with the productions and manufactures of their own country, silver, on the side of the Romans, was the principal, if not the only * instrument of commerce. It was a complaint worthy of the gravity of the senate, that, in the purchase of female ornaments, the wealth of the state was irrecoverably given away to foreign and hostile nations. The annual loss is computed, by a writer of an inquisitive but censorious temper, at upwards of eight hundred thousand pounds sterling. Such was the style of discontent, brooding over the dark prospect of approaching poverty. And yet, if we compare the proportion between gold and silver, as it stood in the time of Pliny, and as it was fixed in the reign of Constantine, we shall discover within that period a very considerable increase. There is not the least reason to suppose that gold was become more scarce; it is therefore evident that silver was grown more common; that whatever might be the amount of the Indian and Arabian exports, they were far from exhausting the wealth of the Roman world; and that the produce of the mines abundantly supplied the demands of commerce. Notwithstanding the propensity of mankind to exalt the past, and to depreciate the present, the tranquil and prosperous state of the empire was warmly felt, and honestly confessed, by the provincials as well as Romans. "They acknowledged that the true principles of social life, laws, agriculture, and science, which had been first invented by the wisdom of Athens, were now firmly established by the power of Rome, under whose auspicious influence the fiercest barbarians were united by an equal government and common language. They affirm, that with the improvement of arts, the human species were visibly multiplied. They celebrate the increasing splendor of the cities, the beautiful face of the country, cultivated and adorned like an immense garden; and the long