Then it was decided that Dross should try to manage one part of the engine while Oscar managed another, both at the same time.

In the meantime the Holland XI. continued to swing around in a circle and once the craft came close to throwing herself completely over on the starboard side.

"Now then, ready, George?"

"Yes, captain."

"Then let her go."

Both strained at their task and several sharp clicks followed. Then Oscar sprang to a nearby lever and gave it a pull.

Instantly the power was shut off and in a moment more the Holland XI. came to a standstill on the bosom of the ocean.

"Hurrah, we have stopped her at last!" cried Oscar, enthusiastically.

With the turning off of the electricity it became safe to walk all over the submarine craft and both Oscar and the engineer, as well as Gilson, set to work to repair damages.

While they were at work the most of the men who had been shocked by the lightning came to their senses and wanted to know all about what had happened.