That was true, although none of the quartette had yet realized that the propeller shafts were stilled.

"Awash, are we?" cried Eph, in an incredulous voice.

"If you can't believe it," replied David Pollard, calmly, "come up and see for yourself." Eph accepted that invitation with such alacrity that he tripped and barked his shins against one of the iron steps, but recovered and darted up in no time.

"Glory!" he shouted, jubilantly. "It's true. I can see the stars."

At that moment the bell rang for turning on the gasoline motor. Within a few seconds the big engines were throbbing. Again the propeller shafts began to turn. Now, all hands could feel the motion as the "Pollard" skimmed lazily along over the ocean's surfaces.

As Eph came down, Jack Benson stepped up, with a light heart, now that the submarine had responded to the last and most important of its tasks. He stood beside the wheel, ready to take it whenever Mr. Pollard should give it up.

Yes, indeed; there was the sky overhead. And, with this glimpse of heaven's arch Jack Benson found himself forever done with submarine fever in the matter of the ordinary risk and dreads.

As yet only the conning tower was out of water. The platform deck would not emerge until Mr. Farnum, below, employed much of the remaining compressed air for expelling the last gallons of sail water from the tanks.

"What's that off the starboard bow?" wondered Jack. "Stop, Mr. Pollard. Reverse! I'm sure there's something over yonder worth stopping to look into."

David Pollard stopped the speed, then reversed sufficiently to correct the headway, although he replied: