His three boats stove around him, and oars and men both whirling in the eddies; one captain, seizing the line-knife from his broken prow, had dashed at the whale, as an Arkansas duellist at his foe, blindly seeking with a six inch blade to reach the fathom-deep life of the whale. That captain was Ahab. And then it was, that suddenly sweeping his sickle-shaped lower jaw benieath him, Moby Dick had reaped away Ahab's leg.