The Hound of the Baskervilles
were standing out of a swirl of white vapour. As we watched it the fog-wreaths came crawling round both corners of the house and rolled slowly into one dense bank, on which the upper floor and the roof floated like a strange ship upon a shadowy sea. Holmes struck his hand passionately upon the rock in front of us, and stamped his feet in his impatience.
“If he isn’t out in a quarter of an hour the path will be covered. In half an hour we won’t be able to see our hands in front of us.”
“Shall we move farther back upon higher ground?”
“Yes, I think it would be as well.”
So as the fog-bank flowed onward we fell back before it until we were half a mile from the house, and still that dense white sea, with the moon silvering its upper edge, swept slowly and inexorably on.
“We are going too far,” said Holmes. “We dare not take the chance of his being overtaken before he can reach us. At all
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