"And to the apartment on the ground floor of that house?"

"Yes."

"I rang that bell three times, but no one answered it."

"I occupy that apartment," said the commander, greatly surprised. "What do you want?"

"Here is a very important letter for a Madame Barbançon, who, I am told, lives here."

"Yes, she does live here," replied the veteran, more and more surprised.

Then, seeing the housekeeper at the other end of the garden, he called out to her:

"Mother Barbançon, the door-bell has rung three times, unanswered, while you've been trespassing upon my preserves. Come quick! Here is a letter for you."

CHAPTER IV.
THE DUCHESS.

Madame Barbançon promptly responded to this peremptory summons, and, after a hasty apology to her employer, said to the waiting servant: