"I wish the Greys _would_ capture the Whites," he thought vindictively, as he followed Roger across the slippery deck. "Then I'd never have to leave this ship." The kind-hearted Read Bird was carrying a pail of hot chocolate down to Nikobo on the raft. She could not get her great snout into the bucket, but she opened her enormous mouth and with one toss Roger poured the whole pail down her throat. "That'll keep her warm till morning," chuckled Roger, flying back to join Tandy, "and now you'd better turn in, little fellow, for you're on morning watch and eight bells will be sounding before you know it!" All through his dreams about the Whites and Greys Tandy heard the raucous voice of the fog horn, and when he rolled sleepily out of his bunk to relieve Ato, the ship seemed to be hardly moving at all. "Ahoy, Captain! Isn't a fog dangerous?" Tandy's voice seemed more hopeful than worried, and Samuel Salt, peering down at the little boy buttoned to his chin in Peter's old sou'easter, grinned approvingly. "Just about as dangerous as a man-eating tiger," he answered cheerfully. "We're liable to ram a ship, run on the rocks, or scrape our bottom on a hidden reef or sand bar. These waters, as you know, being all unnavigated. But I've brought Sally along to keep my nose warm and throw a bit more light on the subject and we'll have to take our chance--eh, Matey? Just step aft and see if you can make out anything astern, will you, Tandy?" Four o'clock, or rather eight bells, was always pretty dark and one had to depend more or less on the ship's lanterns, but this morning was the darkest Tandy had ever experienced. Clinging to the rail, he moved cautiously to the stern and gazed intently down into the gloom. Nothing an inch beyond his nose was visible and as for the raft and Nikobo, they might just as well not have been there. "Kobo, Kobo, are you all right?" There was no answer to Tandy's call, but presently a huge and resounding snore rolled upward and, greatly comforted, Tandy hurried back to the Captain. Samuel Salt was busy lighting extra lanterns and as he straightened up, a hollow boom, followed by a splintering crash, sent them both sprawling to the deck. Leaping to his feet and unmindful of the glass from the shattered lanterns, Samuel seized an unbroken one and ran furiously to the rail.