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 those disasters to which thej consider themselves as at all times exposed. This is said to be a common practice in Turkey, in Hindustan, and, I believe, in most other governments of Asia. It seems to have been a common practice among our ancestors during the violence of the feudal government. Treasure-trove was in those times considered as no contemptible part of the revenue of the greatest sovereigns in Europe. It consisted in such treasure as was found concealed in the earth, and to which no particular person could prove any right. This was regarded in those times as so important an object that it was always considered as belonging to the sovereign, and neither to the finder nor to the proprietor of the land, unless the right to it had been conveyed to the latter by an express clause in his charter. It was put upon the same footing with gold and silver mines, which, without a special clause in the charter, were never supposed to be comprehended in the general grant of the lands, though mines of lead, copper, tin, and coal were, as things of smaller consequence.

T HAS been shown in the first Book, that the price of the greater part of commodities resolves itself into three parts, of which one pays the wages of the labor, another the profits of the stock, and a third the rent of the land which had been employed in producing and bringing them to market; that there are, indeed, some commodities of which