acknowledged the sovereignty of Rome. The desponding troops obeyed the signal of the retreat, only seventy days after they had passed the Chaboras, with the sanguine expectation of subverting the throne of Persia. As long as the Romans seemed to advance into the country, their march was observed and insulted from a distance, by several bodies of Persian cavalry; who, showing themselves sometimes in loose, and sometimes in close order, faintly skirmished with the advanced guards. These detachments were, however, supported by a much greater force; and the heads of the columns were no sooner pointed towards the Tigris than a cloud of dust arose on the plain. The Romans, who now aspired only to the permission of a safe and speedy retreat, endeavored to persuade themselves, that this formidable appearance was occasioned by a troop of wild asses, or perhaps by the approach of some friendly Arabs. They halted, pitched their tents, fortified their camp, passed the whole night in continual alarms; and discovered at the dawn of day, that they were surrounded by an army of Persians. This army, which might be considered only as the van of the Barbarians, was soon followed by the main body of cuirassiers, archers, and elephants, commanded by Meranes, a general of rank and reputation. He was accompanied by two of the king's sons, and many of the principal satraps; and fame and expectation exaggerated the strength of the remaining powers, which slowly advanced under the conduct of Sapor himself. As the Romans continued their march, their long array, which was forced to bend or divide, according to the varieties of the ground, afforded frequent and favorable opportunities to their vigilant enemies. The Persians repeatedly charged with fury; they were repeatedly repulsed with firmness; and the action at Maronga,