The girl screamed with delight. Her scheme had worked to perfection; she had punished her brother as she planned, and as he deserved. Down, down he went, before he could right himself and get his bearings. Then his head popped up, he blew the water from his mouth, and one or two powerful strokes brought him to land. Scrambling to his feet, he made for the laughing girl. He was not angry, for he admired her brightness, but—wait till he could lay hands on the mischievous sprite!