Yes, yes, I swear it will. Ten days after the fourth letter means now, because there has been a ten days' delay in the delivery of the letters. It means now, at three o'clock in the morning. Remember what was written on the sheet which Deputy Chief Weber handed you this morning: 'The explosion is independent of the letters. It will take place at three o'clock in the morning.' At three o'clock in the morning, to-day, Monsieur le Préfet!" The voice faltered and then continued:
"Go away, please. Let no one remain in the house. You must believe me. I know everything about the business. And nothing can prevent the threat from being executed. Go, go, go! This is horrible; I feel that you do not believe me—and I have no strength left. Go away, every one of you!"
He said a few more words which M. Desmalions could not make out. Then the voice ceased; and, though the Prefect still heard cries, it seemed to him that those cries were distant, as though the instrument were no longer within the reach of the mouth that uttered them.
He hung up the receiver.
"Gentlemen," he said, with a smile, "it is seventeen to three. In seventeen minutes we shall all be blown up together. At least, that is what our good friend Don Luis Perenna declares."
In spite of the jokes with which this threat was met, there was a general feeling of uneasiness. Weber asked:
"Was it really Don Luis, Monsieur le Préfet?"
"Don Luis in person. He has gone to earth in some hiding-hole in his house, above the study; and his fatigue and privations seem to have unsettled him a little. Maze-
