"No. 29, Villa Dupont."
"Well played!" said the other. "Then we'll say, to-morrow, at my place."
"To-morrow, at your place. At what time?"
"One o'clock."
"I shall be there. Good-bye."
They were about to walk away. Altenheim stopped:
"Oh, one word more, prince. Bring a weapon with you."
"Why?"
"I keep four men-servants and you will be alone."
"I have my fists," said Sernine. "We shall be on even terms."