CHAPTER I—THE BATTLE OF THE FANGSIt was the she-wolf who had first caught the sound of men’s voices and the whining of the sled-dogs; and it was the she-wolf who was first to spring away from the cornered man in his circle of dying flame. The pack had been loath to forego the kill it had hunted down, and it lingered for several minutes, making sure of the sounds, and then it, too, sprang away on the trail made by the she-wolf. Running at the forefront of the pack was a large grey wolf—one of its several leaders. It was he who directed the pack’s course on the heels of the she-wolf. It was he who snarled warningly at the younger members of the pack or slashed at them with his fangs when they ambitiously tried to pass him. And it was he who increased the pace when he sighted the she-wolf, n