Your hand stole towards your own old wound and a smile quivered on your lips, which showed me that the ridiculous side of this method of settling international questions had forced itself upon your mind. At this point I agreed with you that it was preposterous and was glad to find that all my deductions had been correct.”

“Absolutely!” said I. “And now that you have explained it, I confess that I am as amazed as before.”

“It was very superficial, my dear Watson, I assure you. I should not have intruded it upon your attention had you not shown some incredulity the other day. But I have in my hands here a little problem which may prove to be more difficult of solution than my small essay in thought reading. Have you observed in the paper a short paragraph referring to the remarkable contents of a packet sent through the post to Miss Cushing, of Cross Street, Croydon?”

“No, I saw nothing.”