Oho, laughed Edward, according to that, the bats would be the only natural-born clairvoyants. But I know one who possesses that gift of insight, of which you were speaking, in a remarkable degree. Because of it he will often follow for days some unknown person who has happened to attract his attention by an oddity in manner, appearance, or garb; he will ponder to melancholy over some trifling incident, some lightly told story.