Neither Wabi nor Mukoki wore shoes that would make that trail! At this point the strange trail had turned and disappeared among the rocks along the wall of the mountain, and it occurred to Rod that perhaps the stranger had not discovered his presence in the chasm.

There was some consolation in this thought, but it was doomed to quick disappointment.

Very cautiously the youth advanced, his rifle held in readiness and his eyes searching every place of concealment ahead of him.

A hundred yards farther on the stranger had stopped, and from the way in which the snow was packed Rod knew that he had stood in a listening and watchful attitude for some time.

From this point the trail took another turn and came down until, from behind a huge rock, the stranger had cautiously peered out upon the path made by the white youth.
It was evident that he was extremely anxious to prevent the discovery of his own trail, for now the mysterious spy threaded his way behind rocks until he had again come to the shelter of the mountain wall.
Rod was perplexed.