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 which she had not sent him. He must have been surprised at the failure of his demand, hence his application at the Post Office, to learn whether his letter had been delivered to the person to whom it had been addressed. Finding that it had been claimed, he had become furious. What had he demanded? Nobody but Mademoiselle Stangerson knows. Then, on the day following, it is reported that she had been attacked during the night, and, the next day, I discovered that the Professor had, at the same time, been robbed by means of the key referred to in the poste restante letter. It would seem, then, that the man who went to the Post Office to inquire for the letter must have been the murderer. All these arguments Larsan applies as against Monsieur Darzac. You may be sure that the examining magistrate, Larsan, and myself, have done our best to get from the Post Office precise details relative to the singular personage who applied there on the 24th of October. But nothing has been learned. We don't know where he came from—or where he went. Beyond the description which makes him resemble Monsieur Darzac, we know nothing.

"I have announced in the leading journals that a handsome reward will be given to a driver of any public conveyance who drove a fare to No. 40, Post Office, about ten o'clock on the morning of the 24th of October. Information to be addressed to 'M. R.,' at the office of the 'Epoque'; but no answer has resulted.  The man may have walked; but, as he was most likely in a hurry, there was a chance that he might have gone in a