THE MYSTERY OF THE YELLOW ROOM
sentence of the presbytery and the bright garden sufficed to open the gate of the château. If you ask me if I believe now that Monsieur Darzac is the murderer, I must say I do not. I do not think I ever quite thought that. At the time I could not really think seriously of anything. I had so little evidence to go on. But I needed to have at once the proof that he had not been wounded in the hand.
"When we were alone together, I told him how I had chanced to overhear a part of his conversation with Mademoiselle Stangerson in the garden of the Elysée; and when I repeated to him the words, 'Must I commit a crime, then, to win you?' he was greatly troubled, though much less so than he had been by hearing me repeat the phrase about the presbytery. What threw him into a state of real consternation was to learn from me that the day on which he had gone to meet Mademoiselle Stangerson at the Elysée, was the very day on which she had gone to the Post Office for the letter. It was that letter, perhaps, which ended with the words: 'The presbytery has lost nothing of its charm, nor the garden its brightness.' My surmise was confirmed by my finding, if you remember, in the ashes of the laboratory, the fragment of paper dated October the 23rd. The letter had been written and withdrawn from the Post Office on the same day.
"There can be no doubt that, on returning from the Elysée that night, Mademoiselle Stangerson had tried to destroy that compromising paper. It was in vain that Monsieur Darzac denied that
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