In this shipwreck of nations, some surprise may be excited by the escape of the Roman empire, whose relics, at the time of the Mogul invasion, were dismembered by the Greeks and Latins. Less potent than Alexander, they were pressed, like the Macedonian, both in Europe and Asia, by the shepherds of Scythia; and had the Tartars undertaken the siege, Constantinople must have yielded to the fate of Pekin, Samarcand, and Bagdad. The glorious and voluntary retreat of Batou from the Danube was insulted by the vain triumph of the Franks and Greeks; 34 and in a second expedition death surprised him in full march to attack the capital of the Cæsars. His brother Borga carried the Tartar arms into Bulgaria and Thrace; but he was diverted from the Byzantine war by a visit to Novogorod, in the fifty-seventh degree of latitude, where he numbered the inhabitants and regulated the tributes of Russia. The Mogul khan formed an alliance with the Mamalukes against his brethren of Persia: three hundred thousand horse penetrated through the gates of Derbend; and the Greeks might rejoice in the first example of domestic war. After the recovery of Constantinople, Michael Palæologus, 35 at a distance from his court and army, was surprised and surrounded in a Thracian castle, by twenty thousand Tartars. But the object of their march was a private interest: they came to the deliverance of Azzadin, the Turkish sultan; and were content with his person and the treasure of the emperor. Their general Noga, whose name is perpetuated in the hordes of Astracan, raised a formidable rebellion against Mengo Timour, the third of the khans of Kipzak; obtained in marriage Maria, the natural daughter of Palæologus; and guarded the dominions of his friend and father. The subsequent invasions of a Scythian cast were those of outlaws and fugitives: and some thousands of Alani and Comans, who had been driven from their native seats, were reclaimed from a vagrant life, and enlisted in the service of the empire. Such was the influence in Europe of the invasion of the Moguls. The first terror of their arms secured, rather than disturbed, the peace of the Roman Asia. The sultan of Iconium solicited a personal interview with John Vataces; and his artful policy encouraged the Turks to defend their barrier against the common enemy. 36 That barrier indeed was soon overthrown; and the servitude and ruin of the Seljukians exposed the nakedness of the Greeks. The formidable Holagou threatened to march to Constantinople at the head of four hundred thousand men; and the groundless panic of the citizens of Nice will present an image of the terror which he had inspired. The accident of a procession, and the sound of a