into an underground stream from which there would be no escape. But when a pool was gained it proved to be but several inches deep.
As Joe stood in the pool there came a sudden rumble of thunder to his ears. He listened, and by the sounds became convinced that an opening into the outer air could not be a great way off. Then came an unexpected flash of reflected light on the rocks by his side.
"Hurrah, that light came from outside!" he cried. "I'm not buried alive, after all. But I may be a good way from daylight yet."
He had some matches in his box, and lighting one of these he discovered a passageway below him, running off to his left. Further on he picked up a bit of dry wood and lit this. It made rather a poor torch, but proved better than nothing.
"Now to get out, and then to find my way back to where I left old Benson," was his mental resolve.
With extreme caution he stole forward to where the lightning revealed a distant opening. He did not leave one foothold until he was sure of the next, for he had no desire to experiment with another moving rock.
The thunder now reached his ears plainly, and the lightning at times made the front of the cave as bright as day.
