The newcomer on entering had thrown a quick glance around, and catching sight of the emperor standing upon the edge of the choir, he at once made his way to the imperial presence.

"Count Nesselrode! you here! How is this?" asked the Czar, perceiving plainly that trouble was in the air.

"A despatch from the Court of St. James's, requiring your Majesty's immediate attention," replied Nesselrode, sinking upon one knee as he presented the document. "On receiving it from the British ambassador, I instantly set off for Zamoska, travelling day and night; and, learning on my arrival there that you would be found in the cathedral of Slavowitz, I have hastened hither. A grave despatch, your Majesty," he added in a lower tone, "a despatch affecting this very principality. Hence my haste to deliver it to you."

The emperor sat down again, broke the seal of the envelope, unfolded the despatch, and proceeded to read it with a darkening countenance.

The only person in the cathedral whose eyes were not set upon the Czar at this particular juncture was Zabern, who was himself occupied in the reading of two very interesting documents which had just been put into his hands.

During the course of the duel there had entered the cathedral the chief of the Police Bureau, who had personally taken upon himself to investigate matters relative to the murder of Cardinal Ravenna. His search in the archiepiscopal palace had resulted in the finding of certain papers, so extraordinary in their character that the police-official felt constrained to hasten at once to Zabern with the news of his discovery. The sight of the duel had kept him dumb and motionless, but as soon as it was over he had hurried to the side of Zabern.

"Marshal," he whispered, "what name did the Czar give to our princess?"

"Barbara Lilieska. That is her true name, Casimir."

"Then these papers do not depose her?" said the chief of the police, exhibiting what he had found.

"Depose her?" repeated Zabern, as he ran his delighted eye over the document. "By the soul of Sobieski, you could not have brought a more acceptable gift to her Highness. This will—"