"A key! What sort of a key?" cried Paul in an eager tone. "Oh, a little silver one like the key of my piano, or the black cabinet. She woke and was very angry to find me meddling." "What did it belong to?" asked Paul. "Her treasure box, she said, but I don't know where or what that is, and I dare not ask any more, for she forbade my speaking to her about it. Poor Mamma! I'm always troubling her in some way or other." With a penitent sigh, Lillian tied up her flowers and handed them to Paul to carry. As she did so, the change in his face struck her. "How grim and old you look," she exclaimed. "Have I said anything that troubles you?" "No, Miss Lillian. I'm only thinking." "Then I wish you wouldn't think, for you get a great wrinkle in your forehead, your eyes grow almost black, and your mouth looks fierce. You are a very odd person, Paul; one minute as gay as any boy, and the next as grave and stern as a man with a deal of work to do." "I have got a deal of work to do, so no wonder I look old and grim." "What work, Paul?" "To make my fortune and win my lady." When Paul spoke in that tone and wore that look, Lillian felt as if they had changed places, and he was the master and she the servant. She wondered over this in her childish mind, but proud and willful as she was, she liked it, and obeyed him with unusual meekness when he suggested that it was time to return. As he rode silently beside her, she stole covert glances at him from under her wide hat brim, and studied his unconscious face as she had never done before. His lips moved now and then but uttered no audible sound, his black brows were knit, and once his hand went to his breast as if he thought of the little sweetheart whose picture lay there. He's got a trouble. I wish he'd tell me and let me help him if I can. I'll make him show me that miniature someday, for I'm interested in that girl, thought Lillian with a pensive sigh. As he held his hand for her little foot in dismounting her at the hall door, Paul seemed to have shaken off his grave mood, for he looked up and smiled at her with his blithest expression. But Lillian appeared to be the thoughtful