Time and again he pitched his two horsehides, ran to pick them up as they dropped at the foot of the fence, and then he raced back to his "box" to repeat the performance. He was rather tiring of it, and his arm was beginning to feel numb in spite of his enthusiasm, when he heard some one laughing. The sound came from behind him, and, turning quickly, Joe saw Sam Morton standing leaning up against his wheel, and contemplating him with mirth showing on his face.