You know nothing--nothing, dear boy," said the Duke tauntingly.
"Dear boy ?" cried Guerchard triumphantly, as if the word had been a confession.
"What do I risk ?" said the Duke, with scathing contempt.

"Can you arrest me?
...

You can arrest Lupin ...

but arrest the Duke of Charmerace, an honourable gentleman, member of the Jockey Club, and of the Union, residing at his house, 34 B, University Street ...

arrest the Duke of Charmerace, the fiance of Mademoiselle Gournay-Martin ?" "Scoundrel!" cried Guerchard, pale with sudden, helpless fury.
"Well, do it," taunted the Duke.