Sir Arthur Conan Doyle: A Study in Scarlet

PART I. 2. CHAPTER II. THE SCIENCE OF DEDUCTION. (continued)

"For Mr. Sherlock Holmes," he said, stepping into the room and handing my friend the letter.

Here was an opportunity of taking the conceit out of him. He little thought of this when he made that random shot. "May I ask, my lad," I said, in the blandest voice, "what your trade may be?"

"Commissionaire, sir," he said, gruffly. "Uniform away for repairs."

"And you were?" I asked, with a slightly malicious glance at my companion.

"A sergeant, sir, Royal Marine Light Infantry, sir. No answer? Right, sir."

He clicked his heels together, raised his hand in a salute, and was gone.