"I'll bring the Sea Dart right along behind you."

In a few moments the Sea Dart broke into the evening darkness.

He himself might lose the Sea Dart to the pirates- to say nothing of being captured!

The Sea Dart was safely outside the circle of white light.

But the Sea Dart did not move off its course.

The sharp current fairly pulled the bow of the Sea Dart around the turn.

At the same time the Sea Dart came to a jarring halt.

As he said this, there came a faint tapping on the hull of the Sea Dart.

"That means the Sea Dart has gone to the bottom!"

First he told why the Sea Dart had sunk.