I did not relinquish my grasp upon him, however, for I knew that a single shriek from those lips as he hurtled to his death in the silent waters of the sea would bring his comrades from above to avenge him. Instead I held grimly to him, choking, ever choking, while his frantic struggles dragged me lower and lower toward the end of the chain. Gradually his contortions became spasmodic, lessening by degrees until they ceased entirely. Then I released my hold upon him and in an instant he was swallowed by the black shadows far below. Again I climbed to the ship's rail. This time I succeeded in raising my eyes to the level of the deck, where I could take a careful survey of the conditions immediately confronting me. The nearer moon had passed below the horizon, but the clear effulgence of