He walked around the office.

“Is this door closed at night?” he inquired.

“It is always locked.”

“And who keeps the key?”

“The office-boy, to whom I always give it in charge before leaving the bank,” said Prosper.

“This boy,” said M. Fauvel, “sleeps in the outer room on a sofa-bedstead, which he unfolds at night, and folds up in the morning.”

“Is he here now?” inquired the commissary.

“Yes, monsieur,” answered the banker.

He opened the door and called:

“Anselme!”