“No, sir, we could find no pipe. Indeed, he smoked very little, and yet he might have kept some tobacco for his friends.”

“No doubt. I only mention it because, if I had been handling the case, I should have been inclined to make that the starting-point of my investigation. However, my friend, Dr. Watson, knows nothing of this matter, and I should be none the worse for hearing the sequence of events once more. Just give us some short sketches of the essentials.”

Stanley Hopkins drew a slip of paper from his pocket.