He left behind him the Rue de la Clef, then the Fountain Saint-Victor, skirted the Jardin des Plantes by the lower streets, and reached the quay. There he turned round. The quay was deserted. The streets were deserted. There was no one behind him. He drew a long breath.

He gained the Pont d’Austerlitz.

Tolls were still collected there at that epoch.

He presented himself at the toll office and handed over a sou.

“It is two sous,” said the old soldier in charge of the bridge. “You are carrying a child who can walk. Pay for two.”

He paid, vexed that his passage should have aroused remark. Every flight should be an imperceptible slipping away.