as I handled the genuine tetradrachm about two years ago, when Lord
Seastoke exhibited it at a meeting of our society in Albemarle Street,
there is nothing at all wonderful in my being able to fix the locale
of your mystery. Indeed, I feel that I ought to apologize for it all
being so simple."

"I think," remarked Mr. Carlyle, critically examining the loose
threads on his left boot, "that the apology on that head would be more
appropriate from me."




THE KNIGHT'S CROSS SIGNAL PROBLEM


"Louis," exclaimed Mr. Carrados, with the air of genial gaiety that
Carlyle had found so incongruous to his conception of a blind man,
"you have a mystery somewhere about you! I know it by your step."

Nearly a month had passed since the incident of the false Dionysius
had led to the two men meeting. It was now December. Whatever Mr.
Carlyle's step might indicate to the inner eye it betokened to the
casual observer the manner of a crisp, alert, self-possessed man of
business. Carlyle, in truth, betrayed nothing of the pessimism and
despondency that had marked him on the earlier occasion.

"You have only yourself to thank that it is a very poor one," he
retorted. "If you hadn't held me to a hasty promise----"