"After I glimpsed a kind of thin, yellowish, shimmering exhalation rising from the nitrous pattern toward the yawning fireplace, I spoke to my uncle about the matter. He smiled at this odd conceit, but it seemed that his smile was tinged with reminiscence. Later I heard that a similar notion entered into some of the wild ancient tales of the common folk -- a notion likewise alluding to ghoulish, wolfish shapes taken by smoke from the great chimney, and queer contours assumed by certain of the sinuous tree-roots that thrust their way into the cellar through the loose foundation-stones. . . ."