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238 after a wearisome journey and a perilous navigation, received so inadequate a compensation that they would have chosen the alternative of delivering both the corn and price at the doors of their granaries. These precautions might indicate a tender solicitude for the welfare of the capital; yet Constantinople did not escape the rapacious despotism of Justinian. Till his reign, the straits of the Bosphorus and Hellespont were open to the freedom of trade, and nothing was prohibited except the exportation of arms for the service of the Barbarians. At each of these gates of the city, a prætor was stationed, the minister of Imperial avarice; heavy customs were imposed on the vessels and their merchandize; the oppression was retaliated on the helpless consumer; the poor were afflicted by the artificial scarcity and exorbitant price of the market; and a people, accustomed to depend on the liberality of their prince, might sometimes complain of the deficiency of water and bread. The aerial tribute, without a name, a law, or a definite object, was an annual gift of one hundred and twenty thousand pounds, which the emperor accepted from his Prætorian præfect; and the means of payment were abandoned to the discretion of that powerful magistrate. IV. Even such a tax was less intolerable than the privilege of monopolies, which checked the fair competition of industry, and, for the sake of a small and dishonest gain, imposed an arbitrary burthen on the wants and luxury of the subject. "As soon (I transcribe the Anecdotes) as the exclusive sale of silk was usurped by the Imperial treasurer, a whole people, the manufacturers of Tyre and Berytus, was reduced to extreme misery, and either perished with hunger or fled to the hostile dominions of Persia." A province might suffer by the decay of its manufactures, but in this example of silk Procopius has partially overlooked the inestimable and lasting benefit which the empire received from the curiosity of Justinian. His addition of one-seventh to the ordinary price of copper money may be interpreted with the same candour; and the alteration, which might be wise, appears to have been innocent; since he neither alloyed the purity, nor enhanced the value, of the gold coin, the legal measure of public and