is not always applicable. Where physical repulsion, usually grounded on a difference of colour, exists, sometimes even where a sentimental repulsion grounded on difference of faith exists, the two races will not mix their blood, but remain confronting one another as distinct and unfriendly bodies.
These cases of Contact without Fusion arise in three ways. Sometimes an Advanced Race conquers a territory inhabited by a race far beneath itself in military force, and rules that territory as a dependency without settling its own people there. This happens in the case of tropical countries, which are either ill-suited to the natives of cold climates or are already thickly peopled. The conspicuous instance is India, to which England sends no more of her children than are needed to administer and to garrison it, to plead causes and supervise commercial business. Java under the Dutch, Madagascar under the French, East Africa under the Germans, Luzon under the Americans, are other familiar examples.
Another class of cases arises when into a country already inhabited by a civilized people there come in quest of work groups of immigrants belonging to a much more backward race which has begun to overflow its own borders. The influx of the Chinese into Western America and Australia is the most familiar but not the only instance.
Thirdly, there are the cases in which an Advanced and a Backward race find themselves living side by side in large masses upon the same soil, having entered it at different times. Instances are found in the former
