79:6.7

1. Genetic. Unlike their blue cousins in Europe, both the red and yellow races had largely escaped mixture with debased human stocks. The northern Chinese, already strengthened by small amounts of the superior red and Andonic strains, were soon to benefit by a considerable influx of Andite blood. The southern Chinese did not fare so well in this regard, and they had long suffered from absorption of the green race, while later on they were to be further weakened by the infiltration of the swarms of inferior peoples crowded out of India by the Dravidian-Andite invasion. And today in China there is a definite difference between the northern and southern races.