Men are classed by Dr. Blumenbach under five great divisions, viz. the Caucasian, Mongolian, Ethiopian, American, and Malay. The Caucasian family may be asserted, though by its own members, to have been always pre-eminent above the rest in moral feelings and intellectual powers, and is remarkable for the large size of their heads. It need not be more minutely described, than by saying it includes all the ancient and modern Europeans, (except the Laplanders and Fins;) the former and present inhabitants of Western Asia as far as the Ob, the Caspian Sea, and the Ganges, viz. the Assyrians, Medes, Chaldeans, Sarmatians, Scythians, Parthians, Philistines, Phoenicians, Jews, and Syrians; the Tartars on the Caucasus, Georgians, Circassians, Mingrelians, Armenians, Turks, Persians, Arabs, Hindoos of high caste, Northern Africans, Egyptians, Abyssinians, and Guanches. They are supposed to have originally had brown hair and dark eyes. The Mongolian family is of an olive colour and black eyes, flat nose and face, small stature, black hair, no beard, and thick lips. It comprises the people of Central and Northern Asia, Thibet, Ava, Pegu, Cambodia, Laos, and Siam; the Chinese, Japanese, Fins, and Esquimaux. The Ethiopian family is black, with black and woolly hair, compressed skull, low forehead, flat nose, and thick lips. It includes all Africans not comprehended in the Caucasian family. The American family has a dark skin, a red tint, straight hair, a small beard, low forehead, and broad face. It includes all the American tribes, except the Esquimaux. The Malay family is brown, varying from a light tint to black. Their hair is black and curled, head narrow, bones of the face prominent, nose broad, and mouth large. They inhabit Malacca, Sumatra, Java, and the adjacent islands; Molucca, the Ladrones, New Holland, Van Dieman's Land, New Guinea, New Zealand, and the South Sea Islands. They speak generally the Malay language. The difference of character and disposition of these five families is familiar to every one; they are as well known as is the superiority of the Caucasian to the other races, and as the outward distinctions of their bodies and complexions. The reasons of this difference have been variously assigned, some ascribing it to natural, others altogether to moral causes. By natural causes we understand either that the constitutions of the races are such, that their capabilities of informing their minds, and raising their intellectual powers, are essentially not the same; or that the climate has an influence over both their bodies and minds. By moral causes, we mean artificial or accidental ones arising out of the state of society; such as the nature of the government, the plenty or poverty in which people live, a period of war or peace, the power of public opinion, and such circumstances.