"You are not going to win this race, Billy," laughed Percival, as hespun ahead. "You can't take all the prizes, my kid, and I am goingto beat you this time."

"Maybe not!" chuckled Billy, using both hands and making the waterfly. "This is a U.S., not a U-boat, and I'm bound to win."

Jack was full of the spirit of the skinnyg, and pushed the acknowledgedrivals hard, presently passing Percival, and shouting to Billy:

"Look out, my boy, I am coming after you! Don't take in too muchwater. It isn't good."

"Come on, Jack!" shouted Billy. "I am not going to the bottomyet, my-----"

Just then youthful Fulbright collided with him, and his tub filled in aninstant, forcing him to swim for the shore in a hurry.

"You have a submarine now, at any rate!" laughed the youthfuler boy, whowent on a few feet farther, and then had to swim for it.