"I'll appropriate the knife," said Tom. "It's not as good as a gun or pistol, but it is better than nothing."
Thus armed they set forth without further delay, fearful that their enemies might return at any moment to recapture them. As the bear had gone up the gully they went down, and they did not come to a halt until they had placed at least a quarter of a mile between themselves and the caves. For some distance they kept on a series of bare rocks, thus leaving no trail behind.
"I reckon we are clear of them for the time being," observed Tom, as he came to a halt. "And that being so, the next question is, Where are Dick and Mr. Barrow?"
"The best we can do is to try to find Perch River, to my way of thinking," came from Sam. "If we can find that and we stick to it, we'll be sure to land at Bear Pond, sooner or later."
"It seems to me Bear Pond ought to be close at hand," said Tom. "We've seen the bear any way, if not the pond." And at this both Sam and he gave a short laugh.
An hour later found them tramping along the edge of a cliff overlooking a broad valley, in the center of which was a winding stream almost hidden by the woods on either side.
"Now, if we were only sure that was Perch River, we'd be all right," said Sam. "But un-
