Prefatory note signed: A.G. Keller.

Fundamental notions of the folkways and of the mores -- Characteristics of the mores -- The struggle for existence -- Labor, wealth -- Societal selection -- Slavery -- Abortion, infanticide, killing the old -- Cannibalism -- Sex mores -- The marriage institution -- The social codes -- Incest -- Kinship, blood revenge, primitive justice, peace unions -- Uncleanness and the evil eye -- The mores can make anything right and prevent condemnation of anything -- Sacral harlotry, child sacrifice -- Popular sports, exhibitions, drama -- Asceticism -- Education, history -- Life policy, virtue vs. success.