A friend of mine, who is a man of letters and a philosopher, said to me one day, as if between jest and earnest, "Fancy! since we last met I have discovered a haunted house in the midst of London."
"Really haunted,-and by what?-ghosts?"
"Well, I can't answer that question; all I know is this: six weeks ago my wife and I were in search of a furnished apartment. Passing a quiet street, we saw on the...