“We’ll soon see,” and Jerry started the water propeller.

Slowly at first, and then gathering speed, the motor-ship adapted herself to the watery element as well as she had to the earth or air.

“Success! Success!” murmured Ned, while from the motor-boats on the lake came shrill whistles of greeting to the new and strange craft that had so unexpectedly appeared among them.


[CHAPTER XII]
IN PERIL

“Say, isn’t this great?” demanded Jerry of his companions, as he stood in the steering house, and directed the course of the Comet on the lake. “I guess now you agree with me, don’t you, Bob, that the hydroplanes are all right?”

“Yes, they are,” admitted the stout lad. “I didn’t think they’d work so well.”

“Me, either,” spoke Ned. “They’ll be all right in case we have to go over some part of the ocean, or a large body of water, and something happens so that we have to descend.”