dwelt upon. They had neither sail, mast nor covering of any kind, so that even if the breezes came, they could not avail themselves of them; they were helpless, and must wait as they were.
Not a break on the wide spread of ultra-marine waters; yes, only a tiny, yet terribly significant, sign that they were not entirely isolated from other life, two black triangular objects lying parallel to each other, with a space of five feet between, like two little fishing buoys, constantly reminded them that the patient equatorial shark, the largest of all his tribe, was also watching for food when anything chanced to look that way. He was alone, with his little friend the pilot fish, darting to and fro, and reporting progress to him, but he never stirred from his position any more than did the small boat, with its sun-baked and shrunken boards, through the seams of which the water gurgled in, which Dennis had so frequently to bail out. That was the only effort that Dennis made, but the patient and watchful shark made none. He rested his huge bulk, just hidden all but those betraying fins, not ten feet distant from them, and he had remained in this juxtaposition for days, a grim sentinel that nothing could tire out. At night he was there still, for it was then that the boat made some drifting, which movement the watcher imitated. In the dark it was more terrible to look at than during the day, for as it moved the phosphorescent waters were stirred and lit up with blue flames, which revealed his vast proportions, and perhaps exaggerated them, to the horrified gaze of the spectators; any object passed through those waters seemed to set them ablaze, and leave a lurid trail behind it.
Heavy dews fell at night, for which they were thank-
