“Peter! What do you mean? Do they arrest people?”

“No, of course not, you goosie! But they arrest insects. If you put toads into hotbeds or cold-frames, they’ll eat up all the bugs and worms that come after the plants. They keep regular guard, just as policemen do. There, do you hear that tree toad now?”

Sophy listened to the shrill song of the little creature that appeared to be sitting upon the branch of a tree close by.

“They’re as good as hop toads, for they eat caterpillars, and worms, and hateful flies that lay their eggs under the bark of the trees, and would eat up the trees if it were not for the toads.”

“I’m glad they eat caterpillars as well as the wasps,” said Sophy. “They’re so disagreeable. Why do you suppose caterpillars were made, Peter?”

“Oh, I don’t know, I’m sure. To eat up something else, I suppose, and to be food for toads. I’ll tell you another funny thing about hop toads. They never will touch a dead insect or bug or anything. They’ll only catch them alive. Isn’t that queer?”

“How much you do know, Peter!” said his sister, admiringly. “I wish I knew as much as you do. I’m going to keep asking questions all my life, and then perhaps some day I shall know as much.”

“You never will, for you are only a girl, and I’m a boy. You’ll never know as much as I do, for I shall always keep ahead of you. First place, I’m nearly five years older than you, and then, I’m a boy.”

“Oh, I know you think it’s very grand to be a boy,” said Sophy, still keeping a watchful eye upon the extremely active hop toad which with other members of its family had come forth from beneath the piazza for a hop in the evening air; “but some girls know a good deal. I was asking Mr. Madison about it the other day, and he said some girls knew as much as boys did, and when they grew up some women knew as much as some men. I think Mr. Madison likes girls better than you do, Peter. I think he likes Honor and Katherine very much indeed. He is always coming here to get them to go somewhere.”

“I know he is,” rejoined Peter. “I like Mr. Madison ever so much, and I think he’s a jolly good fellow, and I like the way he talks, usually, but he’s awfully silly about girls. We were having such an interesting talk the other day about animals and birds when Honor happened to come along, and he stopped right off short and walked off with her up to the house, and never came back to the trees where we were sitting at all! Oh, he’s downright silly about girls, and I don’t think you had better go by what he says about them.”