"I just noticed the title," replied Lefèvre, "though I'm nothing of a scholar and books don't interest me."

"What was the title?"

"Corinne," said the commissary of police.

Apparently M. le Procureur Impérial had come to the end of the questions which he desired to put to the worthy M. Lefèvre, for he said nothing more, but remained leaning back in his chair and gazing straight out of the window beside him. His pale, aristocratic profile looked almost like chiselled marble against the purple damask of the cushions. He seemed absorbed in thought, or else supremely bored; M. Lefèvre—nothing of a psychologist, despite his calling—could not have said which.

The ticking of the massive Louis XIV clock upon the mantelpiece and the sizzling of damp wood on the hearth alone broke the silence which reigned in the stately apartment. Through the closed window the manifold sounds which emanate from a busy city came discreet and subdued.

Instinctively M. Lefèvre's glance followed that of his chief: he, too, fell to gazing out of the window where only a few passers-by were seen hurrying homewards on this late dreary October afternoon. Suddenly he perceived the narrow, shrinking figure of the little Man in Grey gliding swiftly down the narrow street. The commissary of police smothered the savage oath which had risen to his lips: he turned to his chief, and even his obtuse perceptions were aroused by what he saw. M. le Procureur Impérial was no longer leaning back listlessly against the damask cushions: he was leaning forward, his fine, white hands clutching the arms of his chair. He, too, had apparently caught sight of the grey-clad figure, for his eyes, wide open and resentful, followed it as it glided along, and on his whole face there was such an expression of hatred and savagery that the worthy commissary felt unaccountably awed and subdued. Next moment, however, he thought he must have been dreaming, for M. de Saint-Tropèze had once more turned to him with that frigid urbanity which became his aristocratic personality so well.

"Well, my good Lefèvre," he said, "I don't really think that I can help you further in any way. I quite appreciate your mistrust of the obtrusive stranger, and personally I cannot avoid a suspicion that he will hamper you by interfering at a critical moment to-night during your expedition against the Chouans. He may just be the cause of their slipping through your fingers, which would be such a terrible pity now that you have gathered the net so skilfully around them."

Lefèvre rose, and with firm, deliberate movements tightened the belt around his portly waist, re-adjusted the set of his tunic, and generally contrived to give himself an air of determination and energy.

"I'll say nothing to the shrimp about our expedition to-night," he said with sullen resolution. "That is, unless you, Monsieur le Procureur, give me orders to do so."

"Oh, I?" rejoined M. de Saint-Tropèze carelessly. "I won't say anything one way or the other. The whole matter is out of my hands and you must act as you think best. Whatever happens," he added slowly and emphatically, "you will get no blame from me."