"I must stop and see what that is," said Happy Jack. So down the tree he ran, and in a few minutes he had found the queer thing, which had caught his eyes. It was smooth and black and white, and at one end it was very sharp with a tiny little barb. Happy Jack found it out by pricking himself with it. "Ooch," he cried, and dropped the queer thing. Pretty soon he noticed there were a lot more on the ground.