“It sounded like it, sure enough,” said Tom. “Say, fellows,” he cried as the other canoe came near, “did you leave anybody aboard the yacht? We just heard somebody out there.”

“No, we didn’t,” replied Harvey. “Come on, let’s get up to her quick.”

If Tom and Bob had beaten them before, they could not do it now. Harvey’s paddle went into the water with a strength that was well-nigh doubled with excitement. Moreover, if there had been any possible doubt in their minds as to whether there was really anybody aboard the Viking, that doubt was dispelled by a faint gleam of light showing from out the cabin door.

“How can that be?” exclaimed Harvey. “I sprung that lock, myself.”

They were alongside, next moment, and aboard, with the light lines that held the canoes quickly made fast.

Rushing to the companionway, Harvey cried, angrily:

“Here! Who’s that down there? What are you doing?”

The man, springing up, and holding the lantern in one hand, disclosed the features of their friend, Mr. Carleton.

“Hello!” he said. “Say, this is too bad.”

“You bet it’s too bad!” cried Harvey, interrupting him. “What do you mean by breaking in here?”