“The mouse-trap is open. The cats are there.”

He lowered his voice still further, and said:—

“Put this in the fire.”

Marius heard a sound of charcoal being knocked with the tongs or some iron utensil, and Jondrette continued:—

“Have you greased the hinges of the door so that they will not squeak?”

“Yes,” replied the mother.

“What time is it?”

“Nearly six. The half-hour struck from Saint-Médard a while ago.”

“The devil!” ejaculated Jondrette; “the children must go and watch. Come you, do you listen here.”

A whispering ensued.