it back. But I've got to have twenty dollars by to-morrow night."
"What for? What's the matter?" asked Betty, in alarm.
"You'll promise not to tell Bobby?" demanded Libbie intensely. "Promise me you won't tell Bobby? She'd scold so. And Mrs. Eustice would expel me. If you won't tell Bobby or Mrs. Eustice, Betty, I'll tell you."
Betty was now thoroughly aroused. She knew that impulsive novel-reading Libbie went about with her pretty head filled with all sorts of trashy ideas, and she didn't know what lengths she might have gone to. If Mrs. Eustice would expel her, the affair must be serious indeed.
"I'll promise," said Betty rashly. "Tell me everything, Libbie, and if I can I'll help you."
"Well, you remember when we went nutting?" said Libbie. "I carried a bottle with me with—with my name and address written on a slip of paper inside. I read about that in a book. And I said to leave an answer in the same bottle. I—I buried it just at the foot of the hill, before we began to climb. Louise was with me, but she was hunting for specimens for her botany book."
"So that's why you hung back, was it?" said Betty. "I wish to goodness Louise was more interested in what is going on around her. She
