This paper adds comments and modifications to the author's previously published hypothesis on the phylogenetic importance of taboos of menstruation as the decisive executive of incestuous prohibitions and as the source of antisexual attitudes and cultural forces in man.1

Daly assumes that in the period of anarchy, following the murder of the primordial father, the severest restraints were put on the sexual activities of the individual members of society. The young women were prevented from