He sprang out and asked the butler:

"Is Mlle. Levasseur in?"

"Yes, sir, she's in her room."

"She was away yesterday, wasn't she?"

"Yes, sir, she received a telegram asking her to go to the country to see a relation who was ill. She came back last night."

"I want to speak to her. Send her to me. At once."

"In the study, sir?"

"No, upstairs, in the boudoir next to my bedroom."

This was a small room on the second floor which had once been a lady's boudoir, and he preferred it to his study since the attempt at murder of which he had been the object. He was quieter up there, farther away; and he kept his important papers there. He always carried the key with him: a special key with three grooves to it and an inner spring.

Mazeroux had followed him into the courtyard and was keeping close behind him, apparently unobserved by Perenna, who having so far appeared not to notice it. He now, however, took the sergeant by the arm and led him to the front steps.