The wolf, as he believed it to be, was doubtless familiar with every turn of the cave, and, when he was ready to go, was likely to vanish in a twinkling--skurrying away with a speed that would defy pursuit.

However, there was a promise, or a possibility, at least, of success, and that certainly was something to be cheerful over, even though the prospect was not brilliant, and Fred was resolved that failure should not come through remissness of his.
The continuation of this absorbing story is entitled "The Cave in the Mountain.".