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 296 the Rhaetian frontier; but, their hopes soon rising with success, the rapid march of the Alemanni traced a line of devastation from the Danube to the Po.

The emperor was almost at the same time informed of the irruption, and of the retreat, of the barbarians. Collecting an active body of troops, he marched with silence and celerity along the skirts of the Hercyniau forest; and the Alemanni, laden with the spoils of Italy, arrived at the Danube, without suspecting that, on the opposite bank, and in an advantageous post, a Roman army lay concealed and prepared to intercept their return. Aurelian indulged the fatal security of the barbarians, and permitted about half their forces to pass the river without disturbance and without precaution. Their situation and astonishment gave him an easy victory; his skilful conduct improved the advantage. Disposing the legions in a semicircular form, he advanced the two horns of the crescent across the Danube, and, wheeling them on a sudden towards the centre, inclosed the rear of the German host. The dismayed barbarians, on whatsoever side they cast their eyes, beheld with despair a wasted country, a deep and rapid stream, a victorious and implacable enemy.

Reduced to this distressed condition, the Alemanni no longer disdained to sue for peace. Aurelian received their ambassadors at the head of his camp, and with every circumstance of martial pomp that could display the greatness and discipline of Rome. The legions stood to their arms in well-ordered ranks and awful silence. The principal commanders, distinguished by the ensigns of their rank, appeared on horseback on either side of the Imperial throne. Behind the throne, the consecrated images of the emperor and his predecessors, the golden eagles, and the various titles of the legions, engraved in letters of gold, were exalted in the air on lofty pikes covered with silver. When Aurelian assumed his seat, his manly grace and majestic figure taught the barbarians to revere the person as well as the purple of their conqueror. The ambassadors fell prostrate on the ground in silence. They were commanded to rise, and permitted to