site, however, had been already indicated by Cosmas, who wrote in the seventh century, and had been specified by him as occupying a continent east of China, beyond the ocean, and still watered by the four great rivers Pison, Gihon, Hiddekel, and Euphrates, which sprang from subterranean canals. In a map of the ninth century, preserved in the Strasbourg library, the terrestrial Paradise is, however, on the Continent, placed at the extreme east of Asia; in fact, is situated in the Celestial Empire. It occupies the same position in a Turin MS., and also in a map accompanying a commentary on the Apocalypse in the British Museum.
According to the fictitious letter of Prester John to the Emperor Emanuel Comnenus, Paradise was situated close to—within three days’ journey of—his own territories, but where those territories were, is not distinctly specified.
“The river Indus, which issues out of Paradise,” writes the mythical king, “flows among the plains, through a certain province, and it expands, embracing the whole province with its various windings: there are found emeralds, sapphires, carbuncles, topazes, chrysolites, onyx, beryl, sardius, and many other precious stones. There too grows