“Don’t trouble yourself about it, Mr. Sholto,” said Holmes. “I think that I can engage to clear you of the charge.”

“Don’t promise too much, Mr. Theorist⁠—don’t promise too much!” snapped the detective. “You may find it a harder matter than you think.”

“Not only will I clear him, Mr. Jones, but I will make you a free present of the name and description of one of the two people who were in this room last night. His name, I have every reason to believe, is Jonathan Small. He is a poorly-educated man, small, active, with his right leg off, and wearing a wooden stump which is worn away upon the inner side. His left boot has a coarse, square-toed sole, with an iron band round the heel. He is a middle-aged man, much sunburned, and has been a convict. These few indications may be of some assistance to you, coupled with the fact that there is a good deal of skin missing from the palm of his hand. The other man⁠—”