[Illustration: A flounder]
CHAPTER XIII
THORN LEARNS TO SWIM
After a little the boys jumped up and ran into the water to play with the other children.
[Illustration: Seaweed]
A big green wave came rolling in, and the children quickly took hold of hands. They jumped up as the wave broke over them. It knocked some of them down and stood Clam on his head. Somebody caught his feet, and the others all laughed. He came up angry and choking, when another wave caught him and rolled him over again. After that the boys came crowding around Thorn, waving their arms.