breakfast within and an interesting job in front of one, Conway stepped out briskly for his wards. They were not really his wards, of course-if anything went seriously wrong in one of them the most he would be expected to do would be to scream for help. But considering the fact that he had been here only two months he did not mind that, or knowing that it would be a long time before he could be trusted to deal with cases requiring other than mechanical methods of treatment.

Complete knowledge of any alien physiology could be obtained within minutes by Educator tape, but the skill to use that knowledge-especially in surgery-came only with time. Conway was looking forward with conscious pride to spending his life acquiring that skill.

            At an intersection Conway saw an FGLJ he knew-a Tralthan intern who was humping his elephantine body along on six spongy feet. The stubby legs seemed even more rubbery than usual and the little OTSB who lived in symbiosis with it was practically comatose. Conway said brightly, "Good morning," and received a translated-and therefore necessarily emotionless-reply of "Drop dead." Conway grinned.

            There had been considerable activity in and about Reception last evening. Conway had not been called, but it looked as though the Tralthan had missed both his recreation and rest periods.

            A few yards beyond the Tralthan he met another who was walking slowly alongside a small DBDG like himself. Not entirely like himself, though-DBDG was the one-group classification which gave the grosser physical attributes, the number of arms, heads, legs, etc., and their placement. The fact that the being had seven-fingered hands, stood only four feet tall and looked like a very cuddly teddy bear-Conway had forgotten the being's system of origin, but remembered being told that it came from a world which had suffered a sudden bout of glaciation which had caused its highest life-form to develop intelligence and a thick red fur coat-would not have shown up unless the Classification were taken to two or three groups. The DBDG had his hands clasped behind his back and was staring with vacant intensity at the floor. His hulking companion showed similar concentration, but favored the ceiling because of the different position of his visual organs. Both wore their professional insignia on golden armbands, which meant that they were lordly Diagnosticians, no less. Conway refrained from saying good morning to them as he passed, or from making undue noise with his feet.

            Possibly they were deeply immersed in some medical problem, Conway thought, or equally likely, they had just had a tiff and were pointedly ignoring each other's existence. Diagnosticians were peculiar people. It wasn't that they were insane to begin with, but their job forced a form of insanity onto them.

At each corridor intersection annunciators had been pouring out an alien gabble which he had only half heard in passing, but when it switched suddenly to Terran English and Conway heard his own name being called, surprise halted him dead in his tracks.

            To Admittance Lock Twelve at once," the voice was repeating monotonously. "Classification VTXM-23. Dr. Conway, please go to Admittance Lock Twelve at once. A VTXM-23 . .

            Conway's first thought was that they could not possibly mean him. This looked as if he was being asked to deal with a case-a big one, too, because the "23" after the classification code referred to the number of patients to be treated. And that Classification, VTXM, was completely new to him. Conway knew what the letters stood for, of course, but he had never thought that they could exist in that combination. The nearest he could make of them was some form of telepathic species-the V prefixing the classification showed this as their most important attribute, and that mere physical equipment was secondary-who existed by the direct conversion of radiant energy, and usually as a closely cooperative group or gestalt. While he was still wondering if he was ready to cope with a case like this, his feet had turned and were taking him toward Lock Twelve.

            His patients were waiting for him at the lock, in a small metal box heaped around with lead bricks and already loaded onto a power stretcher carrier. The orderly told him briefly that the beings called themselves the Telfi, that preliminary diagnosis indicated the use of the Radiation Theater, which was being readied for him, and that owing to the portability of his patients he could save time by calling with them to the Educator room and leaving them outside while he took his Telfi physiology tape.

            Conway nodded thanks, hopped onto the carrier and set it moving, trying to give the impression that he did this sort of thing every day.

            In Conway's pleasurable but busy life with the high unusual establishment that was Sector General there was only one sour note, and he met it again when he entered the Educator room: there was a Monitor in charge. Conway disliked Monitors. The presence of one affected him rather like the close proximity of a carrier of a contagious disease. And while Conway was proud of the fact that as a sane, civilized and ethical being he could never bring himself actually to hate anybody or anything, he disliked Monitors intensely. He knew, of course, that there were people who went off the beam sometimes, and that there had to be somebody who could take the action necessary to preserve the peace. But with his abhorrence of violence in any form, Conway could not like the men who took that action.

            And what were Monitors doing in a hospital anyway?

            The figure in neat, dark green coveralls seated before the Educator control console turned quickly at his entrance and Conway got another shock. As well as a Major's insignia on his shoulder, the Monitor wore the Staff and Serpents emblem of a Doctor!

            "My name is O'Mara," said the Major in a pleasant voice. "I'm the Chief Psychologist of this madhouse. You, I take it, are Dr. Conway." He smiled.

            Conway made himself smile in return, knowing that it looked forced, and that the other knew it also.

            "You want the Telfi tape," O'Mara said, a trifle less warmly. "Well, Doctor, you've picked a real weirdie this time. Be sure you get it erased as soon as possible after the job is done-believe me, this isn't one you'll want to keep. Thumb-print this and sit over there."

While the Educator head-band and electrodes were being fitted, Conway tried to keep his face neutral, and keep from flinching away from the Major's hard, capable hands. O'Mara's hair was a dull, metallic gray in color, cut short, and his eyes also had the piercing qualities of metal. Those eyes had observed his reactions, Conway knew, and now an equally sharp mind was forming conclusions regarding them.

            "Well, that's it," said O'Mara when finally it was all over. "But before you go, Doctor, I think you and I should have a little chat; a re-orientation talk, let's call it. Not now, though, you've got a case-but very soon.

            Conway felt the eyes boring into his back as he left.

            He should have been trying to make his mind a blank as he had been told to do, so the knowledge newly impressed there could bed down comfortably, but all Conway could think about was the fact that a Monitor was a high member of the hospital's permanent staff-and a doctor, to boot. How could the two professions mix? Conway thought of the armband he wore which bore the Tralthan Black and Red Circle, the Flaming Sun of the chlorine-breathing Illensa and intertwining Serpents and Staff of Earth-all the honored symbols of Medicine of the three chief races of the Galactic Union. And here was this Dr. O'Mara whose collar said he was a healer and whose shoulder tabs said he was something else entirely.

            One thing was now sure: Conway would never feel really content here again until he discovered why the Chief Psychologist of the hospital was a Monitor.

II

This was Conway's first experience of an alien physiology tape, and he noted with interest the mental double vision which had increasingly begun to affect his mind-a sure sign that the tape had "taken." By the time he had reached the Radiation Theater, he felt himself to be two people-an Earth-human called Conway and the great, five-hundred unit Telfi gestalt which had been formed to prepare a mental record of all that was known regarding the physiology of that race. That was the only disadvantage-if it was a disadvantage-of the Educator Tape system. Not only was knowledge impressed on the mind undergoing "tuition," the personalities of the entities who had possessed that knowledge was transferred as well. Small wonder then that the Diagnosticians, who held in their mind sometimes as many as ten different tapes, were a little bit queer.

            A Diagnostician had the most important job in the hospital, Conway thought, as he donned radiation armor and readied his patients for the preliminary examination. He had sometimes thought in his more self-confident moments of becoming one himself. Their chief purpose was to perform original work in xenological medicine and surgery, using their tape-stuffed brains as a jumping-off ground, and to rally round, when a case arrived for which there was no physiology tape available, to diagnose and prescribe treatment.

            Not for them were the simple, mundane injuries and diseases. For a Diagnostician to look at a patient that patient had to be unique, hopeless and at least three-quarters dead. When one did take charge of a case though, the patient was as good as cured-they achieved miracles with monotonous regularity.

            With the lower orders of doctor there was always the temptation, Conway knew, to keep the contents of a tape rather than have it erased, in the hope of making some original discovery that would bring them fame. In practical, level-headed men like himself, however, it remained just that, a temptation.

Conway did not see his tiny patients even though he examined them individually. He couldn't unless he went to a lot of unnecessary trouble with shielding and mirrors to do so. But he knew what they were like, both inside and out, because the tape had practically made him one of them. That knowledge, taken together with the results of his examinations and the case history supplied him, told Conway everything he wanted to know to begin treatment.

            His patients had been part of a Telfi gestalt engaged in operating an interstellar cruiser when there had been an accident in one of the power piles. The small, beetle-like and-individually-very stupid beings were radiation eaters, but that flare-up had been too much even for them. Their trouble could be classed as an extremely severe case of over-eating coupled with prolonged over-stimulation of their sensory equipment, especially of the pain centers. If he simply kept them in a shielded container and starved them of radiation-a course of treatment impossible on their highly radioactive ship-about seventy percent of them could be expected to cure themselves in a few hours. They would be the lucky ones, and Conway could even tell which of them came into that category. Those remaining would be a tragedy because if they did not suffer actual physical death their fate would be very much worse: they would lose the ability to join minds, and that in a Telfi was tantamount to being a hopeless cripple.

            Only someone who shared the mind, personality and instincts of a Telfi, could appreciate the tragedy it was.

            It was a great pity, especially as the case history showed that it was these individuals who had forced themselves to adapt and remain operative during that sudden flare of radiation for the few seconds necessary to scatter the pile and so save their ship from complete destruction. Now their metabolism had found a precarious balance based on three times the Telfi normal energy intake. If this intake of energy was interrupted for any lengthy period of time, say a few more hours, the communications centers of their brains would suffer. They would be left like so many dismembered hands and feet, with just enough intelligence to know that they had been cut off. On the other hand, if their upped energy-intake was continued they would literally burn themselves out within a week.

            But there was a line of treatment indicated for these unfortunates, the only one, in fact. As Conway prepared his servos for the work ahead he felt that it was a highly unsatisfactory line-a matter of calculated risks, of cold, medical statistics which nothing he could do would influence. He felt himself to be little more than a mechanic.

            Working quickly, he ascertained that sixteen of his patients were suffering from the Telfi equivalent of acute indigestion. These he separated into shielded, absorbent bottles so that re-radiation from their still "hot" bodies would not slow the "starving" process. The bottles he placed in a small pile furnace set to radiate at Telfi normal, with a detector in each which would cause the shielding to fall away from them as soon as their excess radioactivity had gone. The remaining seven would require special treatment. He had placed them in another pile, and was setting the controls to simulate as closely as possible the conditions which had obtained during the accident in their ship, when the nearby communicator beeped at him. Conway finished what he was doing, checked it, then said "Yes?"

            "This is Enquiries, Dr. Conway. We've had a signal from the Telfi ship asking about their casualties. Have you any news for them yet?"

            Conway knew that his news was not too bad, considering, but he wished intensely that it could be better. The breaking up or modification of a Telfi gestalt once formed could only be likened to a death trauma to the entities concerned, and with the empathy which came as a result of absorbing their physiology tape Conway felt for them. He said carefully, "Sixteen of them will be good as new in roughly four hours time. The other seven will be fifty percent fatalities, I'm afraid, but we won't know which for another few days. I have them baking in a pile at over double their normal radiation requirements, and this will gradually be reduced to normal. Half of them should live through it. Do you understand?"

            "Got you." After a few minutes the voice returned. It said, "The Telfi say that is very good, and thank you. Out."

            He should have been pleased at dealing successfully with his first case, but Conway somehow felt let down. Now that it was over his mind felt strangely confused. He kept thinking that fifty percent of seven was three and a half, and what would they do with the odd half Telfi? He hoped that four would pull through instead of three, and that they would not be mental cripples. He thought that it must be nice to be a Telfi, to soak up radiation all the time, and the rich and varied impressions of a corporate body numbering perhaps hundreds of individuals. It made his body feel somehow cold and alone. It was an effort to drag himself away from the warmth of the Radiation Theater.

            Outside he mounted the carrier and left it back at the admittance lock. The right thing to do now was to report to the Educator room and have the Telfi tape erased-he had been ordered to do that, in fact. But he did not want to go; the thought of O'Mara made him intensely uncomfortable, even a little afraid. Conway knew that all Monitors made him feel uncomfortable, but this was different. It was O'Mara's attitude, and that little chat he had mentioned. Conway had felt small, as if the Monitor was his superior in some fashion, and for the life of him Conway could not understand how he could feel small before a lousy Monitor!

            The intensity of his feelings shocked him; as a civilized, well integrated being he should be incapable of thinking such thoughts. His emotions had verged upon actual hatred. Frightened of himself this time, Conway brought his mind under a semblance of control. He decided to side-step the question and not report to the Educator room until after he had done the rounds of his wards. It was a legitimate excuse if O'Mara should query the delay, and the Chief Psychologist might leave or be called away in the meantime. Conway hoped so.

            His first call was on an AUGL from Chalderescol II, the sole occupant of the ward reserved for that species. Conway climbed into the appropriate protective garment-a simple diving suit in this instance-and went through the lock into the tank of green, tepid water which reproduced the being's living conditions. He collected the instruments from the locker inside, then loudly signaled his presence. If the Chalder was really asleep down there and he startled it the results could be serious. One accidental flick of that tail and the ward would contain two patients instead of one.

            The Chalder was heavily plated and scaled, and slightly resembled a forty-foot-long crocodile except that instead of legs there was an apparently haphazard arrangement of stubby fins and a fringe of ribbon-like tentacles encircling its middle. It drifted limply near the bottom of the huge tank, the only sign of life being the periodic fogging of the water around its gills. Conway gave it a perfunctory examination-he was way behind time due to the Telfi job-and asked the usual question. The answer came through the water in some unimaginable form to Conway's translator attachment and into his phones as slow, toneless speech.

            "I am grievously ill," said the Chalder, "I suffer."

            You lie, thought Conway silently, in all six rows of your teeth! Dr. Lister, Sector General's Director and probably the foremost Diagnostician of the day, had practically taken this Chalder apart. His diagnosis had been hypochondria and the condition incurable. He had further stated that the signs of strain in certain sections of the patient's body plating, and its discomfort in those areas, were due simply to the big so-and-so's laziness and gluttony. Anybody knew that an exoskeletal life-form could not put on weight except from inside! Diagnosticians were not noted for their bedside manners.

            The Chalder became really ill only when it was in danger of being sent home, so the Hospital had acquired a permanent patient. But it did not mind. Visiting as well as Staff medics and psychologists had given it a going over, and continued to do so; also all the interns and nurses of all the multitudinous races represented on the hospital's staff. Regularly and at short intervals it was probed, pried into and unmercifully pounded by trainees of varying degrees of gentleness, and it loved every minute of

it. The hospital was happy with the arrangement and so was the Chalder. Nobody mentioned going home to it anymore.

III

Conway paused for a moment as he swam to the top of the great tank; he felt peculiar. His next call was supposed to be on two methane breathing life-forms in the lower temperature ward of his section, and he felt strongly loath to go. Despite the warmth of the water and the heat of his exertions while swimming around his massive patient he felt cold, and he would have given anything to have a bunch of students come flapping into the tank just for the company. Usually Conway did not like company, especially that of trainees, but now he felt cut-off, alone and friendless. The feelings were so strong they frightened him. A talk with a psychologist was definitely indicated, he thought, though not necessarily with O'Mara.

            The construction of the hospital in this section resembled a heap of spaghetti-straight, bent and indescribably curved pieces of spaghetti. Each corridor containing an Earth-type atmosphere, for instance, was paralleled above, below and on each side-as well as being crossed above and below at frequent intervals-by others having different and mutually deadly variations of atmosphere, pressure and temperature. This was to facilitate the visiting of any given patient-species by any other species of doctor in the shortest possible time in case of emergency, because traveling the length of the hospital in a suit designed to protect a doctor against his patient's environment on arrival was both uncomfortable and slow. It had been found more efficient to change into the necessary protective suit outside the wards being visited, as Conway had done.

            Remembering the geography of this section Conway knew that there was a shortcut he could use to get to his frigid-blooded patients-along the water filled corridor which led to the Chalder operating theater, through the lock into the chlorine atmosphere of the Illensan PVSJs and up two levels to the methane ward. This way would mean his staying in warm water for a little longer, and he was definitely feeling cold.

            A convalescent PVSJ rustled past him on spiny, membranous appendages in the chlorine section and Conway found himself wanting desperately to talk to it, about anything. He had to force himself to go on.

            The protective suit worn by DBDGs like himself while visiting the methane ward was in reality a small mobile tank. It was fitted with heaters inside to keep its occupant alive and refrigerators outside so that the leakage of heat would not immediately shrivel the patients to whom the slightest glow of radiant heat-or even light-was lethal. Conway had no idea how the scanner he used in the examinations worked-only those gadget-mad beings with the Engineering armbands knew that-except that it wasn't by infrared. That also was too hot for them.

            As he worked Conway turned the heaters up until the sweat rolled off him and still he felt cold. He was suddenly afraid. Suppose he had caught something? When he was outside in air again he looked at the tiny tell-tale that was surgically embedded on the inner surface of his forearm. His pulse, respiration and endocrine balance were normal except for the minor irregularities caused by his worrying, and there was nothing foreign in his bloodstream. What was wrong with him?

Conway finished his rounds as quickly as possible. He felt confused again. If his mind was playing tricks on him he was going to take the necessary steps to rectify the matter. It must be something to do with the Telfi tape he had absorbed. O'Mara had said something about it, though he could not remember exactly what at the moment. But he would go to the Educator room right away, O'Mara or no O'Mara.

            Two Monitors passed him while he was on the way, both armed. Conway knew that he should feel his usual hostility toward them, also shock that they were armed inside a hospital, and he did, but he also wanted to slap their backs or even hug them: he desperately wanted to have people around, talking and exchanging ideas and impressions so that he would not feel so terribly alone. As they drew level with him Conway managed to get out a shaky "Hello." It was the first time he had spoken to a Monitor in his life.

            One of the Monitors smiled slightly, the other nodded. Both gave him odd looks over their shoulders as they passed because his teeth were chattering so much.

            His intention of going to the Educator room had been clearly formed, but now it did not seem to be such a good idea. It was cold and dark there with all those machines and shaded lighting, and the only company might be O'Mara. Conway wanted to lose himself in a crowd, and the bigger the better. He thought of the nearby dining hall and turned toward it. Then at an intersection he saw a sign reading "Diet Kitchen, Wards 52 to 68, Species DBDG, DBLF & FGLI." That made him remember how terribly cold he felt...

            The Dietitians were too busy to notice him. Conway picked an oven which was fairly glowing with heat and lay down against it, letting the germ-killing ultraviolet which flooded the place bathe him and ignoring the charred smell given off by his light clothing. He felt warmer now, a little warmer, but the awful sense of being utterly and completely alone would not leave him. He was cut off, unloved and unwanted. He wished that he had never been born.

            When a Monitor-one of the two he had recently passed whose curiosity had been aroused by Conway's strange behavior-wearing a hastily borrowed heat suit belonging to one of the Cook-Dietitians got to him a few minutes later, the big, slow tears were running down Conway's cheeks...

"You," said a well-remembered voice, "are a very lucky and very stupid young man.

            Conway opened his eyes to find that he was on the Erasure couch and that O'Mara and another Monitor were looking down at him. His back felt as though it had been cooked medium rare and his whole body stung as if with a bad dose of sunburn. O'Mara was glaring furiously at him, he spoke again.

            "Lucky not to be seriously burned and blinded, and stupid because you forgot to inform me on one very important point, namely that this was your first experience with the Educator. .

            O'Mara's tone became faintly self-accusatory at this point, but only faintly. He went onto say that had he been thus informed he would have given Conway a hypno-treatment which would have enabled the doctor to differentiate between his own needs and those of the Telfi sharing his mind. He only realized that Conway was a first-timer when he filed the thumb-printed slip, and dammit how was he to know who was new and who wasn't in a place this size! And anyway, if Conway had thought more of his job and less of the fact that a Monitor was giving him the tape, this would never have happened.

            Conway, O'Mara continued bitingly, appeared to be a self-righteous bigot who made no pretense at hiding his feelings of defilement at the touch of an uncivilized brute of a Monitor. How a person intelligent enough to gain appointment to this hospital could also hold those sort of feelings was beyond O'Mara's understanding.

            Conway felt his face burning. It had been stupid of him to forget to tell the psychologist that he was a first-timer. O'Mara could easily bring charges of personal negligence against him-a charge almost as serious as carelessness with a patient in a multi-environment hospital-and have Conway kicked out. But that possibility did not weigh too heavily with him at the moment, terrible though it was. What got him was the fact that he was being told off by a Monitor, and before another Monitor!

            The man who must have carried him here was gazing down at him, a look of half-humorous concern in his steady brown eyes. Conway found that harder to take even than O'Mara's abusiveness. How dare a Monitor feel sorry for him!

            ... And if you're still wondering what happened," O'Mara was saying in withering tones, "you allowed-through inexperience, I admit- the Telfi personality contained in the tape to temporarily overcome your own. Its need for hard radiation, intense heat and light and above all the mental fusion necessary to a group-mind entity, became your needs- transferred into their nearest human equivalents, of course. For a while you were experiencing life as a single Telfi being, and an individual Telfi- cut off from all mental contact with the others of its group-is an unhappy beastie indeed."

            O'Mara had cooled somewhat as his explanation proceeded. His voice was almost impersonal as he went on, "You're suffering from little more than a bad case of sunburn. Your back will be tender for a while and later it will itch. Serves you right. Now go away. I don't want to see you again until hour nine the day after tomorrow. Keep that hour free. That's an order-we have to have a little talk, remember?"

Outside in the corridor Conway had a feeling of complete deflation coupled with an anger that threatened to burst out of all control-an intensely frustrating combination. In all his twenty-three years of life he

could not remember being subjected to such extreme mental discomfort. f He had been made to feel like a small boy-a bad, maladjusted small

boy. Conway had always been a very good, well-mannered boy. It hurt.

            He had not noticed that his rescuer was still beside him until the other spoke.

            "Don't go worrying yourself about the Major," the Monitor said sympathetically. "He's really a nice man, and when you see him again you'll find out for yourself. At the moment he's tired and a bit touchy. You see, there are three companies just arrived and more coming. But they won't be much use to us in their present state-they're in a bad way with combat fatigue, most of 'em. Major O'Mara and his staff have to give them some psychological first aid before-"

            "Combat fatigue," said Conway in the most insulting tone of which he was capable. He was heartily sick of people he considered his intellectual and moral inferiors either ranting at him or sympathizing with him. "I suppose," he added, "that means they've grown tired of killing people?"

            He saw the Monitor's young-old face stiffen and something that was both hurt and anger burn in his eyes. He stopped. He opened his mouth for an O'Mara-type blast of invective, then thought better of it. He said quietly, "For someone who has been here for two months you have, to put it mildly, a very unrealistic attitude toward the Monitor Corps. I can't understand that. Have you been too busy to talk to people or something?"

            "No," replied Conway coldly, "but where I come from we do not discuss persons of your type, we prefer pleasanter topics."

            "I hope," said the Monitor, "that all your friends-if you have friends, that is-indulge in backslapping." He turned and marched off.

            Conway winced in spite of himself at the thought of anything heavier than a feather hitting his scorched and tender back. But he was thinking of the other's earlier words, too. So his attitude toward Monitors was unrealistic? Did they want him, then, to condone violence and murder and befriend those who were responsible for it? And he had also mentioned the arrival of several companies of Monitors. Why? What for? Anxiety began to eat at the edges of his hitherto solid block of self-confidence. There was something here that he was missing, something important.

            When he had first arrived at Sector General the being who had given

Conway his original instructions and assignments had added a little pep talk. It had said that Dr. Conway had passed a great many tests to come here and that they welcomed him and hoped he would be happy enough in his work to stay. The period of trial was now over, and henceforth nobody would be trying to catch him out, but if for any reason-friction with his own or any other species, or the appearance of some xenological psychosis-he became so distressed that he could no longer stay, then with great reluctance he would be allowed to leave.

            He had also been advised to meet as many different entities as possible and try to gain mutual understanding, if not their friendship. Finally he had been told that if he should get into trouble through ignorance or any other reason, he should contact either of two Earth-human beings who were called O'Mara and Bryson, depending on the nature of his trouble, though a qualified being of any species would, of course, help him on request.

            Immediately afterward he had met the Surgeon-in-Charge of the wards to which he had been posted, a very able Earth-human called Mannon. Dr. Mannon was not yet a Diagnostician, though he was trying hard, and was therefore still quite human for long periods during the day. He was the proud possessor of a small dog which stuck so close to him that visiting extra-terrestrials were inclined to assume a symbolic relationship. Conway liked Dr. Mannon a lot, but now he was beginning to realize that his superior was the only being of his own species toward whom he had any feeling of friendship.

            That was a bit strange, surely. It made Conway begin to wonder about himself.

            After that reassuring pep-talk Conway had thought he was all set- especially when he found how easy it was to make friends with the e-t members of the Staff. He had not warmed to his human colleagues- with the one exception-because of their tendency to be flippant or cynical regarding the very important and worthwhile work he, and they, were doing. But the idea of friction developing was laughable.

            That was before today, though, when O'Mara had made him feel small and stupid, accused him of bigotry and intolerance, and generally cut his ego to pieces. This, quite definitely, was friction developing, and if such treatment at the hands of Monitors continued Conway knew that he would be driven to leave. He was a civilized and ethical human being-why were the Monitors in a position to tell him off? Conway just could not understand it at all. Two things he did know, however; he wanted to remain at the hospital, and to do that he needed help.

IV

The name "Bryson" popped into his mind suddenly, one of the names he had been given should he get into trouble. O'Mara, the other name, was out, but this Bryson now...

            Conway had never met anyone with that name, but by asking a passing Tralthan he received directions for finding him. He got only as far as the door, which bore the legend, "Captain Bryson, Monitor Corps, Chaplain," then he turned angrily away. Another Monitor! There was just one person left who might help him: Dr. Mannon. He should have tried him first.

            But his superior, when Conway ran him down, was sealed in the LSVO theater where he was assisting a Tralthan Surgeon-Diagnostician in a very tricky piece of work. He went up to the observation gallery to wait until Mannon had finished.

            The LSVO came from a planet of dense atmosphere and negligible gravity. It was a winged life-form of extreme fragility, which necessitated the theater being at almost zero gravity and the surgeons strapped to their position around the table. The little OTSB who lived in symbiosis with the elephantine Tralthan was not strapped down, but held securely above the operative field by one of its host's secondary tentacles-the OTSB life-form, Conway knew, could not lose physical contact with its host for more than a few minutes without suffering severe mental damage. Interested despite his own troubles, he began to concentrate on what they were doing.

            A section of the patient's digestive tract had been bared, revealing a spongy, bluish growth adhering to it. Without the LSVO physiology tape Conway could not tell whether the patient's condition was serious or not, but the operation was certainly a technically difficult one. He could tell by the way Mannon hunched forward over it and by the tightly-coiled tentacles of the Tralthan not then in use. As was normal, the little OTSB with its cluster of wire-thin, eye- and sucker-tipped tentacles was doing the fine, exploratory work-sending infinitely detailed visual information of the field to its giant host, and receiving back instructions based on that data. The Tralthan and Dr. Mannon attended to the relatively crude work of clamping, tying-off and swabbing out.

            Dr. Mannon had little to do but watch as the super-sensitive tentacles of the Tralthan's parasite were guided in their work by the host, but Conway knew that the other was proud of the chance to do even that. The Tralthan combination were the greatest surgeons the Galaxy had ever known. All surgeons would have been Tralthans had not their bulk and operating procedure made it impossible to treat certain forms of life.

Conway was waiting when they came out of the theater. One of the Tralthan's tentacles flicked out and tapped Dr. Mannon sharply on the head-a gesture which was a high compliment-and immediately a small bundle of fur and teeth streaked from behind a locker toward the great being who was apparently attacking its master. Conway had seen this game played out many times and it still seemed wildly ludicrous to him. As Mannon's dog barked furiously at the creature towering above both itself and its master, challenging it to a duel to the death, the Tralthan shrank back in mock terror and cried, "Save me from this fearsome beast!" The dog, still barking furiously, circled it, snapping at the leathery tegument protecting the Tralthan's six, blocky legs. The Tralthan retreated precipitously, the while calling loudly for aid and being very careful that its tiny attacker was not splattered under one of its elephantine feet. And so the sounds of battle receded down the corridor.

            When the noise had diminished sufficiently for him to be heard, Conway said, "Doctor, I wonder if you could help me. I need advice, or at least information. But it's a rather delicate matter.

            Conway saw Dr. Mannon's eyebrows go up and a smile quirk the corners of his mouth. He said, "I'd be glad to help you, of course, but I'm afraid any advice I could give you at the moment would be pretty poor stuff." He made a disgusted face and flapped his arms up and down. "I've still got an LSVO tape working on me. You know how it is-half of me thinks I'm a bird and the other half is a little confused about it. But what sort of advice do you need?" he went on, his head perking to one side in an oddly bird-like manner. "If it's that peculiar form of madness called young love, or any other psychological disturbance, I'd suggest you see O'Mara."

            Conway shook his head quickly; anybody but O'Mara. He said, "No. It's more of a philosophical nature, a matter of ethics, maybe..

            "Is that all!" Mannon burst out. He was about to say something more when his face took on a fixed, listening expression. With a sudden jerk of his thumb he indicated a nearby wall annunciator. He said quietly, "The solution to your weighty problems will have to wait-you're wanted."

            ..... Dr. Conway," the annunciator was saying briskly, "Go to room 87 and administer pep-shots...

            "But 87 isn't even in our section!" Conway protested. "What's going on here...

            Dr. Mannon had become suddenly grim. "I think I know," he said, "and I advise you to keep a few of those shots for yourself because you are going to need them." He turned abruptly and hurried off, muttering something about getting a fast erasure before they started screaming for him, too.

Room 87 was the Casualty Section's staff recreation room, and when Conway arrived its tables, chairs and even parts of its floor were asprawl with green-clad Monitors, some of whom had not the energy to lift their heads when he came in. One figure pushed itself out of a chair with extreme difficulty and weaved toward him. It was another Monitor with a Major's insignia on his shoulders and the Staff and Serpents on his collar. He said, "Maximum dosage. Start with me," and began shrugging out of his tunic.

            Conway looked around the room. There must have been nearly a hundred of them, all in stages of advanced exhaustion and their faces showing that tell-tale gray coloration. He still did not feel well disposed toward Monitors, but these were, after a fashion, patients, and his duty was clear.

            "As a doctor I advise strongly against this," Conway said gravely. "It's obvious that you've had pep-shots already-far too many of them. What you need is sleep-"

            "Sleep?" said a voice somewhere. "What's that?"

            "Quiet, Teirnan," said the Major tiredly, then to Conway; "And as a doctor I understand the risks. I suggest we waste no more time."

            Rapidly and expertly Conway set about administering the shots. Dull eyed, bone-weary men lined up before him and five minutes later left the room with a spring in their step and their eyes too bright with artificial vitality. He had just finished when he heard his name over the annunciator again, ordering him to Lock Six to await instructions there. Lock Six, Conway knew, was one of the subsidiary entrances to the Casualty section.

            While he was hurrying in that direction Conway realized suddenly that he was tired and hungry, but he did not get the chance to think about it for long. The annunciators were giving out a call for all junior interns to report to Casualty, and directions for adjacent wards to be evacuated where possible to other accommodation. An alien gabble interspersed these messages as other species received similar instructions.

            Obviously the Casualty section was being extended. But why, and where were all the casualties coming from? Conway's mind was a confused and rather tired question mark.

V

At Lock Six a Tralthan Diagnostician was deep in conversation with two Monitors. Conway felt a sense of outrage at the sight of the highest and the lowest being so chummy together, then reflected with a touch of bitterness that nothing about this place could surprise him anymore. There were two more Monitors beside the Lock's direct vision panel.

            "Hello, Doctor," one of them said pleasantly. He nodded toward the view port. "They're unloading at Locks Eight, Nine and Eleven. We'll be getting our quota any minute now.

            The big transparent panel framed an awesome sight: Conway had never seen so many ships together at one time. More than thirty sleek, silver needles, ranging from ten-man pleasure yachts to the gargantuan transports of the Monitor Corps wove a slowly, complicated pattern in and around each other as they waited permission to lock-on and unload.

            "Tricky work, that," the Monitor observed.

            Conway agreed. The repulsion fields which protected ships against collision with the various forms of cosmic detritus required plenty of space. Meteorite screens had to be set up a minimum of five miles away from the ship they protected if heavenly bodies large and small were to be successfully deflected from them-further away if it was a bigger ship. But the ships outside were a mere matter of hundreds of yards apart, and had no collision protection except the skill of their pilots. The pilots would be having a trying time at the moment.

            But Conway had little time for sight-seeing before three Earth-human interns arrived. They were followed quickly by two of the red-furred DBDGs and a caterpillar-like DBLF, all wearing medical insignia. There came a heavy scrape of metal against metal, the lock tell-tales turned from red to green indicating that a ship was properly connected up, and the patients began to stream through.

            Carried in stretchers by Monitors they were of two kinds only:

DBDGs of the Earth-human type and DBLF caterpillars. Conway's job, and that of the other doctors present, was to examine them and route them through to the proper department of Casualty for treatment. He got down to work, assisted by a Monitor who possessed all the attributes of a trained nurse except the insignia. He said his name was Williamson.

            The sight of the first case gave Conway a shock-not because it was serious, but because of the nature of the injuries. The third made him stop so that his Monitor assistant looked at him questioningly.

            "What sort of accident was this?" Conway burst out. "Multiple punctures, but the edge of the wounds cauterized. Lacerated punctures, as if from fragments thrown out by an explosion. How...

            The Monitor said, "We kept it quiet, of course, but I thought here at least the rumor would have got to everybody." His lips tightened and the look that identified all Monitors to Conway deepened in his eyes. "They decided to have a war," he went on, nodding at the Earth-human and DBLF patients around them. "I'm afraid it got a little out of control before we were able to clamp down."

            Conway thought sickly, A war... ! Human beings from Earth, or an Earth-seeded planet, trying to kill members of the species that had so much in common with them. He had heard that there were such things occasionally, but had never really believed any intelligent species could go insane on such a large scale. So many casualties...

            He was not so bound up in his thoughts of loathing and disgust at this frightful business that he missed noticing a very strange fact-that the Monitor's expression mirrored his own! If Williamson thought that way about war, too, maybe it was time he revised his thinking about the Monitor Corps in general.

            A sudden commotion a few yards to his right drew Conway's attention. An Earth-human patient was objecting strenuously to the DBLF intern trying to examine him, and the language he was using was not nice. The DBLF was registering hurt bewilderment, though possibly the human had not sufficient knowledge of its physiognomy to know that, and trying to reassure the patient in flat, Translated tones.

            It was Williamson who settled the business. He swung around on the loudly protesting patient, bent forward until their faces were only inches apart, and spoke in a low, almost conversational tone which nevertheless sent shivers along Conway's spine.

            Listen, friend," he said. "You say you object to one of the stinking crawlers that tried to kill you trying to patch you up, right? Well, get this into your head, and keep it there-this particular crawler is a doctor here. Also, in this establishment there are no wars. You all belong to the same army and the uniform is a nightshirt, so lay still, shut up and behave. Otherwise I'll clip you one.

            Conway returned to work underlining his mental note about revising his thinking regarding Monitors. As the torn, battered and burnt life forms flowed past under his hands his mind seemed strangely detached from it all. He kept surprising Williamson with expressions on his face that seemed to give the lie to some of the things he had been told about Monitors. This tireless, quiet man with the rock-steady hands-was he a killer, a sadist of low intelligence and nonexistent morals? It was hard to believe. As he watched the Monitor covertly between patients, Conway gradually came to a decision. It was a very difficult decision. If he wasn't careful he would very likely get clipped.

            O'Mara had been impossible, so had Bryson and Mannon for various reasons, but Williamson now...

            "Ah... er, Williamson," Conway began hesitantly, then finished with a rush, "have you ever killed anybody?"

            The Monitor straightened suddenly, his lips a thin, bloodless line. He said tonelessly, "You should know better than to ask a Monitor that question, Doctor. Or should you?" He hesitated, his curiosity keeping check on the anger growing in him because of the tangle of emotion which must have been mirrored on Conway's face, then said heavily, "What's eating you, Doc?"

            Conway wished fervently that he had never asked the question, but it was too late to back out now. Stammering at first, he began to tell of his ideals of service and of his alarm and confusion on discovering that Sector General-an establishment which he had thought embodied all his high ideals-employed a Monitor as its Chief Psychologist, and probably other members of the Corps in positions of responsibility. Conway knew now that the Corps was not all bad, that they had rushed units of their Medical Division here to aid them during the present emergency. But even so, Monitors...!

            "I'll give you another shock," Williamson said dryly, "by telling you something that is so widely known that nobody thinks to mention it. Dr. Lister, the Director, also belongs to the Monitor Corps.

            "He doesn't wear uniform, of course," the Monitor added quickly, "because Diagnosticians grow forgetful and are careless about small things. The Corps frowns on untidiness, even in a Lieutenant-General."

            Lister, a Monitor! "But, why?" Conway burst out in spite of himself. "Everybody knows what you are. How did you gain power here in the first place . . .

            "Everybody does not know, obviously," Williamson cut in, "because you don't, for one.

VI

The Monitor was no longer angry, Conway saw as they finished with their current patient and moved onto the next. Instead there was an expression on the other's face oddly reminiscent of a parent about to lecture an offspring on some of the unpleasant facts of life.

            "Basically," said Williamson as he gently peeled back a field dressing of a wounded DBLF, "your trouble is that you, and your whole social group, are a protected species."

            Conway said, "What?"

            "A protected species," he repeated. "Shielded from the crudities of present-day life. From your social strata-on all the worlds of the Union, not only on Earth-come practically all the great artists, musicians and professional men. Most of you live out your lives in ignorance of the fact that you are protected, that you are insulated from childhood against the grosser realities of our interstellar so-called civilization, and that your ideas of pacifism and ethical behavior are a luxury which a great many of us simply cannot afford. You are allowed this luxury in the hope that from it may come a philosophy which may one day make every being in the Galaxy truly civilized, truly good."

            "I didn't know," Conway stammered. "And.., and you make us- me, I mean-look so useless..."

            "Of course you didn't know," said Williamson gently. Conway wondered why it was that such a young man could talk down to him without giving offense; he seemed to possess authority somehow. Continuing, he said, "You were probably reserved, untalkative and all wrapped up in your high ideals. Not that there's anything wrong with them, understand, it's just that you have to allow for a little gray with the black and white. Our present culture," he went on, returning to the main line of discussion,

"is based on maximum freedom for the individual. An entity may do anything he likes provided it is not injurious to others. Only Monitors forgo this freedom."

            "What about the 'Normals' reservations?" Conway broke in. At last the Monitor had made a statement which he could definitely contradict. "Being policed by Monitors and confined to certain areas of country is not what I'd call freedom."

            "If you think back carefully," Williamson replied, "I think you will find that the Normals-that is, the group on nearly every planet which thinks that, unlike the brutish Monitors and the spineless aesthetes of your own strata, it is truly representative of its species-are not confined. Instead they have naturally drawn together into communities, and it is in these communities of self-styled Normals that the Monitors have to be most active. The Normals possess all the freedom including the right to kill each other if that is what they desire, the Monitors being present only to see that any Normal not sharing this desire will not suffer in the process.

            "We also, when a sufficiently high pitch of mass insanity overtakes one or more of these worlds, allow a war to be fought on a planet set aside for that purpose, generally arranging things so that the war is neither long nor too bloody." Williamson sighed. In tones of bitter self-accusation he concluded, "We underestimated them. This one was both."

            Conway's mind was still balking at this radically new slant on things. Before coming to the hospital he'd had no direct contact with Monitors, why should he? And the Normals of Earth he had found to be rather romantic figures, inclined to strut and swagger a bit, that was all. Of course, most of the bad things he had heard about Monitors had come from them. Maybe the Normals had not been as truthful or objective as they could have been...

            "This is all too hard to believe," Conway protested. "You're suggesting that the Monitor Corps is greater in the scheme of things than either the Normals or ourselves, the professional class!" He shook his head angrily. "And anyway, this is a fine time for a philosophical discussion!"

            "You," said the Monitor, "started it."

            There was no answer to that.

            It must have been hours later that Conway felt a touch on his shoulder and straightened to find a DBLF nurse behind him. The being was holding a hypodermic. It said, "Pep-shot, Doctor?"

            All at once Conway realized how wobbly his legs had become and how hard it was to focus his eyes. And he must have been noticeably slowing down for the nurse to approach him in the first place. He nodded and rolled up his sleeve with fingers which felt like thick, tired sausages.

            "Yipe!" he cried in sudden anguish. "What are you using, a six-inch nail?"

            "I am sorry," said the DBLF, "but I have injected two doctors of my own species before coming to you, and as you know our tegument is thicker and more closely grained than yours is. The needle has therefore become blunted."

            Conway's fatigue dropped away in seconds. Except for a slight tingling in hands and feet and a grayish blotching which only others could see in his face he felt as clear-eyed, alert and physically refreshed as if he had just come out of a shower after ten hours sleep. He took a quick look around before finishing his current examination and saw that here at least the number of patients awaiting attention had shrunk to a mere handful, and the number of Monitors in the room was less than half what it had been at the start. The patients were being taken care of, and the Monitors had become patients.

            He had seen it happening all around him. Monitors who had had little or no sleep on the transport coming here, forcing themselves to carry on helping the overworked medics of the hospital with repeated pep-shots and sheer, dogged courage. One by one they had literally dropped in their tracks and been taken hurriedly away, so exhausted that the involuntary muscles of heart and lungs had given up with everything else. They lay in special wards with robot devices massaging their hearts, giving artificial respiration and feeding them through a vein in the leg. Conway had heard that only one of them had died.

Taking advantage of the lull, Conway and Williamson moved to the direct vision panel and looked out. The waiting swarm of ships seemed only slightly smaller, though he knew that these must be new arrivals. He could not imagine where they were going to put these people-even the habitable corridors in the hospital were beginning to overflow now, and there was constant re-arranging of patients of all species to make more room. But that wasn't his problem, and the weaving pattern of ships was an oddly restful sight...

            "Emergency," said the wall annunciator suddenly. "Single ship, one occupant, species as yet unknown requests immediate treatment. Occupant is in only partial control of its ship, is badly injured and communications are incoherent. Stand by at all admittance locks.. .

            Oh, no, Conway thought, not at a time like this! There was a cold sickness in his stomach and he had a horrible premonition of what was going to happen. Williamson's knuckles shone white as he gripped the edge of the view port. "Look!" he said in a flat, despairing tone, and pointed.

            An intruder was approaching the waiting swarm of ships at an insane velocity and on a wildly erratic course. A stubby, black and featureless torpedo shape, it reached and penetrated the weaving mass of ships before Conway had time to take two breaths. In milling confusion the ships scattered, narrowly avoiding collision both with it and each other, and still it hurtled on. There was only one ship in its path now, a Monitor transport which had been given the all-clear to approach and was drifting in toward an admittance lock. The transport was big, ungainly and not built for fast acrobatics-it had neither the time nor the ability to get out of the way. A collision was certain, and the transport was jammed with wounded...

            But no. At the last possible instant the hurtling ship swerved. They saw it miss the transport and its stubby torpedo shape foreshorten to a circle which grew in size with heart-stopping rapidity. Now it was headed straight at them! Conway wanted to shut his eyes, but there was a peculiar fascination about watching that great mass of metal rushing at him. Neither Williamson nor himself made any attempt to jump for a spacesuit- what was to happen was only split seconds away.

            The ship was almost on top of them when it swerved again as its injured pilot sought desperately to avoid this greater obstacle, the hospital. But too late, the ship struck.

            A smashing double-shock struck up at them from the floor as the ship tore through their double skin, followed by successively milder shocks as it bludgeoned its way into the vitals of the great hospital. A cacophony of screams-both human and alien-arose briefly, also whisflings, rustlings and guttural jabbering as beings were maimed, drowned, gassed or decompressed. Water poured into sections containing pure chlorine. A blast of ordinary air rushed through a gaping hole in the compartment whose occupants had never known anything but trans Plutonian cold and vacuum-the beings shriveled, died and dissolved horribly at the first touch of it. Water, air and a score of different atmospheric mixtures intermingled forming a sludgy, brown and highly corrosive mixture that steamed and bubbled its way out into space. But long before that had happened the air-tight seals had slammed shut, effectively containing the terrible wound made by that bulleting ship.

VII

There was an instant of shocked paralysis, then the hospital reacted. Above their heads the annunciator went into a quiet, controlled frenzy. Engineers and Maintenance men of all species were to report for assignment immediately. The gravity neutralizer grids in the LSVO and MSVK wards were failing-all medical staff in the area were to encase the patients in protective envelopes and transfer them to DBLF theater Two, where one-twentieth G conditions were being set up, before they were crushed by their own weight. There was an untraced leak in AUGL corridor Nineteen, and all DBDG's were warned of chlorine contamination in the area of their dining hail. Also, Dr. Lister was asked to report himself, please.

            In an odd corner of his mind Conway noted how everybody else was ordered to their assignments while Dr. Lister was asked. Suddenly he heard his name being called and he swung around.

            It was Dr. Mannon. He hurried up to Williamson and Conway and said, "I see you're free at the moment. There's a job I'd like you to do." He paused to receive Conway's nod, then plunged on breathlessly.

            When the crashing ship had dug a hole half-way through the hospital, Mannon explained, the volume sealed off by the safety doors was not confined simply to the tunnel of wreckage it had created. The position of the doors was responsible for this-the result being analogous to a great tree of vacuum extending into the hospital structure, with the tunnel created by the ship as its trunk and the open sections of corridors leading off it the branches. Some of these airless corridors served compartments which themselves could be sealed off, and it was possible that these might contain survivors.

            Normally there would be no necessity to hurry the rescue of these beings, they would be quite comfortable where they were for days, but in this instance there was an added complication. The ship had come to rest near the center-the nerve center, in fact-of the hospital, the section which contained the controls for the artificial settings of the entire structure. At the moment there seemed to be a survivor in that section somewhere-possibly a patient, a member of the Staff or even the occupant of the wrecked ship-who was moving around and unknowingly damaging the gravity control mechanisms. This state of affairs, if continued, could create havoc in the wards and might even cause deaths among the light-gravity life-forms.

            Dr. Mannon wanted them to go in and bring the being concerned out before it unwittingly wrecked the place.

            "A PVSJ has already gone in," Mannon added, "but that species is awkward in a spacesuit, so I'm sending you two as well to hurry things along. All right? Hop to it, then."

Wearing gravity neutralizer packs they exited near the damaged section and drifted along the Hospital's outer skin to the twenty-foot wide hole gouged in its side by the crashing ship. The packs allowed a high degree of maneuverability in weightless conditions, and they did not expect anything else along the route they were to travel. They also carried ropes and magnetic anchors, and Williamson-solely because it was part of the equipment issued with the service Standard suit, he said-also carried a gun. Both had air for three hours.

            At first the going was easy. The ship had sheared a clean-edged tunnel through ward bulkheads, deck plating and even through items of heavy machinery. Conway could see clearly into the corridors they passed in their descent, and nowhere was there a sign of life. There were grisly remnants of a high-pressure life-form which would have blown itself apart even under Earth-normal atmospheric conditions. When subjected suddenly to hard vacuum the process had been that much more violent. And in one corridor there was disclosed a tragedy; a near-human DBDG nurse-one of the red, bear-like entities-had been neatly decapitated by the closing of an air-tight door which it had just failed to make in time. For some reason the sight affected him more than anything else he had seen that day.

            Increasing amounts of "foreign" wreckage hampered their progress as they continued to descend-plating and structural members torn from the crashing ship-so that there were times when they had to clear a way through it with their hands and feet.

            Williamson was in the lead-about ten yards below Conway that was-when the Monitor flicked out of sight. In the suit radio a cry of surprise was abruptly cut off by the clang of metal against metal. Conway's grip on the projecting beam he had been holding tightened instinctively in shocked surprise, and he felt it vibrate through his gauntlets. The wreckage was shifting! Panic took him for a moment until he realized that most of the movement was taking place back the way he had come, above his head. The vibration ceased a few minutes later without the debris around him significantly changing its position. Only then did Conway tie his line securely to the beam and look around for the Monitor.

Knees bent and arms in front of his head Williamson lay face downward partially embedded in a shelving mass of loose wreckage some twenty feet below. Faint, irregular sounds of breathing in his phones told Conway that the Monitor's quick thinking in wrapping his arms around his head had, by protecting his suit's fragile face-plate, saved his life. But whether or not Williamson lived for long or not depended on the nature of his other injuries, and they in turn depended on the amount of gravitic attraction in the floor section which had sucked him down.

            It was now obvious that the accident was due to a square of deck in which the artificial gravity grid was, despite the wholesale destruction of circuits in the crash area, still operative. Conway was profoundly thankful that the attraction was exerted only at right angles to the grid's surface and that the floor section had been warped slightly. Had it been facing straight up then both the Monitor and himself would have dropped, and from a distance considerably greater than twenty feet.

            Carefully paying out his safety line Conway approached the huddled form of Williamson. His grip tightened convulsively on the rope when he came within the field of influence of the gravity grid, then eased as he realized that its power was at most only one and a half Gs. With a steady attraction now pulling him downward toward the Monitor, Conway began lowering himself hand over hand. He could have used his neutralizer pack to counteract that pull, of course, and just drifted down, but that would have been risky. If he accidentally passed out of the floor section's area of influence, then the pack would have flung him upward again, with probably fatal results.

            The Monitor was still unconscious when Conway reached him, and though he could not tell for sure, owing to the other wearing a spacesuit, he suspected multiple fractures in both arms. As he gently disengaged the limp figure from the surrounding wreckage it was suddenly borne on him that Williamson needed attention, immediate attention with all the resources the hospital could provide. He had just realized that the Monitor had been the recipient of a large number of pep-shots; his reserves of strength must be gone. When he regained consciousness, if he ever did, he might not be able to withstand the shock.

VIII

Conway was about to call through for assistance when a chunk of ragged edged metal spun past his helmet. He swung around just in time to duck another piece of wreckage which was sailing toward him. Only then did he see the outlines of a nonhuman, space suited figure which was partially hidden in a tangle of metal about ten yards away. The being was throwing things at him!

            The bombardment stopped as soon as the other saw that Conway had noticed it. With visions of having found the unknown survivor whose blundering about was playing hob with the hospital's artificial gravity system he hurried across to it. But he saw immediately that the being was incapable of doing any moving about at all, it was pinned down, but miraculously unhurt, by a couple of heavy structural members. It was also making vain attempts to reach around to the back of its suit with its only free appendage. Conway was puzzled for a moment, then he saw the radio pack which was strapped to the being's back, and the lead dangling loose from it. Using surgical tape he repaired the break and immediately the flat, Translated tones of the being filled his ear-phones.

            It was the PVSJ who had left before them to search the wrecked area for survivors. Caught by the same trap which had snagged the unfortunate Monitor, it had been able to use its gravity pack to check its sudden fall. Overcompensating, it had crashed into its present position. The crash had been relatively gentle, but it had caused some loose wreckage to subside, trapping the being and damaging its radio.

            The PVSJ-a chlorine-breathing Illensan-was solidly planted in the wreckage: Conway's attempts to free it were useless. While trying, however, he got a look at the professional insignia painted on the other's suit. The Tralthan and Illensan symbols meant nothing to Conway, but the third one-which was the nearest expression of the being's function in Earth-human terms-was a crucifix. The being was a padre. Conway might have expected that.

            But now Conway had two immobilized cases instead of one. He thumbed the transmit switch of his radio and cleared his throat. Before he could speak the harsh, urgent voice of Dr. Mannon was dinning in his ears.

            "Dr. Conway! Corpsman Williamson! One of you, report quickly, please!"

            Conway said, "I was just going to," and gave an account of his troubles to date and requested aid for the Monitor and the PVSJ padre. Mannon cut him off.

            "I'm sorry," he said hurriedly, "but we can't help you. The gravity fluctuations have been getting worse here, they must have caused a subsidence in your tunnel, because it's solidly plugged with wreckage all the way above you. Maintenance men have tried to cut a way through but-"

            "Let me talk to him," broke in another voice, and there were the magnified, fumbling noises of a mike being snatched out of someone's hand. "Dr. Conway, this is Dr. Lister speaking," it went on. "I'm afraid that I must tell you that the well-being of your two accident cases is of secondary importance. Your job is to contact that being in the gravity control compartment and stop him. Hit him on the head if necessary, but stop him-he's wrecking the hospital!"

            Conway swallowed. He said, "Yes, sir," and began looking for a way to penetrate further into the tangle of metal surrounding him. It looked hopeless.

Suddenly he felt himself being pulled sideways. He grabbed for the nearest solid looking projection and hung on for dear life. Transmitted through the fabric of his suit he heard the grinding, tearing jangle of moving metal. The wreckage was shifting again. Then the force pulling him disappeared as suddenly as it had come and simultaneously there came a peculiar, barking cry from the PVSJ. Conway twisted around to see that where the Illensan had been a large hole led downward into nothingness.

            He had to force himself to let go of his handhold. The attraction which had seized him had been due, Conway knew, to the momentary activating of an artificial gravity grid somewhere below. If it returned while he was floating unsupported... Conway did not want to think about that.

            The shift had not affected Williamson's position-he still lay as Conway had left him-but the PVSJ must have fallen through.

            "Are you all right?" Conway called anxiously.

            "I think so," came the reply. "I am still somewhat numb."

            Cautiously, Conway drifted across to the newly-created opening and looked down. Below him was a very large compartment, well-lit from a source somewhere off to one side. Only the floor was visible about forty feet below, the walls being beyond his angle of vision and this was thickly carpeted by a dark blue, tubular growth with bulbous leaves. The purpose of this compartment baffled Conway until he realized that he was looking at the AUGL tank minus its water. The thick, flaccid growth covering its floor served both as food and interior decoration for the AUGL patients. The PVSJ had been very lucky to have such a springy surface to land on.

            The PVSJ was no longer pinned down by wreckage and it stated that it felt fit enough to help Conway with the being in the gravity control department. As they were about to resume the descent Conway glanced toward the source of light he had half-noticed earlier, and caught his breath.

            One wall of the AUGL tank was transparent and looked out on a section corridor which had been converted into a temporary ward. DBLF caterpillars lay in the beds which lined one side, and they were by turns crushed savagely into the plastifoam and bounced upward into the air by it as violent and random fluctuations rippled along the gravity grids in the floor. Netting had been hastily tied around the patients to keep them in the beds, but despite the beating they were taking they were the lucky ones.

A ward was being evacuated somewhere and through his stretch of corridor there crawled, wriggled and hopped a procession of beings resembling the contents of some cosmic Ark. All the oxygen-breathing life forms were represented together with many who were not, and human nursing orderlies and Monitors shepherded them along. Experience must have taught the orderlies that to stand or walk upright was asking for broken bones and cracked skulls, because they were crawling along on their hands and knees. When a sudden surge of three or four Cs caught them they had a shorter distance to fall that way. Most of them were wearing gravity packs, Conway saw, but had given them up as useless in conditions where the gravity constant was a wild variable.

            He saw PVSJs in balloon-like chlorine envelopes being pinned against the floor, flattened like specimens pressed under glass, then bounced into the air again. And Tralthan patients in their massive, unwieldy harness- Tralthans were prone to injury internally despite their great strength being dragged along. There were DBDGs, DBLFs and CLSRs, also unidentifiable something's in spherical, wheeled containers that radiated cold almost visibly. Strung out in a line, being pushed, dragged or manfully inching along on their own, the beings crept past, bowing and straightening up again like wheat in a strong wind as the gravity grids pulled at them.

            Conway could almost imagine he felt those fluctuations where he stood, but knew that the crashing ship must have destroyed the grid circuits in its path. He dragged his eyes away from that grim procession and headed downward again.

            "Conway!" Mannon's voice barked at him a few minutes later. "That survivor down there is responsible for as many casualties now as the crashed ship! A ward of convalescent LSVOs are dead due to a threesecond surge from one-eighth to four gravities. What's happening now?"

            The tunnel of wreckage was steadily narrowing, Conway reported, the hull and lighter machinery of the ship having been peeled away by the time it had reached their present level. All that could remain ahead was the massive stuff like hyperdrive generators and so on. He thought he must be very near the end of the line now, and the being who was the unknowing cause of the devastation around them.

            "Good," said Mannon, "but hurry it up!"

            "But can't the Engineers get through? Surely-"

            "They can't," broke in Dr. Lister's voice. "In the area surrounding the gravity grid controls there are fluctuations of up to ten Cs. It's impossible. And joining up with your route from inside the hospital is out, too. It would mean evacuating corridors in the neighboring area, and the corridors are all filled with patients.. ." The voice dropped in volume as Dr. Lister apparently turned away from the mike, and Conway overhead him saying, "Surely an intelligent being could not be so panic-stricken that it... it... Oh, when I get my hands on it-"

            "It may not be intelligent," put in another voice. "Maybe it's a cub, from the FGLI maternity unit...

            "If it is I'll tan its little-"

            A sharp click ended the conversation at that point as the transmitter was switched off. Conway, suddenly realizing what a very important man he had become, tried to hurry it up as best he could.

They dropped another level into a ward in which four MSVKs-fragile, tn-pedal stork like beings-drifted lifeless among loose items of ward equipment. Movements of the bodies and objects in the room seemed a little unnatural, as if they had been recently disturbed. It was the first sign of the enigmatic survivor they were seeking. Then they were in a great, metal-walled compartment surrounded by a maze of plumbing and unshielded machinery. On the floor in a bulge it had created for itself, the ship's massive hyper-drive generator lay with some shreds of control room equipment strewn around it. Underneath was the remains of a life form that was now unclassifiable. Beside the generator another hole had been torn in the severely weakened floor by some other piece of the ship's heavy equipment.

            Conway hurried over to it, looked down, then called excitedly, "There it is!"

            They were looking into a vast room which could only be the grid control center. Rank upon rank of squat, metal cabinets covered the floor, walls and ceiling-this compartment was always kept airless and at zero gravity-with barely room for even Earth-human Engineers to move between them. But Engineers were seldom needed here because the devices in this all-important compartment were self-repairing. At the moment this ability was being put to a severe test.

            A being which Conway classified tentatively as AACL sprawled across three of the delicate control cabinets. Nine other cabinets, all winking with red distress signals, were within range of its six, python-like tentacles which poked through seals in the cloudy plastic of its suit. The tentacles were at least twenty feet long and tipped with a horny substance which must have been steel-hard considering the damage the being had caused.

            Conway had been prepared to feel pity for this hapless survivor, he had expected to find an entity injured, panic-stricken and crazed with pain. Instead there was a being who appeared unhurt and who was viciously smashing up gravity-grid controls as fast as the built-in self repairing robots tried to fix them.

            Conway swore and began hunting for the frequency of the other's suit radio. Suddenly there was a harsh, high-pitched cheeping sound in his ear-phones. "Got you!" Conway said grimly.

            The cheeping sounds ceased abruptly as the other heard his voice and so did all movement of those highly destructive tentacles. Conway noted the wavelength, then switched back to the band used by the PVSJ and himself.

            "It seems to me," said the chlorine-breather when he had told it what he had heard, "that the being is deeply afraid, and the noises it made were of fear-otherwise your Translator would have made you receive them as words in your own language. The fact that these noises and its destructive activity stopped when it heard your voice is promising, but I think that we should approach slowly and reassure it constantly that we are bringing help. Its activity down there gives me the impression that it has been hitting out at anything which moves, so a certain amount of caution is indicated, I think."

            "Yes, Padre," said Conway with great feeling.

            "We do not know in what direction the being's visual organs are directed," the PVSJ went on, "so I suggest we approach from opposite sides."

            Conway nodded. They set their radios to the new band and climbed carefully down onto the ceiling of the compartment below. With just enough power in their gravity neutralizers to keep them pressing gently against the metal surface they moved away from each other onto opposite walls, down them, then onto the floor. With the being between them now, they moved slowly toward it.

The robot repair devices were busy making good the damage wrecked by those six anacondas it used for limbs but the being continued to lie quiescent. Neither did it speak. Conway kept thinking of the havoc this entity had caused with its senseless threshing about. The things he felt like saying to it were anything but reassuring, so he let the PSVJ padre do the talking.

            "Do not be afraid," the other was saying for the twentieth time. "If you are injured, tell us. We are here to help you. .

            But there was neither movement nor reply from the being.

            On a sudden impulse Conway switched to Dr. Mannon's band. He said quickly, "The survivor seems to be an AACL. Can you tell me what it's here for, or any reason why it should refuse or be unable to talk to us?"

            "I'll check with Reception," said Mannon after a short pause. "But are you sure of that classification? I can't remember seeing an AACL here, sure it isn't a Creppelian-"

            "It isn't a Creppelian octopoid," Conway cut in. "There are six main appendages, and it is just lying here doing nothing...

            Conway stopped suddenly, shocked into silence, because it was no longer true that the being under discussion was doing nothing. It had launched itself toward the ceiling, moving so fast that it seemed to land in the same instant that it had taken off. Above him now, Conway saw another control unit pulverized as the being struck and others torn from their mounts as its tentacles sought anchorage. In his phones Mannon was shouting about gravity fluctuations in a hitherto stable section of the hospital, and mounting casualty figures, but Conway was unable to reply.

            He was watching helplessly as the AACL prepared to launch itself again.

            ..... We are here to help you," the PVSJ was saying as the being landed with a soundless crash four yards from the padre. Five great tentacles anchored themselves firmly, and a sixth lashed out in a great, curving blur of motion that caught the PVSJ and smashed it against the wall. Life-giving chlorine spurted from the PVSJ's suit, momentarily hiding in mist the shapeless, pathetic thing which rebounded slowly into the middle of the room. The AACL began making cheeping noises again.

            Conway heard himself babbling out a report to Mannon, then Mannon shouting for Lister. Finally the Director's voice came in to him. It said thickly, "You've got to kill it, Conway."

You've got to kill it, Conway!

            It was those words which shocked Conway back to a state of normality as nothing else could have done. How very like a Monitor, he thought bitterly, to solve a problem with a murder. And to ask a doctor, a person dedicated to the preserving of life, to do the killing. It did not matter that the being was insane with fear, it had caused a lot of trouble in the hospital, so kill it.

            Conway had been afraid, he still was. In his recent state of mind he might have been panicked into using this kill-or-be-killed law of the jungle. Not now, though. No matter what happened to him or the hospital he would not kill an intelligent fellow being, and Lister could shout himself blue in the face . .

            It was with a start of surprise that Conway realized that both Lister and Mannon were shouting at him, and trying to counter his arguments. He must have been doing his thinking aloud without knowing it. Angrily he tuned them out.

            But there was still another voice gibbering at him, a slow, whispering, unutterably weary voice that frequently broke off to gasp in pain. For a wild moment Conway thought that the ghost of the dead PVSJ was continuing Lister's arguments, then he caught sight of movement above him.

            Drifting gently through the hole in the ceiling was the space suited figure of Williamson. How the badly injured Monitor had got there at all was beyond Conway's understanding-his broken arms made control of his gravity pack impossible, so that he must have come all the way by kicking with his feet and trusting that a still-active gravity grid would not pull him in a second time. At the thought of how many times those multiple fractured members must have collided with obstacles on the way down, Conway cringed. And yet all the Monitor was concerned with was trying to coax Conway into killing the AACL below him.

            Close below him, with the distance lessening every second...

            Conway felt the cold sweat break out on his back. Helpless to stop himself, the injured Monitor had cleared the rent in the ceiling and was drifting slowly floorward, directly on top of the crouching AACL! As Conway stared fascinated one of the steel-hard tentacles began to uncurl preparatory to making a death-dealing swipe.

            Instinctively Conway launched himself in the direction of the floating Monitor, there was no time for him to feel consciously brave-or stupid-about the action. He connected with a muffled crash and hung on, wrapping his legs around Williamson's waist to leave his hands free for the gravity pack controls. They spun furiously around their common center of gravity, walls, ceilings and floor with its deadly occupant whirling around so fast that Conway could barely focus his eyes on the controls. It seemed years before he finally had the spin checked and he had them headed for the hole in the ceiling and safety. They had almost reached it when Conway saw the hawser-like tentacle come sweeping up at him...

X

Something smashed into his back with a force that knocked the breath out of him. For a heart-freezing moment he thought his air-tanks had gone, his suit torn open and that he was already sucking frenziedly at vacuum. But his gasp of pure terror brought air rushing into his lungs. Conway had never known canned air to taste so good.

            The AACL's tentacle had only caught him a glancing blow-his back wasn't broken-and the only damage was a wrecked suit radio.

            "Are you all right?" Conway asked anxiously when he had Williamson settled in the compartment above. He had to press his helmet against the other's-that was the only way he could make himself heard now.

            For several minutes there was no reply, then the weary, pain-wrecked near-whisper returned.

            "My arms hurt. I'm tired," it said haltingly. "But I'll be OK when... they take me... inside." Williamson paused, his voice seemed to gather strength from somewhere and he went on, "That is if there is anybody left alive in the hospital to treat me. If you don't stop our friend down there..."

            Sudden anger flared in Conway. "Dammit, do you never give up?" he burst out. "Get this, I'm not going to kill an intelligent being! My radio's gone so I don't have to listen to Lister and Mannon yammering at me, and all I've got to do to shut you up is pull my helmet away from yours. ~

            The Monitor's voice had weakened again. He said, "I can still hear Mannon and Lister. They say the wards in Section Eight have been hit now-that's the other low-gravity section. Patients and doctors are pinned flat to the floor under three Cs. A few more minutes like that and they'll never get up-MSVKs aren't at all sturdy, you know...

            "Shut up!" yelled Conway. Furiously, he pulled away from contact.

            When his anger had abated enough for him to see again, Conway observed that the Monitor's lips were no longer moving. Williamson's eyes were closed, his face gray and sweaty with shock and he did not seem to be breathing. The drying chemicals in his helmet kept the faceplate from fogging, so that Conway could not tell for sure but the Monitor could very easily be dead. With exhaustion held off by repeated pep-shots, then his injuries on top of that, Conway had expected him to be dead long since. For some peculiar reason Conway felt his eyes stinging.

            He had seen so much death and dismemberment over the last few hours that his sensitivity to suffering in others had been blunted to the point where he reacted to it merely as a medical machine. This feeling of loss, of bereavement, for the Monitor must be simply a resurgence of that sensitivity, and temporary. Of one thing he was sure, however, nobody was going to make this medical machine commit a murder. The Monitor Corps, Conway now knew, was responsible for a lot more good than bad, but he was not a Monitor.

            Yet O'Mara and Lister were both Monitors and Doctors, one of them renowned throughout the Galaxy~ Are you better than they are? a little voice nagged in his mind somewhere. And you're all alone now, it went on, with the hospital disorganized and people dying all over the place because of that being down there. What do you think your chances of survival are? The way you came is plugged with wreckage and nobody can come to your aid, so you're going to die, too. Isn't that so?

Desperately Conway tried to hang on to his resolution, to draw it tightly around him like a shell. But that insistent, that cowardly voice in his brain was putting cracks in it. It was with a sense of pure relief that he saw the Monitor's lips moving again. He touched helmets quickly.

            ..... Hard for you, a Doctor," the voice came faintly, "but you've got to. Just suppose you were that being down below, driven mad with fear and pain maybe, and for a moment you became sane and somebody told you what you had done-what you were doing, and the deaths you had caused.. ." The voice wavered, sank, then returned. "Wouldn't you want to die rather than go on killing.. .

            "But I can't . . .

            "Wouldn't you want to die, in its place?"

            Conway felt the defensive shell of his resolution begin to disintegrate around him. He said desperately, in a last attempt to hold firm, to stave off the awful decision, "Well, maybe, but I couldn't kill it even if I tried- it would tear me to pieces before I got near it. .

            "I've got a gun," said the Monitor.

            Conway could not remember adjusting the firing controls, or even taking the weapon from the Monitor's holster. It was in his hand and trained on the AACL below, and Conway felt sick and cold. But he had not given in to Williamson completely. Near at hand was a sprayer of the fast-setting plastic which, when used quickly enough, could sometimes save a person whose suit had been holed. Conway planned to wound the being, immobilize it, then re-seal its suit with cement. It would be a close thing and risky to himself, but he could not deliberately kill the being.

            Carefully he brought his other hand up to steady the gun and took aim. He fired.

            When he lowered it there was not much left except shredded twitching pieces of tentacles scattered all over the room. Conway wished now that he had known more about guns, known that this one shot explosive bullets, and that it had been set for continuous automatic fire...

            Williamson's lips were moving again. Conway touched helmets out of pure reflex. He was past caring about anything anymore.

            It's all right, Doctor," the Monitor was saying. "It isn't anybody..

            "It isn't anybody now," Conway agreed. He went back to examining the Monitor's gun and wished that it wasn't empty. If there had been one bullet left, just one, he knew how he would have used it.

"It was hard, we know that," said Major O'Mara. The rasp was no longer in his voice and the iron-gray eyes were soft with sympathy, and something akin to pride. "A doctor doesn't have to make a decision like that usually until he's older, more balanced, mature, if ever. You are, or were, just an over-idealistic kid-a bit on the smug and self-righteous side maybe-who didn't even know what a Monitor really was."

            O'Mara smiled. His two big, hard hands rested on Conway's shoulders in an oddly fatherly gesture. He went on, "Doing what you forced yourself to do could have ruined both your career and your mental stability. But it doesn't matter, you don't have to feel guilty about a thing. Everything's all right."

            Conway wished dully that he had opened his face-plate and ended it all before those Engineers had swarmed into the gravity grid control room and carried Williamson and himself off to O'Mara. O'Mara must be mad. He, Conway, had violated the prime ethic of his profession and killed an intelligent being. Everything most definitely was not all right.

            "Listen to me," O'Mara said seriously. "The Communications boys managed to get a picture of the crashed ship's control room, with the occupant in it, before it hit. The occupant was not your AACL, understand? It was an AMSO, one of the bigger life-forms who are in the habit of keeping a non-intelligent AACL-type creature as pets. Also, there are no AACLs listed in the hospital, so the beastie you killed was simply the equivalent of a fear-maddened dog in a protective suit." O'Mara shook Conway's shoulder until his head wobbled. "Now do you feel better?"

            Conway felt himself coming alive again. He nodded wordlessly.

            "You can go," said O'Mara, smiling, "and catch up on your sleep. As for the reorientation talk, I'm afraid I haven't the time to spare. Remind me about it sometime, if you still think you need it. .

During the fourteen hours in which Conway slept, the intake of wounded dropped to a manageable trickle, and news came that the war was over. Monitor engineers and maintenance men succeeded in clearing the wreckage and repairing the damaged outer hull. With pressure restored, the internal repair work proceeded rapidly, so that when Conway awoke and went in search of Dr. Mannon he found patients being moved into a section which only hours ago had been a dark, airless tangle of wreckage.

            He tracked his superior down in a side ward off the main FGLI Casualty section. Mannon was working over a badly burned DBLF whose caterpillar-like body was dwarfed by a table which was designed to take the more massive Tralthan FGLIs. Two other DBLFs, under sedation, showed as white mounds on a similarly outsize bed against the wall, and another lay twitching slightly on a stretcher-carrier near the door.

            "Where the blazes have you been?" Mannon said in a voice too tired to be angry. Before Conway could reply he went on impatiently, "Oh, don't tell me. Everybody is grabbing everybody else's staff, and junior interns have to do as they're told. .

            Conway felt his face going red. Suddenly he was ashamed of that fourteen hours sleep, but was too much of a coward to correct Mannon's wrong assumption. Instead he said, "Can I help, sir?"

            "Yes," said Mannon, waving toward his patients. "But these are going to be tricky. Punctured and incised wounds, deep. Metallic fragments still within the body, abdominal damage and severe internal hemorrhage. You won't be able to do much without a tape. Go get it. And come straight back, mind!"

            A few minutes later he was in O'Mara's office absorbing the DBLF physiology tape. This time he didn't flinch from the Major's hands. While the headband was being removed he asked, "How is Corpsman Williamson?"

            "He'll live," said O'Mara dryly. "The bones were set by a Diagnostician. Williamson won't dare die . .

            Conway rejoined Mannon as quickly as possible. He was experiencing the characteristic mental double-vision and had to resist the urge to crawl on his stomach, so he knew that the DBLF tape was taking. The caterpillar-like inhabitants of Kelgia were very close to Earth-humans both in basic metabolism and temperament, so there was less of the confusion he had encountered with the earlier Telfi tape. But it gave him an affinity for the beings he was treating which was actually painful.

            The concept of gun, bullet and target was a very simple one-just point, pull the trigger, and the target is dead or disabled. The bullet didn't think at all, the pointer didn't think enough, and the target.. . suffered.

            Conway had seen too many disabled targets recently, and lumps of metal which had plowed their way into them leaving red craters in torn flesh, bone splinters and ruptured blood vessels. In addition there was the long, painful process of recovery. Anyone who would inflict such damage on a thinking, feeling entity deserved something much more painful than the Monitor corrective psychiatry.

            A few days previously Conway would have been ashamed of such thoughts-and he was now, a little. He wondered if recent events had initiated in him a process of moral degeneration, or was it that he was merely beginning to grow up?

            Five hours later they were through. Mannon gave his nurse instructions to keep the four patients under observation, but told her to get something to eat first. She was back within minutes carrying a large pack of sandwiches and bearing the news that their dining hall had been taken over by Tralthan Male Medical. Shortly after that Dr. Mannon went to sleep in the middle of his second sandwich. Conway loaded him onto the stretcher-carrier and took him to his room. On the way out he was collared by a Tralthan Diagnostician who ordered him to a DBDG casualty section.

            This time Conway found himself working on targets of his own species and his maturing, or moral degeneration, increased. He had begun to think that the Monitor Corps was too damned soft with some people.

Three weeks later Sector General was back to normal. All but the most seriously wounded patients had been transferred to their local planetary hospitals. The damage caused by the colliding spaceship had been repaired. Tralthan Male Medical had vacated the dining hall, and Conway no longer had to snatch his meals off assorted instrument trolleys. But if things were back to normal for the hospital as a whole, such was not the case with Conway personally.

            He was taken off ward duty completely and transferred to a mixed group of Earth-humans and e-ts-most of whom were senior to himself-taking a course of lectures in Ship Rescue. Some of the difficulties experienced in fishing survivors out of wrecked ships, especially those which contained still-functioning power sources, made Conway open his eyes. The course ended with an interesting, if back-breaking, practical which he managed to pass, and was followed by a more cerebral course in e-t comparative philosophy. Running at the same time was a series on contamination emergencies: what to do if the methane section sprung a leak and the temperature threatened to rise above minus one-forty, what to do if a chlorine-breather was exposed to oxygen, or a water-breather was strangling in air, or vice-versa. Conway had shuddered at the idea of some of his fellow students trying to give him artificial respiration-some of whom weighed half a ton!-but luckily there was no practical at the end of that course.

            Every one of the lecturers stressed the importance of rapid and accurate classification of incoming patients, who very often were in no condition to give this information themselves. In the four-letter classification system the first letter was a guide to the general metabolism, the second to the number and distribution of limbs and sense organs, and the rest to a combination of pressure and gravity requirements, which also gave an indication of the physical mass and form of protective tegument a being possessed. A, B and C first letters were water-breathers. D and F warm-blooded oxygen-breathers into which classification most of the intelligent races fell. C to K were also oxygen-breathing, but insectile, light-gravity beings. L and M were also light-gravity, but bird-like. The chlorine-breathers were contained in the 0 and P classifications. After that came the weirdies-radiation-eaters, frigid-blooded or crystalline beings, entities capable of changing physical shape at will, and those possessing various forms of extra-sensory powers. Telepathic species such as the Telfi were given the prefix V. The lecturers would flash a three-second picture of an e-t foot or a section of tegument onto the screen, and if Conway could not rattle off an accurate classification from this glimpse, sarcastic words would be said.

            It was all very interesting stuff, but Conway began to worry a little when he realized that six weeks had passed without him even seeing a patient. He decided to call O'Mara and ask what for-in a respectful, roundabout way, of course.

            "Naturally you want back to the wards," O'Mara said, when Conway finally arrived at the point. "Dr. Mannon would like you back, too. But I may have a job for you and don't want you tied up anywhere else. But don't feel that you are simply marking time. You are learning some useful stuff, Doctor. At least, I hope you are. Off."

HOSPITAL STATION.93

            As Conway replaced the intercom mike he was thinking that a lot of the things he was learning had regard to Major O'Mara himself. There wasn't a course of lectures on the Chief Psychologist, but there might well have been, because every lecture had O'Mara creeping into it somewhere. And he was only beginning to realize how close he had come to being kicked out of the hospital for his behavior during the Telfi episode.

            O'Mara bore the rank of Major in the Monitor Corps, but Conway had learned that within the hospital it was difficult to draw a limiting line to his authority. As Chief Psychologist he was responsible for the mental health of all the widely varied individuals and species on the staff, and the avoidance of friction between them.

            Given even the highest qualities of tolerance and mutual respect in its personnel, there were still occasions when friction occurred. Potentially dangerous situations arose through ignorance or misunderstanding, or a being could develop a xenophobic neurosis which might affect its efficiency, or mental stability, or both. An Earth-human doctor, for instance, who had a subconscious fear of spiders would not be able to bring to bear on an Illensan patient the proper degree of clinical detachment necessary for its treatment. So it was O'Mara's job to detect and eradicate such signs of trouble-or if all else failed-remove the potentially dangerous individual before such friction became open conflict. This guarding against wrong, unhealthy or intolerant thinking was a duty which he performed with such zeal that Conway had heard him likened to a latter-day Torquemada.