She made no reply. He went away, taking with him the uncomfortable impression that had lately marked his relations with Florence. The atmosphere between them always remained heavy and oppressive. Their words never seemed to express the private thoughts of either of them; and their actions did not correspond with the words spoken. Did not the circumstances logically demand the immediate dismissal of Florence Levasseur as well? Yet Don Luis did not so much as think of it.

Returning to his study, he at once rang up Mazeroux and, lowering his voice so as not to let it reach the next room, he said:

"Is that you, Mazeroux?"

"Yes."

"Has the Prefect placed you at my disposal?"

"Yes."

"Well, tell him that I have sacked all my servants and that I have given you their names and instructed you to have an active watch kept on them. We must look among them for Sauverand's accomplice. Another thing: ask the Prefect to give you and me permission to spend the night at Hippolyte Fauville's house."

"Nonsense! At the house on the Boulevard Suchet?"

"Yes, I have every reason to believe that something's going to happen there."

"What sort of thing?"