Licence: Public Domain Mark
Credit: The history of human marriage. Source: Wellcome Collection.
Provider: This material has been provided by the Harvey Cushing/John Hay Whitney Medical Library at Yale University, through the Medical Heritage Library. The original may be consulted at the Harvey Cushing/John Hay Whitney Medical Library at Yale University.
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![pp. 281, et seq.—Intermixture of races, pp. 282, £tse<].—Itseftects on fertility, pp. 283-288.—Rejection of M. Broca's theory as to the infertility of the connections of Europeans with Australian women, pp. 284-287.—The doctrine of the unity of mankind independent of the degree of fertility of first crosses and of mongrels, pp. 288, et seq. CHAPTER XIV PROHIBITION OF M.^RRIAGE BETWEEN KINDRED The horror of incest almost universally characteristic of mankind, p. 290.—Inter- course between parents and children, pp. 290, et seq.—Between brother and sister, pp. 291-294.—Between half-brother and half-sister, pp. 294, et seq.— Between uncle and niece, and aunt and nephew, pp. 295, et seq.—Between first cousins, pp. 296, et seq.—The prohibited degrees among peoples un- affected by modern civilization more numerous, as a rule, than in advanced communities, pp. 297-309.—Prohibition of marriage between relatives by alliance, pp. 309, et seq.—Early hypotheses as to the origin of the prohibitions of marriage between near kin, p. 310.—Criticism of Mr. McLennan's hypo- thesis as to the origin of exogamy, pp. 311-314.—Criticism of Mr. Spencer's views, pp. 314, ('/ seq.—Of Sir John Lubbock's, p. 316.—Of Professor Kohler's, pp. 316, et seq.—Of INIr. Morgan's, &c., pp. 318, et seq.—The prohibition of incest founded not on experience, but on instinct, p. 319. CHAPTER XV PROHIBITION OF MARRIAGE BETWEEN KINDRED {Concluded) No innate aversion to marriage with near relations, p. 320.—Innate aversion to sexual intercourse between persons living very closely together from early youth, pp. 320-330.—Local exogamy, pp. 321-323.—Connection between the prohibited degrees and the more or less close living together, pp. 324- 329.—Connection between the ' classificatory system of relationship' and exogamy, p. 329.—The one-sidedness of prohibitions due in part directly to local relationships, in part to the influence of names, pp. 330, et seq.—The prohibitions of marriage between relations by alliance and by adoption due to an association of ideas, p. 331.—The prohibitions on the ground of ' spiritual relationship' due to the same cause, ibid.—Endogamy seldom occurs in very small communities, p. 332. —Marriage between half-brothers and half-sisters not contrary to the principle here laid down, il'id. — Inces- tuous unions due to pride of birth, to necessity, to extreme isolation, and to vitiated instincts, p. 333.—Incest among the lower animals, p. 334.—The effects of cross- and self-ferlilization among plants, p. 335.—Evil effects of close interbreeding among animals, pp. 335-337-—A certain amount of differentiation favourable for the fertilization or union of two organisms, pp. 337, ct seq.—Difficulty of adducing direct evidence for the evil effects of con- sanguineous marriages among men, pp. 338, et seq. — Close intermarrying among the Veddahs, pp. 339, et seq.—The effects of marriage between first cousins, pp. 340-343.—The experience of isolated communities does not prove consanguineous marriages to be harmless, pp. 343-345.—The bad con- sequences of self-fertilization and close interbreeding may almost fail to appear under favourable conditions oflife, pp. 345, etseq.—Consanguineous marriages more injurious in savage regions than in civilized society, p. 346.—Tendency i](https://iiif.wellcomecollection.org/image/b20999252_0020.jp2/full/800%2C/0/default.jpg)
