IV: The Duke IntervenesThe Duke rose, came to the window, and looked at the broken pane. He stepped out on to the terrace and looked at the turf; then he came back into the room.
"This looks serious," he said. "That pane has not been broken at all. If it had been broken, the pieces of glass would be lying on the turf. It has been cut out. We must warn your father to look to his treasures."
"I told you so," said Germaine. "I said that Arsene Lupin was in the neighbourhood."
"Arsene Lupin is a very capable man," said the Duke, smiling. "But there's no reason to suppose that he's the only burglar in France or even in Ile–et–Vilaine."
"I'm sure that he's in the neighbourhood. I have a feeling that he is," said Germaine stubbornly.
The Duke shrugged his shoulders, and said a smile: "Far be
