“Is it furnished?”

“It was empty yesterday.”

“Then what on earth can he be doing? There is something which I don’t understand in this manner. If ever a man was three parts mad with terror, that man’s name is Pinner. What can have put the shivers on him?”

“He suspects that we are detectives,” I suggested.

“That’s it,” cried Pycroft.

Holmes shook his head. “He did not turn pale. He was pale when we entered the room,” said he. “It is just possible that⁠—”

His words were interrupted by a sharp rat-tat from the direction of the inner door.

“What the deuce is he knocking at his own door for?” cried the clerk.