with sweat. Frightened, suffering men, watching another man fear and suffer, and being glad about it. Birek moved forward, slowly. His eyes held a pale glitter, like distant ice, and his lips smiled. "I prayed," he said softly. "I was answered. You, new man! Get down on your belly." Loris grinned at Birek, but there was no humor in his eyes. He had drawn a little away from MacVickers. He said carelessly: "There's no time for that now, Birek. It's our shift. They'll be burning us if we don't go." Birek repeated, "Down on your belly," not looking at Loris. A vein began to throb on MacVickers' forehead. He looked slight, almost small against the Venusian's huge bulk. He said quietly, "I'm not looking for trouble. "Then get down." "Sorry," said MacVickers. "Not today." Pendleton's voice cracked out sharply. "Let him alone, Birek! You men, down the ladder! They're going for the shockers." MacVickers was aware of movement overhead, beyond the glass roof. Men began to drop slowly, reluctantly, down the ladder. There was sweat on Pendleton's forehead and Loris' face was as grey as his eyes. Birek said hoarsely, "Down! Grovel! Then you can go." "No." The ladder was beyond Birek. There was no way past him. Loris said, in a swift harsh whisper, "Get down, MacVickers. For God's sake get down, and then come on!" MacVickers shook his head stubbornly. The giant smiled. There was something horribly wrong about that smile. It was the smile of a man in agony when he feels the anaesthetic taking hold. Peaceful, and happy. He struck out, startlingly fast for such a big man. MacVickers shrank aside. The fist grazed past his head, tearing his ear. He crouched and went in, trying for a fast body-blow and a sidestep. He'd forgotten the glimmering sheathe. His fist struck Birek on the mark, and it was like striking glass that