A cab had driven up whilst the American had been talking. Two uniformed policemen sat inside. Inspector Martin rose and touched his prisoner on the shoulder.

“It is time for us to go.”

“Can I see her first?”

“No, she is not conscious. Mr. Sherlock Holmes, I only hope that if ever again I have an important case, I shall have the good fortune to have you by my side.”

We stood at the window and watched the cab drive away. As I turned back, my eye caught the pellet of paper which the prisoner had tossed upon the table. It was the note with which Holmes had decoyed him.

“See if you can read it, Watson,” said he, with a smile.

It contained no word, but this little line of dancing men: