“Ah! yes, don’t you remember, Wilson, that it was at the very time you were in the pharmacy, suffering like a hero, that I discovered the clue to the whole mystery?”

“How lucky!”

The doors of the carriages were being closed.

“All aboard. Hurry up, gentlemen!”

The porter climbed into an empty compartment and placed their valises in the rack, whilst Sholmes assisted the unfortunate Wilson.

“What’s the matter, Wilson? You’re not done up, are you? Come, pull your nerves together.”

“My nerves are all right.”

“Well, what is it, then?”

“I have only one hand.”

“What of it?” exclaimed Sholmes, cheerfully. “You are not the only one who has had a broken arm. Cheer up!”