All that Alden could do was use his eyes and hearing. No fear of his falling asleep, even if he did lean against the thick spokes of the wagon wheel. He knew better than to confine his attention to the spot where the warrior had appeared and vanished. The fact of his having done so would prevent his repeating the trick. He would aim to strike his next blow from another point. And that such was the fact became apparent a few minutes later when a fluttering disturbance similar to the first caught his eye, though from a point well to the left.