Mirage pups lived to a ripe old age. Slowed metabolism. The cold and dark of Pluto. Long periods of hibernation on that frigid planet while they dreamed the long, long dreams of their youth. And projected those dreams on awakening. Dreams, memories, buried loyalties.

If a master had been kind they'd never forgot! If a mistress had been kind—

The wetness at the corners of my eyes was making me blink.

So the mirage pup had followed her out on the hull, long ago. Crouched down perhaps, shivering, its paws covering its face. And the electrolube hadn't touched it! A small body, a small positive charge! No nourishment for an electrolube in a mirage pup!

Then it had crawled back, whining and hopeless and lost, back into the ship. Hibernation in a dark corner! For one hundred years!

"I found him in the tube room!" Pete grunted. "He was hidin' behind one o' the atomotors, coiled up like a porcupine. But I knew he was just playin' possum! I could see his eyes—blazin' out at me in the dark!"

"Yeah," I said, gruffly.

"You want to hold him, Jim?"

Pete extended the little beast toward me, but I shied away. I couldn't bear to touch anything that she had touched! Later, maybe, when I got over the shock.

"Guess we'll never know how the ship found its way to the graveyard!" Pete said. "Say, do you suppose if we're patient he'll project a picture of what happened? Maybe he'll start fillin' the tub with mirages again!"

"They only do it when they're scared!" I told him. "And lonely and miserable! He's not scared now! He likes us, worse luck!"

"He was homesick, eh?"

"That's right! For his past, for his mistress." I looked at Pete. "As for the ship, I can make a pretty good guess. Ship went into an orbit of its own, close to Saturn. It drifted around for about a century. Then a salvage crew found it and towed it to Callisto City to be sold as junk. It has happened before, plenty of times!"

"Never with a mirage pup inside, I bet!"

"Maybe not!"

I turned away, feeling all hollow inside, like one of those caterpillars that pupae wasps sting to death and feast on until they're nothing but husks. Grave bait, lying in a 

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