running over the rocks," cried Leroy. "I hope it's a river leading to the outer world."
"Oh, so do I!" ejaculated the boy, and both started onward eagerly. Long before the fall of water was gained they found themselves splashing in an underground stream up to their ankles. The waterfall was underground, coming from the rocks overhead and running into the stream, which, in turn, sank out of sight some distance further on.
"Nothing in that," muttered Leroy, his face falling.
Nevertheless, they stopped for a drink, for the tramp through the caves had made them thirsty. The old sailor held the torch, while Larry carried the kettle. It was well that the top of the kettle was on tight, otherwise the contents would have been spilled long before this.
Beyond the waterfall the cave opened out once more in fan shape, the roof running upward to a high arch, from which hung stupendous stalactites of white and brown. Here the water dripped down in the form of a fine rain.
"We're in a shower, lad, even though we are underground," remarked Leroy. "I must say I hope this don't last. If it does, we'll soon be wet
