Guided by his voice, Javogues precipitated himself toward his enemy, but as his hand shot forth it stopped in mid-air, and he fell back in astonishment.

Dossonville, never losing his poise, with an imperceptible movement of his hand had rolled back the lapel of his redingote, disclosing on his breast the shield of an agent de sûreté.

"Impossible!" Javogues exclaimed, recoiling. "You an agent de sûreté! It's a counterfeit!"

Dossonville checked the second rush as coolly as the first. His hand went into his breast pocket and withdrew a document, which he tendered to Javogues on the tips of his fingers, saying:

"Read, and grow wise."

The Marseillais passed it to a companion, who shook his head and passed it to a third, who read in a piping voice:

Office of the Committee of Safety

The Citoyen Santerre having appeared before us and established the alibi of the Citoyen Dossonville on the day of the Tenth of August, we declare the Citoyen Dossonville innocent of all suspicion. Furthermore, as it appears he refused to disclose the nature of the secret mission, in the interests of the Nation, on which he was engaged, even at the risk of his life, we declare the Citoyen Dossonville a patriot who deserves the gratitude of his country.

We further appoint the said Citoyen Dossonville agent de sûreté, with the following powers—

"The rest is quite technical," Dossonville interrupted. He turned to Javogues, who, thus robbed of his dearest vengeance, remained transfixed with stupor. "You see, Citoyen Javogues, you cannot always tell a traitor by the look in his eyes."

Stung by the taunt, Javogues advanced furiously: