Coptos, fortified by the alliance of the Blemmyes, still maintained an obscure rebellion. The chastisement of those cities, and of their auxiliaries the savages of the South, is said to have alarmed the court of Persia, and the Great King sued in vain for the friendship of Probus. Most of the exploits which distinguished his reign were achieved by the personal valor and conduct of the emperor, insomuch that the writer of his life expresses some amazement how, in so short a time, a single man could be present in so many distant wars. The remaining actions he intrusted to the care of his lieutenants, the judicious choice of whom forms no inconsiderable part of his glory. Carus, Diocletian, Maximian, Constantius, Galerius, Asclepiodatus, Annibalianus, and a crowd of other chiefs, who afterwards ascended or supported the throne, were trained to arms in the severe school of Aurelian and Probus.

But the most important service which Probus rendered to the republic was the deliverance of Gaul, and the recovery of seventy flourishing cities oppressed by the barbarians of Germany, who, since the death of Aurelian, had ravaged that great province with impunity. Among the various multitude of those fierce invaders we may distinguish, with some degree of clearness, three great armies, or rather nations, successively vanquished by the valor of Probus. He drove back the Franks into their morasses; a descriptive circumstance from whence we may infer, that the confederacy known by the manly appellation of Free, already occupied the flat maritime country, intersected and almost overflown by the stagnating waters of the Rhine, and that several tribes of the Frisians and Batavians had acceded to their alliance. He vanquished the Burgundians, a considerable people of the Vandalic race. * They had wandered in quest of booty from the banks of the Oder to those of the Seine. They esteemed themselves sufficiently fortunate to purchase, by the restitution of all their booty, the permission of an undisturbed retreat. They attempted to elude that article of the treaty. Their punishment was immediate and terrible. But of all the invaders of Gaul, the most formidable were the Lygians, a distant people, who reigned over a wide domain on the frontiers of Poland and Silesia. In the Lygian nation, the Arii held the first rank by their numbers and fierceness. "The Arii" (it is thus that they are described by the energy of Tacitus) "study to improve by art and circumstances the innate terrors of their barbarism. Their shields are black, their bodies are painted black. They choose for the combat the darkest hour of the night. Their host advances, covered as it were with a funeral shade; nor do they often find an enemy capable of sustaining so strange and infernal an aspect. Of all our senses, the eyes are the first vanquished in battle." Yet the arms and discipline of the Romans easily discomfited these horrid phantoms. The Lygii were defeated in a general engagement, and Semno, the most renowned of their chiefs, fell alive into the hands of Probus. That prudent emperor, unwilling to reduce a brave people to despair, granted them an honorable capitulation, and permitted them to return in safety to their native country. But the losses which they suffered in the march, the battle, and the retreat, broke the power of the nation: nor is the Lygian name ever repeated in the history either of Germany or of the empire. The deliverance of Gaul is reported to have cost the lives of four hundred thousand of the invaders; a work of labor to the Romans, and of expense to the emperor, who gave a piece of gold for the head of every barbarian. But as the fame of warriors is built on the destruction of human kind, we may naturally suspect, that the sanguinary account was multiplied by the avarice of the soldiers, and accepted without any very severe examination by the liberal vanity of Probus.

Since the expedition of Maximin, the Roman generals had confined their ambition to a defensive war against the nations of Germany, who perpetually pressed on the frontiers of the empire. The more daring Probus pursued his Gallic victories, passed the Rhine, and displayed his invincible eagles on the banks of the Elbe and the Necker. He was fully convinced that nothing could reconcile the minds of the barbarians to peace, unless they experienced, in their own country, the calamities of war. Germany, exhausted by the ill success of the last emigration, was astonished by his presence. Nine of the most considerable princes repaired to his camp, and fell prostrate at his feet. Such a treaty was humbly received by the Germans, as it pleased the conqueror to dictate. He exacted a strict restitution of the effects and captives which they had carried away from the provinces; and obliged their own magistrates to punish the more obstinate robbers who presumed to detain any part of the spoil. A considerable tribute of corn, cattle, and horses, the only wealth of barbarians, was reserved for the use of the garrisons which Probus established on the limits of their territory. He even entertained some thoughts of compelling the Germans to relinquish the exercise of arms, and to trust their differences to the justice, their safety to the power, of Rome. To accomplish these salutary ends, the constant residence of an Imperial governor, supported by a