Betty and Mary Brooks, however, were not too engrossed in the sail-hunting match that Bob had proposed, to notice the manner of the two in the steamer chairs. At first Ethel looked troubled, and Betty was sure, though she never told Mary so, that she was almost ready to cry. But after a few minutes' earnest talk between them she smiled and nodded an emphatic assent to something Dr. Eaton had said, and presently they were promenading the little deck together in the most sociable fashion, stopping occasionally to hear how the sail-hunting match was going on.