into a shower of blocks, weighing scores of tons apiece, that whirled and skirted among the hummocks. Others, again, rose up bodily out of the water when they shoaled, twisted as though in pain, and fell solidly on their sides, while the sea threshed over their shoulders. This trampling and crowding and bending and buckling and arching of the ice into every possible shape was going on as far as the eye could reach all along the north line of the floe.

From where Kotuko and the girl were, the confusion looked no more than an uneasy, rippling, crawling movement under the horizon; but it came toward them each moment, and they could hear, far away to landward a heavy booming, as it might have been the boom of artillery through a fog. That showed that the floe was being jammed home against the iron cliffs of Bylot’s