off." The laugh was hard with scorn. "Do you think we wouldn't know it if you had? You haven't even a spacesuit on. Come out with your hands up or we'll flood the vault with gas." Laird's teeth flashed in a snarling grin. "All right," he shouted, only half aware of what he was saying. "All right, you asked for it!" He threw the switch on his helmet. It was like a burst of fire in his brain, a soundless roar of splintering darkness. He screamed, half crazy with the fury that poured into him, feeling the hideous thrumming along every nerve and sinew, feeling his muscles cave in and his body hit the floor. The shadows closed in, roaring and rolling, night and death and the wreck of the universe, and high above it all he heard—laughter. He lay sprawled behind the machine, twitching and whimpering. They had heard him, out in the tunnels, and with slow caution they entered and stood over him and watched his spasms jerk toward stillness. They were tall and well-formed, the Janyard rebels—Earth had sent her best out to colonize the Sagittarian worlds, three hundred years ago. But the long cruel struggle, conquering and building and adapting to planets that never were and never could be Earth, had changed them, hardened their metal and frozen something in their souls. Ostensibly it was a quarrel over tariff and trade rights which had led to their revolt against the Empire; actually, it was a new culture yelling to life, a thing born of fire and loneliness and the great empty reaches between the stars, the savage rebellion of a mutant child. They stood impassively watching the body until it lay quiet. Then one of them stooped over and removed the shining glassy helmet. "He must have taken it for something he could use against us," said the Janyard, turning the helmet in his hands; "but it wasn't adapted to his sort of life. The old dwellers here looked human, but I don't think it went any deeper than their skins." The woman commander looked down with a certain pity. "He was a brave man," she said. "Wait—he's still alive, ma'm—he's sitting up—" Daryesh forced the shaking body to hands and knees. He felt its sickness, wretched and cold in throat and nerves and muscles, and he felt the roiling of fear and urgency in the brain. These were