172
IN A GLASS DARKLY.
"Now, my question is this. Have you ever been suspected of walking in your sleep?"
"Never, since I was very young indeed."
"But you did walk in your sleep when you were young?"
"Yes; I know I did. I have been told so often by my old nurse."
My father smiled and nodded.
"Well, what has happened is this. You got up in your sleep, unlocked the door, not leaving the key, as usual, in the lock, but taking it out and locking it on the outside; you again took the key out, and carried it away with you to some one of the five-and-twenty rooms on this floor, or perhaps up-stairs or down-stairs. There are so many rooms and closets, so much heavy furniture, and such accumulations
