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Rh coast of Guinea trended to the East, they remembered Prester John, and dreamed of finding a way to his fictitious realm which would afford convenient leverage for Christendom, at the back of the dark world that faced the Mediterranean.

As the trade of the country did not cover the outlay, Henry began in 1442 to capture negroes, who were imported as slaves, or sold with advantage to local chiefs. In five years, 927 blacks from Senegambia reached the Lisbon market; and, later on, the Guinea coast supplied about a thousand every year. That domestic institution was fast disappearing from Europe when it was thus revived; and there was some feeling against the Infante, and some temporary sympathy for his victims. On the other side, there were eminent divines who thought that the people of hot countries may properly be enslaved. Henry the Navigator applied to Rome, and Nicholas V. issued Bulls authorising him and his Portuguese to make war on Moors and pagans, seize their possessions, and reduce them to perpetual slavery, and prohibiting all Christian nations, under eternal penalties, from trespassing on the privilege. He applauded the trade in negroes, and hoped that it would end in their conversion. Negro slavery struck no deep root in Europe. But the delusion, says Las Casas, lasted to his own time, when, half a century after the death of its founder, it began to control the destinies of America.

Henry's brother, the Regent Dom Pedro, had visited the courts of Europe, and brought Marco Polo's glowing narrative of his travels in the Far East, still, in Yule's edition, one of the most fascinating books that can be found. Emmanuel the Great, in the Charter rewarding Vasco da Gama, affirms that, from 1433, the Infant pursued his operations with a view to India. After his death, in 1460, they were carried on by the State, and became a secondary purpose, dependent on public affairs. Africa was farmed out for some years, on condition that an hundred leagues of coast were traced annually. There was a moment of depression, when the Guinea coast, having