As the months went by, they watched him change gradually from cub to wolf. They were sorry to see him lose his puppy looks and frisky manners. But what could they do? It is a great pity, but no one has yet discovered how to make babies of any sort remain babies. Gradually he lost his roundness. He grew longer and longer, until he was stretched out into four feet of gaunt yellowish-gray wolf. But still he remained quiet and gentle with his friends, quick to learn and ready to obey. He was a perfectly good wolf, and he loved John so dearly that he could scarcely be separated from him. He followed the boy wherever he went, and lay down beside him when he slept, like any watch-dog. And though he was so gentle in the animal kingdom, the Hermit knew that it would go hard with any one who should try to hurt Wolf's little master. Yet he and Brutus were the best of friends. The good dog was too noble to be jealous. XV THE GREEN STRANGER For five happy years John lived with the good Hermit, and became a sturdy lad of fourteen before anything new happened of great moment to the animal kingdom. In all this time he had seen no human creature except the Hermit himself. Their hut was so far in the forest that no travelers ever passed that way. But John was never lonely, for he had the kindest of fathers in the Hermit, and the happiest of comrades and playmates in the circle of pets, ever increasing, who gathered about the abode of peace. Brutus was still his dearest friend. But the wolf was almost as intimate. As for Bruin, he was never a constant dweller with the colony, but came and went at will. Sometimes he disappeared for weeks at a time, and they knew that he was wandering through the forest which stretched for miles in every direction, pathless and uninhabited. And sometimes they wondered what adventures the big brother might be enjoying. "If only he could tell me!" wished John. But this kind of gossip was still impossible between them. One day John was out in the forest, not far from the Hermit's hut, cutting wood for the winter, which was near at hand. He was alone, for a wonder. The wolf had come with him, but had now trotted away into the forest on business of his own. The bear had disappeared some weeks before, on one of his pilgrimages. Brutus was at that moment with the Hermit in the hut; for the dog divided his attentions between the young friend and the old.