“We are going lower than we ever have before,” exclaimed Ned to Herc, as the two met and passed in the cabin on their way to their different stations.

“Gosh!” laughed Herc; “I hope we come up again.”

The two men on the divan exchanged a significant look.

“You’ll come up again,” muttered the one called Guiseppi, “but the days of the Lockyer are numbered, so make the most of her while she lasts.”


CHAPTER XXII.
AN INFERNAL MACHINE.

“What depth, Mr. Stark?”

Captain McGill, standing by the side of the young middy, asked the question. They were still running under water, but the air, which had just been changed, was as fresh as if they were on the surface. A heavy vibration was noticeable though as the powerful engines forced the cigar-shaped craft through the tremendous pressure of the lower waters.

“Hundred fathoms, sir,” was the rejoinder. The naval officer glanced at his watch. Then his eyes fell on the distance recorder.