White men of the kind to go scouting through the wilderness are not so plenty on the border that one has to make many guesses.

You lads move away a little so you won't be in line if a shot comes, and I'll give a signal." Robert and Tayoga crept to other points in the brush, and the hunter uttered a whistle, low but very clear and musical.

In a moment or two, a like answer came from a place about a hundred yards away, and Willet rising, advanced without hesitation.

Robert and Tayoga followed promptly, and a tall figure, emerging from the darkness, came forward to meet them.
The stranger was a man of middle years, and of a singularly wild appearance.

His eyes roved continually, and were full of suspicion, and of a sort of smoldering anger, as if he had a grievance against all the world.