He had rung loudly at the door of a great dark house in the centre of Poultney Square. It was opened immediately, and the figure of a tall woman was outlined against the dim-lit hall.

“Well, what do you want?” she asked sharply, peering at us through the darkness.

“I want to speak to Dr. Shlessinger,” said Holmes.

“There is no such person here,” she answered, and tried to close the door, but Holmes had jammed it with his foot.

“Well, I want to see the man who lives here, whatever he may call himself,” said Holmes firmly.