him, so he snarled Dick away. In the north he had learned the lesson that he must let the master's dogs alone, and he did not forget that lesson now. But he insisted on his own privacy and self-seclusion, and so thoroughly ignored Dick that that good-natured creature finally gave him up and scarcely took as much interest in him as in the hitching-post near the stable.
Not so with Collie. While she accepted him because it was the mandate of the gods, that was no reason that she should leave him in peace. Woven into her being was the memory of countless crimes he and his had perpetrated against her ancestry. Not in a day nor a generation were the ravaged sheep-folds to be forgotten. All this was a spur to her, pricking her to retaliation. She could not fly in the face of the gods who permitted him, but that did not prevent her from making life miserable for him in petty ways. A feud, ages old, was between them, and she, for one, would see to it that he was reminded.
So Collie took advantage of her sex to pick upon White Fang and maltreat him. His instinct would not permit him to attack her, while her persistence would not permit him to ignore her. When she rushed at him he turned his fur-protected shoulder to her sharp teeth and walked away stiff-legged and stately. When she forced him too hard, he was com-
