attracting the female, a secondary nuptial significance in producing excitement (p. 48). He holds also that the less-developed voices of the females aid in attaining the same end (p. 51). Finally, bird-song possesses a tertiary extranuptial significance (including exercise play, expression of gladness). Häcker points out, at the same time, that the maintenanc
Studies in the Psychology of Sex, Volume 3 / Analysis of the Sexual Impulse; Love and Pain; The Sexual Impulse in Women
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Havelock Ellis
