 | Caleb Williams Saleeby - 1909 - Страниц: 416
...a want of care, or care wrongly directed, leads to the degeneration of a domestic race ; but except in the case of man himself, hardly any one is so ignorant as to allow his worst animals to breed. " With savages, the weak in body or mind are soon eliminated, and those that survive commonly exhibit... | |
 | American Association for the Study and Prevention of Infant Mortality - 1912 - Страниц: 432
...opportunity and our fullest duty. "Except in the case of man himself," wrote Darwin, "hardly anyone is so ignorant as to allow his worst animals to breed." '•The great horde of defectives once in the world have a right to live and enjoy as best they may whatever... | |
 | Herbert Eugene Walter - 1913 - Страниц: 308
...unfortunate event happened once illegitimately, is fundamentally a mistake. Darwin says : " Except in the case of man himself hardly any one is so ignorant as to allow his worst animals to breed." c. An Educated Sentiment A far more effective means of restricting bad germplasm than placing elaborate... | |
 | Morton Arnold Aldrich - 1914 - Страниц: 376
...mating of domestic animals by the breeder. " Excepting in the case of man himself," says Darwin, " hardly any one is so ignorant as to allow his worst animals to breed." And men not only allow the worst of their fellows to breed, but, if we are to believe what some critics... | |
 | 1921 - Страниц: 560
...the unfortunate event happened once illegitimately, is fundamentally a mistake. Darwin says: "Except in the case of man himself hardly any one is so ignorant as to allow his worst animals to breed." C) AN EDUCATED SENTIMENT A far more effective means of restricting bad germplasm than placing elaborate... | |
 | John Corbin - 1922 - Страниц: 374
...injurious to the race of man. It is surprising how soon a want of care, or care wrongly directed, leads to the degeneration of a domestic race; but excepting...ignorant as to allow his worst animals to breed." In 1871 Pasteur was a name unknown. 32. Mayfair to Moscow. By Clare Sheridan. London, 1921. (Called... | |
 | Herbert Eugene Walter - 1922 - Страниц: 392
...the unfortunate event happened once illegitimately, is fundamentally a mistake. Darwin says : "Except in the case of man himself hardly any one is so ignorant as to allow his worst animals to breed." C. AN EDUCATED SENTIMENT A far more effective means of restricting bad germplasm than placing elaborate... | |
 | William Samuel Sadler - 1922 - Страниц: 466
...disadvantage of birth ? Darwin wrote long ago :".... except in the case of man himself, hardly anyone is so ignorant as to allow his worst animals to breed." THE SITUATION IN ILLINOIS In appealing to the State Legislature of Illinois for the enactment of suitable... | |
 | Thomas Denison Wood, Clifford Lee Brownell - 1925 - Страниц: 614
...the unfortunate event happened once illegitimately, is fundamentally a mistake. Darwin says: ' Except in the case of man himself hardly any one is so ignorant as to allow his worst animals to breed.' " NEWMAN, Readings in Evolution, Genetics, and Eugenics, p. 477. 777. An Educated Public " It must... | |
 | 1925 - Страниц: 356
...injurious to the race of man. It is surprising how soon a want of care, or care wrongly directed, leads to the degeneration of a domestic race; but, excepting in the case of man himself, hardly anyone is so ignorant as to allow his worst animals to breed. more tender and more widely diffused.... | |
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It is surprising how soon a want of care, or care wrongly directed, leads to the degeneration of a domestic race; but, excepting in the case of man himself, hardly any one is so ignorant as to allow his worst animals to breed. 
