ten o'clock
`` A little private affair , '' he laughed . `` Comes Gregson , let 's see what we can discover . '' In the gloom outside one of his hands slipped under his coat and rested on the butt of his revolver . Until ten o'clock they mixed casually among the populace of Le Pas . Half a hundred people had seen Croisset and his beautiful companion , but no one knew anything about them . They had come that forenoon on a sledge , had eaten their dinner and supper at the cabin of a Scotch tie-cutter named MacDonald , and had left on a sledge . `` She was the sweetest thing I ever saw , '' exclaimed Mrs. MacDonald rapturously .