The Trend of the Race; a Study of Present Tendencies in the Biological Development of Civilized Mankind
The book The Trend of the Race; a Study of Present Tendencies in the Biological Development of Civilized Mankind was written by author Samuel J Samuel Jackson Holmes Here you can read free online of The Trend of the Race; a Study of Present Tendencies in the Biological Development of Civilized Mankind book, rate and share your impressions in comments. If you don't know what to write, just answer the question: Why is The Trend of the Race; a Study of Present Tendencies in the Biological Development of Civilized Mankind a good or bad book?
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Even i£ we look at the future of the species as a matter of pure biology, we are warned by men of science that it is not safe to depend only on one family or one variety for the whole breeding-stock of the world. For the moment we shrink from the interbreeding of races, but we do so in spite of some conspicuous examples of successful interbreeding in the past, and largely because of our complete ig- norance of the conditions on which success depends." — Graham Wal- las, Human Nature and Politic...s, pp. 293, 294. The peoples of the earth have followed the most varied customs in regard to marriage. From extreme inbreeding we have all gradations to the crossing of distinct races. Among savage and barbarous peoples the practice of exogamy, or marriage outside the tribe, is very prevalent. In general, we find that marriages between near relatives are forbidden, and often the prohibition goes farther and includes those bearing the same name or belong- ing to a group which may be specified in various other ways.
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