Explanation:

 1.  Hwang Ho or Yellow River (4,830 km) long, rising in the twin lakes Gyaring and Ngoring in the Kunlun Mts., NW Qinghai prov., and flowing generally east into the "great northern bend" (around the Ordos Desert), then east again to the Bohai, an arm of the Yellow Sea.

2.  The Yangtze known in China as the Cháng Jiang or the Yángzi Jiang is the longest river in Asia and the third-longest in the world.

3.  Xi Jang is the second largest river system in China, the Xi Jiang (or Pearl River) has three main tributaries: the Xi Jiang, the Beijang, and the Dongjiang.

4.  SI KIANG, a river of south China, rising in the plateau of Yunnan, on land over 6,000 ft. above sea-level