He was now near enough to see that it was a man--evidently a bather--who was struggling for his life and in terrible danger.  The poor fellow seemed to have gone out too far, and, in his ignorance, had been drawn into the fierce current--one that no one dwelling about Carn Du would have ventured to approach; and, unless help were soon afforded, there would be a dead body cast up somewhere by a weedy cove just about the turn of the tide.