of a notable Chinese general of the day; and the Nü-chêns had to accept the Yang-tsze as the dividing line between the two powers.
The next seventy years were freely marked by raids, first of one side and then of the other; but by the close of the twelfth century the Mongols were pressing the Nü-chêns from the north, and the southern Sungs were seizing the opportunity to attack their old enemies from the south. Finally, in 1234, the independence of the Golden Dynasty of Nü-chêns was extinguished by Ogotai, third son of the great Genghis Khan, with the aid of the southern Sungs, who were themselves in turn wiped out by Kublai Khan, the first Mongol Emperor to rule over a united China.
The name of this wandering people, whose territory covers such a huge space on the map, has been variously derived from (1) moengel, celestial, (2) mong, brave, and (3) munku, silver, the last mentioned being favoured by some because of its relation to the iron and golden dynasties of the Kitans and Nü-chêns respectively.
Three centuries and a half must now pass away before entering upon the next act of the Manchu drama. The Nü-chêns had been scotched, but not killed, by their Mongol conquerors, who, one hundred and thirty-four years later (1368), were themselves driven out of China, a pure native dynasty being
