Thus left to himself Bo went to his never-failing source of amusement--swinging on the gate. While enjoying himself, he heard the rumble of wagon-wheels, and jumped down to see what was coming. It happened to be the milk boy, Pete Hopkins--"Hello, Pete!" said Bo. "Hello yourself," said Pete. "Give me a ride," begged Bo. "I don't mind," said the good-natured fellow and jumping out of his cart, lifted the child to the seat beside him.