phone rang in his ears; and all Perenna's authority, his ardent entreaties, his frenzied conviction—all this upset him. He had seen Perenna at work. He felt it borne in upon him that he had no right, in the present circumstances, to neglect the man's warning.
"Let's go," he said.
The words were spoken in the calmest manner; and it really seemed as if those who heard them regarded them merely as the sensible conclusion of a very ordinary state of affairs. They went away without hurry or disorder, not as fugitives, but as men deliberately obeying the dictates of prudence.
They stood back at the door to let the Prefect go first.
"No," he said, "go on; I'll follow you."
He was the last out, leaving the electric light full on.
In the hall he asked the chief detective to blow his whistle. When all the plain-clothesmen had assembled, he sent them out of the house together with the porter, and shut the door behind him. Then, calling the detectives who were watching the boulevard, he said:
"Let everybody stand a good distance away; push the crowd as far back as you can; and be quick about it. We shall enter the house again in half an hour."
"And you, Monsieur le Préfet?" whispered Mazeroux. "You won't remain here, I hope?"
"No, that I shan't!" he said, laughing. "If I take our friend Perenna's advice at all, I may as well take it thoroughly!"
"There is only two minutes left."
"Our friend Perenna spoke of three o'clock, not of two minutes to three. So"
He crossed the boulevard, accompanied by his secre-
