Both Harl and Tina had always distrusted Tugh. They thought him allied to the Robots. But they had no proof; and suavely he denied it, and helped always with the Government activities struggling to keep the mechanical slaves docile and at work.


ugh and the larger vehicle had vanished, and so had Migul, the insubordinate, giant mechanism—at which, unknown to the Government officials, Tina and Harl had taken the other cage and started in pursuit. It was possible that Tugh was loyal; that Migul had abducted him and stolen the cage.

"Wait!" exclaimed Larry. "I'm trying to figure this out. It seems to hang together. It almost does, but not quite. When did Tugh vanish from your world?"

"To our consciousness," Tina answered, "about three hours ago. Perhaps a little longer than that."

"But look here," Larry protested: "according to my story and that of Mary Atwood, Tugh lived in 1935 and in 1777 for three years."

Confusing? But in a moment Larry understood it. Tugh could have taken the cage, gone to 1777 and to 1935, alternated between them for what was to him, and to those Time-worlds, three years—then have returned to 2930 on the same day of his departure. He would have lived these three years; grown that much older; but to the Time-world of 2930 neither he nor the cage would have been missed.

"That," said Tina, "is what doubtless he did. The cage is traveling again. But you, Larry, tell us only Migul is in it."

"I couldn't say that of my own knowledge," said Larry. "Mary Atwood said so. It held only the mechanism you call Migul. And now Migul has with him Mary and my friend George Rankin. We must reach them."