planet—but his individuality will remain passive. "Following the period of quiescence, differentiation of cells will take place. Erg will then be a full-fledged Martian and will explore the entire planet. After that, who knows what vistas of greatness lie ahead? "In his present form only I, his mentor and creator, can retain contact. But you honored Martians will be allowed to become attuned to my brain and thus receive Erg's reports." He paused and held aloft a transparent cylinder. The Martians stirred with interest. They were all greatly impressed, although Erg resembled nothing so much as a pot roast in a jar. They had never heard of a pot roast. "We shall now dispatch Erg upon his epochal journey." Gunnar Viborg paced restlessly to keep warm, kicking irritably at the pile of mouldy straw in the back of the cave and the deflated life raft from which they had sneaked ashore the night after their plane had been shot down at sea. "Martha," he said, "this is no good. If we don't get food now, tonight, we'll be too weak if we ever do get a chance for a getaway. I say, let's make a grab now and take our chances afterward. How about it?" The nurse, her attractive face now pinched with cold and hunger, nodded. Both were well aware that a raid on a Jap supply cache would start an intensive search, but hunger and desperation are companions. They checked their pistols, their only weapons except Gunnar's trench knife, and started out. They had already chosen their objective, but were only halfway there when the raid began. Probing searchlight beams broke futilely against the hovering clouds and the night rocked with falling bombs and the insane yammer of anti-aircraft fire. One raid more or less meant little in their situation and, even while they crouched between two huge boulders, Gunnar kept remembering that wonderful restaurant in his Minnesota home town, its strong black coffee and thick steaks and beautiful apple pie. "Quit that, stomach!" he told himself. The raid seemed to have ended and they were moving on again when, without warning, the night was shattered by a blue flash somewhere above. The glare penetrated even the blanketing fog and for an instant left the island starkly outlined in a brilliance exceeding daylight. Instantly the ack-ack resumed its