CHAPTER XIV .-- In The Ravine.
The lads were surprised at the way their own horses followed, sliding on their haunches down the steepest places and picking their way among rocks and bowlders.

Six hours after starting they found themselves in a deep ravine, whose sides were covered with trees.

They had now lost the moon, and it was far too dark for them to progress further.
"We will give them four hours' rest," Dave said; "that long halt on the path was worse than traveling.

We shall go three times as fast when we get light to help us as in the dark; besides, we have got to look for some place where we can double on them.

We shan't find that till we are out of this valley.