Even Toby seemed to forget himself for a moment or two; and once, when the chickens were all flying over the grass, screaming and laughing, he sprang up from his post on the porch, where he had been quietly watching them, and came bounding down among them with a joyous bark, and seized hold of the fox by the coat tails, just as he pounced on Harry and Walter, as if he thought they had need of his help. How the children laughed! But after that, Toby seemed to be quite ashamed of himself, and walked back to his old seat with the most solemn air possible, as if he meant to say,--