He had slept for more than ten hours.
The next cause of his surprise was to find he was alone.

Motoza had left while he was asleep, though how long previous it was impossible to guess.

But the hunger which Fred Greenwood had felt on more than one previous occasion was as naught compared to the ravenous appetite that now had possession of him.

It was a long time since he had eaten, and it looked as if it would be a long time before he ate again.

There was absolutely nothing in the cavern beside himself.