high opinion of you, and thought that you were the one man in London who could help him.”
The little man started, and the jaunty smoking-cap slid to the floor.
“Why?” he asked. “Why should Mr. Holmes think that I could help him in his trouble?”
“Because of your knowledge of Eastern diseases.”
“But why should he think that this disease which he has contracted is Eastern?”
“Because, in some professional inquiry, he has been working among Chinese sailors down in the docks.”
Mr. Culverton Smith smiled pleasantly and picked up his smoking-cap.
“Oh, that’s it—is it?” said he. “I trust the matter is not so grave as you suppose. How long has he been ill?”
“About three days.”
“Is he delirious?”
“Occasionally.”
“Tut, tut! This sounds serious. It would be inhuman not to answer his call. I very much resent any interruption to my work, Dr. Watson, but this case is certainly exceptional. I will come with you at once.”
I remembered Holmes’s injunction.
“I have another appointment,” said I.
“Very good. I will go alone. I have a note
