Pair bonding

Definition and stakes

Portrait of William Graham Sumner William Graham Sumner,  Folkways

“ Pair marriage; its technical definition. Polyandry passed over into polygamy when sufficient property was at command.1241 There was a neutral middle point where one man had one wife. It follows that monogamy is not a specific term. It might be monogamy if one man had one wife but also concubines and slaves, or he might have but one wife in fact, although free to have more if he chose. ”
Source: Gutenberg

Various,  The Monist, Vol. 1, 1890-1891

“ Hence, those individuals which do pair homogamously will leave a larger number—or better quality—of offspring to the next generation, than is left by those which fail to pair homogamously. Hence, also, in the course of many generations a selective premium will be set on the homogamous pairing, A plus A, B plus B, whether such pairing be due to a sexual instinct or to a sexual incompatibility. ”
Source: Gutenberg

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