We have seen in the previous chapter that the most primitive peoples develop their own mode of social life and evolve their own carefully preserved customs and traditions, -- their own conceptions of what is good and what is bad, what is not to be done, and what is proper in different situations. In short, they evolve their own morality, their own Ethics. Part of such rules of conduct is placed under the protection of custom. Certain acts are to be avoided because they are "wrong" or "shameful"; they would indicate a physical weakness or a weakness of character. But there are also more serious offenses and sterner rules. He who breaks these rules not only displays undesirable traits of character, but also does hurt to his tribe. But the welfare of the tribe is being watched over by the "great multitude" of the dead ancestors, and if anyone breaks the rules of conduct established from generation to generation, the dead ancestors take revenge not only on the offen...