It is, of course, a mistake to judge of one's neighbour at first sight, but it seemed to me that the Baron Giraud only wanted a little courage to be a first-class scoundrel.

He fumbled in his pocket, glancing furtively at me the while.

At length he found a letter, which he handed to the Vicomte.
"I have received that," he said.

"It is anonymous, as you will see, and cleverly done.

There is absolutely no clue.