At that moment a hail of "Gig ahoy!" came from Nugent aboard the launch; and, glancing back at him, we saw him pointing at some object that had suddenly appeared on the ridge of the spit, away on our port quarter. It was a man, a white man, a seaman, if one might judge from his costume, and he was waving a large coloured handkerchief, or something of the kind, with the evident object of attracting our attention.  While we still stood at gaze, wondering what this apparition could possibly mean, another man appeared beside him.