For several hours he was interested in watching the rapidly changing features of the landscape; but after a while he grew weary of this, and began to study his fellow-passengers. There were not many in the sleeper, and the only ones near him in whom he took an interest were a little girl, five or six years old, who was running up and down the aisle, and a lady, evidently the child's mother, who sat opposite to him. As he watched the little one she tripped and would have fallen had he not sprung forward and caught her. The child smiled at him, the mother thanked him, and in a few minutes he found himself playing with the former and amusing himself in entertaining her.