He tested various wheels and levers, and announced that, aside from the jar, which might have started some of the machinery, the Porpoise was unharmed.

The cover of the man-hole was loosened and, one after another, the adventurers crawled out on the small deck or platform. It took them a little while to become accustomed to the darkness, but soon they were able to make out that they had run on the muddy bank of the ocean beach. The tide was low and the Porpoise had rammed her nose well into the soft muck, which accounted for the lack of damage.

"Well, I guess there is nothing to do excepting to wait for morning," said Mr. Henderson. "It doesn't look like a very lively neighborhood about here. I don't believe we'll be disturbed."

Save for the splash and lapping of the waves and the sound of the wind, it was as quiet as the proverbial graveyard. Not a light showed on shore, and the gleam from the search lamp of the Porpoise cut the darkness like a small moonbeam.

"If there's nothing to do I'm going to turn in," said Andy. "I'm tired."

The professor said this was a good suggestion, and, leaving instructions that Washington and Bill were to divide the night's watch between them, the inventor sought his bunk.

The boys remained on deck a few minutes longer.

"We certainly are getting our share of adventures," remarked Jack.

"I should say so," answered Mark.

"Gollyation yes!" exclaimed Washington. "You-uns done most been eat by dat air koslostrous specimen ob a parralleledon! I'm glad I didn't go. But I'se brave enough!"