the outlet. Thus he avoided the quadruple trap which was set for him in the darkness by the four labyrinths which we have just enumerated.
At a certain moment, he perceived that he was emerging from beneath the Paris which was petrified by the uprising, where the barricades had suppressed circulation, and that he was entering beneath the living and normal Paris. Overhead he suddenly heard a noise as of thunder, distant but continuous. It was the rumbling of vehicles.
He had been walking for about half an hour, at least according to the calculation which he made in his own mind, and he had not yet thought of rest; he had merely changed the hand with which he was holding Marius. The darkness was more profound than ever, but its very depth reassured him.
All at once, he saw his shadow in front of him. It was outlined on a faint, almost indistinct reddish glow, which vaguely empurpled the flooring vault underfoot, and the vault overhead, and gilded to his right and to his left the two viscous walls of the passage. Stupefied, he turned round.