He paused awhile, and I ventured to ask: "And is the debt paid?"

"At last it is paid."

"The man was caught, then, in the end?"

"Yes. He was caught."

"And I hope," I exclaimed fervently, "that the scoundrel met with his deserts; I mean, that he was duly executed."

"Yes," Challoner answered quietly, "he was executed."

"How did the police discover him, after all?" I asked.

"You will find," said Challoner, "a full account of the affair in the last volume of the 'Museum Archives';" then, noting the astonishment on my face at this amazing statement, he added: "You see, Wharton, the 'Museum Archives' are, in a sense, a personal diary; my life has been wrapped up in the museum and I have associated all the actions of my life with the collection. I think you will understand when you read it. And now let us dismiss these recollections of a ruined life. I have told you my story; I wanted you to hear it from my own lips, and you have heard it. Now let us take a glass of wine and talk of something else."

I looked at my watch and, finding it much later than I had supposed, rose to take my leave.

"I oughtn't to have kept you up like this," I said. "You ought to have been in bed an hour ago."