“I have no alternative, Mr. Cunningham,” said he. “I trust that this may all prove to be an absurd mistake, but you can see that⁠—Ah, would you? Drop it!” He struck out with his hand, and a revolver which the younger man was in the act of cocking clattered down upon the floor.

“Keep that,” said Holmes, quietly putting his foot upon it; “you will find it useful at the trial. But this is what we really wanted.” He held up a little crumpled piece of paper.

“The remainder of the sheet!” cried the Inspector.

“Precisely.”

“And where was it?”

412