Kype and/or characteristics that could be of importance in inter- and intra-sexual evaluations of individual quality. The size of the kype is believed to determine male spawning frequency. The extinct sabertooth salmon, "Oncorhynchus rastrosus", was first named for its prominent premaxillary dentition. It possesses an enormous conical tooth on each premaxilla. There is no visible kype on the dentary, implying a different strategy for forming mate dominance. Kype A kype is a hook-like secondary sex characteristic which develops at the distal tip of the lower jaw in some male salmonids prior to the spawning season. The structure usually develops in the
The Myth of Male Power would eventually apply in his subsequent books—books on communication ("Women Can’t Hear What Men Don’t Say"), parenting ("Father and Child Reunion"), and the workplace ("Why Men Earn More"). As "The Myth of Male Power's" title implies, Farrell challenges the belief that men have the power by challenging the definition of power. Farrell defines power as "control over one's life." He writes that, "In the past, neither sex had power; both sexes had roles: women's role was [to] raise children; men's role was [to] raise money." One of the examples that Farrell uses to illustrate male powerlessness is male-only draft registration.