Suddenly he waved his cap and gave a shout.

It was answered by the crew.

Every man dashed his paddle into the water.

Desperately they rowed, the steersman encouraging them by wild yells.

A gigantic wave rolled in behind the boat, and looked for a moment as if she would break into it, but she rose on it just as it turned over, and for an instant was swept along amidst a cataract of white foam, with the speed of an arrow.