"Guess 'Brass buttons' is just coming to take a look at the 'Nimrod.' Don't let a blue uniform get you scared."

But the policeman only glanced at the trim little motor boat.

"What's your name?" he demanded, addressing the leader of the Nimrods.

"Nat Wingate—why?"

"Is that your boat?"

"Sure, it is."

"Then you fellows will have to come with me," said the officer.

"What for?" protested Nat.

"Never mind, Johnny. The captain will tell you all about it. Step lively now."

"This is an outrage!" cried Hackett, loudly.