"And what then?" asked Sernine.
"What then? Don't you think we have occasion for a meeting?"
"Why?"
"I want to talk to you."
"What day will suit you?"
"To-morrow. Let us lunch together at a restaurant."
"Why not at your place?"
"You don't know my address."
"Yes, I do."
With a swift movement, the prince pulled out a newspaper protruding from Altenheim's pocket, a paper still in its addressed wrapper, and said: