A tree, growing straight out from the bank, overhung the stream, so that Glen at length drifted under it, and caught hold of a drooping branch. He had not strength enough to pull himself up; but it was not needed. With the activity that comes from a life spent in the open air, the engineer had run out on the horizontal trunk, and now, lying flat on it, he could just reach the boy's hand. In another minute the strong arms had drawn Glen up to a secure resting-place, where he might regain his breath and drip to his heart's content.