Brujon, of whom it is time to form a complete idea, was, with the appearance of a delicate complexion and a deeply premeditated languor, a polished, intelligent robber, who possessed a caressing look and an atrocious smile. His look was the result of his will, and his smile the result of his nature. His first studies in his art were directed to roofs; and he had given a great impulse to the trade of lead-stealers, who strip roofs and carry away gutters by the process called _au gras double_. What finally rendered the moment favorable for an attempted escape was that workmen were at this very moment engaged in relaying and re-tipping a part of the prison slates. The St. Bernard was not absolutely isolated from the Charlemagne and St. Louis yards, for there were on the roof scaffolding and ladders,--in other words, bridges and staircases, on the side of deliverance. The Bâtiment Neuf, which was the most cracked and decrepit affair possible to imagine, was the weak point of the prison. Saltpetre had so gnawed the walls that it had been found necessary to prop up and shore the ceilings of the dormitories; because stones became detached and fell on the prisoners' beds. In spite of this antiquity, the error was committed of confining in there the most dangerous prisoners, and placing in it the "heavy cases," as is said in the prison jargon. The Bâtiment Neuf contained four sleeping-wards, one above the other, and a garret-floor called "Le Bel Air." A large chimney-flue, probably belonging to some old kitchen of the Dues de la Force, started from the ground-floor, passed through the four stories, cut in two the sleeping-wards, in which it figured as a sort of flattened pillar, and issued through a hole in the roof. Gueulemer and Brujon were in the same ward, and had been placed through precaution on the ground-floor. Accident willed it that the head of their beds rested against the chimney-flue. Thénardier was exactly above their heads in the garret called Bel Air. The passer-by who stops in the Rue Culture Sainte Catherine, after passing the fire-brigade station, and in front of the bath-house gateway, sees a court-yard full of flowers and shrubs in boxes, at the end of which is a small white rotunda with two wings, enlivened by green shutters,--the bucolic dream of Jean Jacques. Not ten years ago there rose above this rotunda a black, enormous, frightful, naked wall, which was the outer wall of La Force. This wall behind this rotunda was like a glimpse of Milton caught behind Berquin. High though it was, this wall was surmounted by an even blacker roof, which could be seen beyond,--it was the roof of the Bâtiment Neuf.