“You and I, Mr. Hartright, are excellently well acquainted with one another by reputation,” he said. “Did it, by any chance, occur to you when you came to this house that I was not the sort of man you could trifle with?”

“It did occur to me,” I replied. “And I have not come to trifle with you. I am here on a matter of life and death, and if that door which you have locked was open at this moment, nothing you could say or do would induce me to pass through it.”

I walked farther into the room, and stood opposite to him on the rug before the fireplace. He drew a chair in front of the door, and sat down on it, with his left arm resting on the table. The cage with the white mice was close to him, and the little creatures scampered out of their sleeping-place as his heavy arm shook the table, and peered at him through the gaps in the smartly painted wires.