“I have a window open,” said he.

“It is a mercy that you are on the side of the force, and not against it, Mr. Holmes,” remarked the inspector, as he noted the clever way in which my friend had forced back the catch. “Well, I think that under the circumstances we may enter without an invitation.”

One after the other we made our way into a large apartment, which was evidently that in which Mr. Melas had found himself. The inspector had lit his lantern, and by its light we could see the two doors, the curtain, the lamp, and the suit of Japanese mail as he had described them. On the table lay two glasses, an empty brandy-bottle, and the remains of a meal.

“What is that?” asked Holmes, suddenly.