after a long journey, and, at his first audience, respectfully unfolded the silken veil which covered the haughty epistle of his sovereign. Sapor, King of Kings, and Brother of the Sun and Moon, (such were the lofty titles affected by Oriental vanity,) expressed his satisfaction that his brother, Constantius Cæsar, had been taught wisdom by adversity. As the lawful successor of Darius Hystaspes, Sapor asserted, that the River Strymon, in Macedonia, was the true and ancient boundary of his empire; declaring, however, that as an evidence of his moderation, he would content himself with the provinces of Armenia and Mesopotamia, which had been fraudulently extorted from his ancestors. He alleged, that, without the restitution of these disputed countries, it was impossible to establish any treaty on a solid and permanent basis; and he arrogantly threatened, that if his ambassador returned in vain, he was prepared to take the field in the spring, and to support the justice of his cause by the strength of his invincible arms. Narses, who was endowed with the most polite and amiable manners, endeavored, as far as was consistent with his duty, to soften the harshness of the message. Both the style and substance were maturely weighed in the Imperial council, and he was dismissed with the following answer: "Constantius had a right to disclaim the officiousness of his ministers, who had acted without any specific orders from the throne: he was not, however, averse to an equal and honorable treaty; but it was highly indecent, as well as absurd, to propose to the sole and victorious emperor of the Roman world, the same conditions of peace which he had indignantly rejected at the time when his power was contracted within the narrow limits of the East: the chance of arms was uncertain; and Sapor should recollect, that if the Romans had sometimes been vanquished in battle, they had almost always been successful in the event of the war." A few days after the departure of Narses, three ambassadors were sent to the court of Sapor, who was already returned from the Scythian expedition to his ordinary residence of Ctesiphon. A count, a notary, and a sophist, had been selected for this important commission; and Constantius, who was secretly anxious for the conclusion of the peace, entertained some hopes that the dignity of the first of these ministers, the dexterity of the second, and the rhetoric of the third, would persuade the Persian monarch to abate of the rigor of his demands. But the progress of their negotiation was opposed and defeated by the hostile arts of Antoninus, a Roman subject of Syria, who had fled from oppression, and was admitted into the councils of Sapor, and even to the royal table, where, according to the custom of the Persians, the most important business was frequently discussed. The dexterous fugitive promoted his interest by the same conduct which gratified his revenge. He incessantly urged the ambition of his new master to embrace the favorable opportunity when the bravest of the Palatine troops were employed with the emperor in a distant war on the Danube. He pressed Sapor to invade the exhausted and defenceless provinces of the East, with the numerous armies of Persia, now fortified by the alliance and accession of the fiercest Barbarians. The ambassadors of Rome retired without success, and a second embassy, of a still more honorable rank, was detained in strict confinement, and threatened either with death or exile.

The military historian, who was himself despatched to observe the army of the Persians, as they were preparing to construct a bridge of boats over the Tigris, beheld from an eminence the plain of Assyria, as far as the edge of the horizon, covered with men, with horses, and with arms. Sapor appeared in the front, conspicuous by the splendor of his purple. On his left hand, the place of honor among the Orientals, Grumbates, king of the Chionites, displayed the stern countenance of an aged and renowned warrior. The monarch had reserved a similar place on his right hand for the king of the Albanians, who led his independent tribes from the shores of the Caspian. * The satraps and generals were distributed according to their several ranks, and the whole army, besides the numerous train of Oriental luxury, consisted of more than one hundred thousand effective men, inured to fatigue, and selected from the bravest nations of Asia. The Roman deserter, who in some measure guided the councils of Sapor, had prudently advised, that, instead of wasting the summer in tedious and difficult sieges, he should march directly to the Euphrates, and press forwards without delay to seize the feeble and wealthy metropolis of Syria. But the Persians were no sooner advanced into the plains of Mesopotamia, than they discovered that every precaution had been used which could retard their progress, or defeat their design. The inhabitants, with their cattle, were secured in places of strength, the green forage throughout the country was set on fire, the fords of the rivers were fortified by sharp stakes; military engines were planted on the opposite banks, and a seasonable swell of the waters of the Euphrates deterred the Barbarians from attempting the ordinary passage of the bridge of Thapsacus. Their skilful guide, changing his plan of operations,