196,) the Historia Miscella, (l.xvi.p.

109,) and Gregory of Tours, (L iv.c.23, 29, in the Historians of France, tom.ii.p.214, 217.)] Perhaps the apparent change in the dispositions of the emperors may be ascribed to the embassy which was received from the conquerors of the Avars.

[35] The immense distance which eluded their arms could not extinguish their resentment: the Turkish ambassadors pursued the footsteps of the vanquished to the Jaik, the Volga, Mount Caucasus, the Euxine and Constantinople, and at length appeared before the successor of Constantine, to request that he would not espouse the cause of rebels and fugitives.

Even commerce had some share in this remarkable negotiation: and the Sogdoites, who were now the tributaries of the Turks, embraced the fair occasion of opening, by the north of the Caspian, a new road for the importation of Chinese silk into the Roman empire.

The Persian, who preferred the navigation of Ceylon, had stopped the caravans of Bochara and Samarcand: their silk was contemptuously burnt: some Turkish ambassadors died in Persia, with a suspicion of poison; and the great khan permitted his faithful vassal Maniach, the prince of the Sogdoites, to propose, at the Byzantine court, a treaty of alliance against their common enemies.