"Kalson!" he screamed at them. "He's following me! He's dead! I killed him once! But he's here! I'm going to open the port and let the air out! Then Kalson won't follow me. I'll kill him again! Then I won't see him crawling ... and crawling...."

He wheeled and ran down the corridor.

"It's Wrymore!" gasped Captain Wallace. "I thought he'd gone with the rest. Come on! We've got to stop him!"

The three raced down the corridor after the madman, who had disappeared into the main passage leading to the 'midships airlock. They reached the corridor together and wheeled into it. There at their feet lay Wrymore—they almost fell over him.

Markoe turned the man over. "He's dead!" he exclaimed. "What could have—"

"Fright, I suppose," said Wallace. "Look."


They followed his gaze along the corridor. There, on the deck in the center of the passage, slender, mobile tip questing and probing, lay one of the flame-things. Markoe and the captain drew their pistols, but Cargyle, who had already one experience with these glowing enigmas, seized their arms.