Monsieur Vermoncey put on his hat and hastened downstairs, followed by Paul. When they were in the street, he looked anxiously at the messenger, and said:

"You know where this duel is to take place, do you not?"

"No, monsieur; they did not tell me that."

"What! his friend did not tell you?"

"No, I suppose he didn't think of it; and it didn't occur to me to ask him."

"What a misfortune! Where are we to go, then? where shall we find them?"

"One moment, monsieur; they were in a cab in front of the Café de Paris; they have not gone to the Bois de Boulogne, for the cab drove away rapidly in the direction of Porte Saint-Denis."

"Then they must be at Vincennes; yes, that must be the place. We will go there. Isn't that a cab yonder? just call it."

"Yes, monsieur."

Paul ran to call the cab; Monsieur Vermoncey stepped in, and said to the messenger: