“A rude fellow,” said our guide, flushing with anger as we withdrew down the stair. “Of course, he did not realize that it was I who was knocking, but none the less his conduct was very uncourteous, and, indeed, under the circumstances rather suspicious.”

Holmes’s response was a curious one.

“Can you tell me his exact height?” he asked.

“Really, Mr. Holmes, I cannot undertake to say. He is taller than the Indian, not so tall as Gilchrist. I suppose five foot six would be about it.”

“That is very important,” said Holmes. “And now, Mr. Soames, I wish you good night.”