Jack, at this moment, was within a few yards of the boat.
"You bet there is!" he said between his teeth. "And he'll be there in a minute."
He did not call encouragement to Frank, for he wished to get aboard the plane, if possible, before the men could stay him.
The two Germans rushed Frank simultaneously, and bore him back in the plane. At the same instant, Jack, unmindful of danger that might lurk aboard and thinking only of Frank's danger, laid hold of the plane and climbed aboard. Then he stood erect and shouted:
"Come on, you cowards! Here's the other one!"
CHAPTER XI
DAWN—AND A NEW ENEMY
The two Germans, just about to throw Frank overboard, turned quickly at the sound of this new voice. They wasted no time.
"At him!" cried one, and leaped.
The other sprang after him.