“Good heavens!” I cried. “It is marvellous.”

“I trust that age doth not wither nor custom stale my infinite variety,” said he, and I recognized in his voice the joy and pride which the artist takes in his own creation. “It really is rather like me, is it not?”

“I should be prepared to swear that it was you.”

“The credit of the execution is due to Monsieur Oscar Meunier, of Grenoble, who spent some days in doing the moulding. It is a bust in wax. The rest I arranged myself during my visit to Baker Street this afternoon.”

“But why?”

“Because, my dear Watson, I had the strongest possible reason for wishing certain people to think that I was there when I was really elsewhere.”

“And you thought the rooms were watched?”