A dozen pair of hands reached for it at once. Off came the ladder with a bound, while other men pressed up to aid.

"Right up to the sill of the window where that woman is!" shouted young Captain Benson. Up went the ladder, exactly in place, while a score of voices shouted:

"Get out on the ladder and come down, young lady! Can you?"

As if in answer, Mlle. Nadiboff was seen suddenly to reel backward as though overcome by the smoke that poured up at her from the floor below.

"Where are you going?" shouted Jacob Farnum, hoarsely, as the submarine captain threw off his jacket like a flash.

"Up there—of course—to help her!" Jack shouted back at him, as he leaped at the rungs.

"It's the only thing a man can do," admitted Farnum, hoarsely. "Good luck to you, Jack!"

CHAPTER XXIII

"GOOD-BYE, MY CAPTAIN!"

The first part of the climb was easy.