Another stroke and they would have cut to his vitals.

But they had struggled close to the edge of the rock wall, and suddenly, without a snarl or a cry, they rolled over.

It was fifty or sixty feet to the rocks of the ledge below, and even as they pitched over and over in the fall, Kazan's teeth sank deeper.

They struck with terrific force, Kazan uppermost.

The shock sent him half a dozen feet from his enemy.