They both went up to the lantern and read as follows:--
Come to me as soon as possible; you know the passwords.
Your affectionate
Petit-Pierre.
"To whom is that letter addressed?" asked the man in the cloak.
"To Mademoiselle Bertha de Souday."
"Her name is not on the cover, nor at the bottom of the page."
"Because a letter might be lost."
"And you are commissioned to deliver that letter?"
"Yes."