They asked themselves that, if the hoofprints in the trail had been made by the horses of Mr. Edwards and his wife, how was it that they had got by Blazing Arrow and his companions without detection? It was not to be supposed that they had been permitted to do so for the purpose of drawing them into a trap, for there was no call for such a course. Three Indians, crouching in ambush, could shoot a man and his wife from their horses without the slightest danger to themselves, or, if they chose, they could have slain the man and made the woman captive. It looked as if, by some strange turn of events, the couple had slipped by undiscovered. The conference continued but a few minutes. After the outburst of Blazing Arrow, he did not show any more excitement. He exchanged some words with Arqu-wao, and then waved him aside. The fellow obeyed rather sullenly, and the three Shawanoes resumed their walk in the direction of the falls. It was a dangerous proceeding for the boys to watch them as they drew near their hiding-place. Larry did not do so, but shrank as close as he could against the trunk of a tree, fearful of betraying himself, and trying to shift his position, as they moved along, so as to prevent any part of his body being seen by any of the roving glances of the party. Fully aware of the danger, Wharton could not help yielding to his curiosity to that extent that he had kept an eye on Blazing Arrow, even when he was at the nearest point of the trail. He studied the ugly countenance, smeared with paint, and the irregular profile of each warrior in turn as he filed past. Not one of them looked down at the ground, but their eyes seemed to be fixed on the farthest point of the trail which was in their field of vision, as though they were expecting some one to reveal himself. Had they looked down at the ground they must have discovered the footprints of the boys, and what then? Arqu-wao, rather curiously, held the same position which has already been described; his left side was toward the boys, and also toward the vanishing group of his people. It was the attitude he would have taken had he intended to use his bow and arrow, and, after what had occurred, the boys could not believe he thought of injury to them. Beyond all question he had allowed the best opportunity to overcome them pass. Having done that, it seemed idle to suspect him any longer. The only "fly in the ointment" was the explanation of the sudden friendship on the part of the strange being. He had been caught in the very act of an attempt to slay the boys, as he would have been glad to do, when they paddled away with his canoe. They, in turn, after sparing his life, had partially disarmed him, and then compelled him by threats to act the part of a guide.