Then he spat upon the ground and added spitefully: "Aristos, what? In fine clothes—like yourself, citizen...."

"Which way did they go?"

"Down the Ruelle des Jacobins."

"When?"

"Two minutes ago."

"Why did you not follow them?... Aristos and...."

"I would have followed," retorted Paul Friche with studied insolence; "'twas you called me away from my duty."

"After them then!" urged Chauvelin peremptorily. "They cannot have gone far. They are English spies, and remember, citizen, that there's a reward for their apprehension."

The man grunted an eager assent. The word "reward" had fired his zeal. In a trice he had called to his mates and the three Marats soon sped across the Place and down the Ruelle des Jacobins where the surrounding gloom quickly swallowed them up.

Chauvelin watched them till they were out of sight, then he rejoined his colleague on the landing at the top of the stairs. For a second or two longer the click of the men's sabots upon the stones resounded on the adjoining streets and across the Place, and suddenly that same quaint, merry, somewhat inane laugh woke the echoes of the grim buildings around and caused many a head to turn inquiringly, marvelling who it could be that had the heart to laugh these days in the streets of Nantes.