As I turned and looked at her an idea struck me. Marjorie Garth was slim and very supple, and but for her softly rounded throat and the gentle swell of her bosom one might have taken her for a boy.

"My dear," said I, "you must have a try. It's only my breadth of shoulders that prevents me from getting through. I believe you'll manage all right...."

The girl looked at me open-eyed.

"And leave you here?" was all she said.

I took her hand.

"Listen to me! The yacht must be back very soon. You can hide somewhere near the shore and when you hear the gun, make your way to our cave on the beach and wait for the Naomi's launch. You run the risk, I know, of falling into Clubfoot's hands again. But you have a sporting chance. Believe me, if you stay here, you haven't even that...."

With a quick gesture the girl sank her face in her hands.

"No!" she exclaimed. "No, no! I can't do it! I can't leave you like this!"

Gently I drew her hands away from her tear-stained face.

"Fate has sent us this chance," I reminded her, "and we must take it. I told you I always come out on top in the end and this is our opportunity. Isn't it better to have a run for your life than to stay here and die like a rat in a hole? If there should prove to be a way out you can always come back to the air-hole and report to me. If there isn't we can be together again...."