THEY WERE IN THE MIDST OF A GRAVEYARD OF WRECKED SHIPS.—Page 200.
There was a slight movement to the muscles of the professor's hand. Then it seemed as if a thunderbolt had fallen into the midst of the ocean about them.
There was a dull rumble, but the confined space and the thick walls of the ship shut most of it out. It was followed by a sickening dizzy motion to the submarine. She seemed about to roll over and those in her grabbed frantically at the sides. The next instant the craft plunged down, down, down, into the water which was filled with broken cakes of ice, that rattled against the steel sides, like peas in a pan.
Down and down the Porpoise went, for her tanks were full. More and more rapidly she continued to sink, until it seemed she would fetch up in the deepest cavern of the ocean.
"We's gwine t' Mars Davy Jones's locker, suah!" Washington exclaimed as he looked at the depth gages.
"Has the experiment succeeded?" asked Andy of Mr. Henderson.
"I think so," was the answer. "At any rate we are free from the ice, temporarily at least. We are sinking down through the hole the dynamite made, just as I hoped we would."
"Where will we end up?" asked Jack.
"No one knows," replied the captain. "But I would say—"