The Need for Eugenic ReformAppleton, 1926 - Всего страниц: 529 |
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Стр. 21
... efforts to improve the innate qualities of future 1 See R. A. Fisher , " Correlation between Relatives , " Trans . R. Soc . Edin . , LII , Pt . II , 399 , Oct. 1918 . generations must be based on the same principles whether we.
... efforts to improve the innate qualities of future 1 See R. A. Fisher , " Correlation between Relatives , " Trans . R. Soc . Edin . , LII , Pt . II , 399 , Oct. 1918 . generations must be based on the same principles whether we.
Стр. 24
... result of the disappearance of the organisms showing the recessive quality would obviously be an improvement in the average quality of the group . REGRESSION TO THE MEAN 25 But this selection would upset 24 THE LAWS OF NATURAL INHERITANCE.
... result of the disappearance of the organisms showing the recessive quality would obviously be an improvement in the average quality of the group . REGRESSION TO THE MEAN 25 But this selection would upset 24 THE LAWS OF NATURAL INHERITANCE.
Стр. 25
... improvement in the quality of the group due to natural selection would not be maintained ; or , in other words , when natural selection is in operation there is in each generation a partial reversion to the mean . It could be shown in ...
... improvement in the quality of the group due to natural selection would not be maintained ; or , in other words , when natural selection is in operation there is in each generation a partial reversion to the mean . It could be shown in ...
Стр. 32
... improve the stock or breed of future generations . The point here to note is , however , the futility of all discussions of the relative importance of heredity and environment in the absence of rigid definitions of the meaning of the ...
... improve the stock or breed of future generations . The point here to note is , however , the futility of all discussions of the relative importance of heredity and environment in the absence of rigid definitions of the meaning of the ...
Стр. 33
... improve the lot of man by making a change in his surroundings , thus producing both immediate and often long - enduring beneficial effects ; a method of reform which may be described as environmental ; or we may try , by various ...
... improve the lot of man by making a change in his surroundings , thus producing both immediate and often long - enduring beneficial effects ; a method of reform which may be described as environmental ; or we may try , by various ...
Часто встречающиеся слова и выражения
acquired differences advantages alcohol amongst animals appearance argument assortive mating average become believe beneficial benefits birth birth control birth-rate bricks cause certainly civilization classes conclusion connexion consequently consider consideration contraceptive correlation crime criminal cuckoo dependent descendants doubt dysgenic endowed environment environmental eugenic reform eugenist evil evolution evolutionary existing fact factor family limitation favour feeble-in-mind fertility future genes genius germ plasm harmful hereditary heredity homozygous human improve inborn qualities individuals inferior infertility influences inheritance of acquired innate qualities insanity Karl Pearson Lamarckian large number less fit lessen marriage mate selection mental defect methods moral nation natural inheritance natural selection offspring parenthood parents persons physical population possible posterity probably produce promote question R. A. Fisher race racial effects racial poison rate of multiplication reason recessive genes regard relative result segregation sexual selection social sterilization strata stratum superior surroundings syphilis tend tion types venereal diseases wages whilst whole
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Стр. 4 - It is interesting to contemplate a tangled bank, clothed with many plants of many kinds, with birds singing on the bushes, with various insects flitting about, and with worms crawling through the damp earth, and to reflect that these elaborately constructed forms, so different from each other, and dependent upon each other in so complex a manner, have all been produced by laws acting around us.
Стр. 182 - Feeble-minded persons;* that is to say, persons in whose case there exists from birth or from an early age mental defectiveness not amounting to imbecility, yet so pronounced that they require care, supervision, and control for their own protection or for the protection of others, or, in the case of children, that they by reason of such defectiveness appear to be permanently incapable of receiving proper benefit from the instruction in ordinary schools...
Стр. vii - Our doubts are traitors, And make us lose the good we oft might win, By fearing to attempt.
Стр. 4 - There is grandeur in this view of life, with its several powers, having been originally breathed by the Creator into a few forms or into one; and that, whilst this planet has gone cycling on according to the fixed law of gravity, from so simple a beginning endless forms most beautiful and most wonderful have been, and are being evolved.
Стр. 305 - Britain, on the average three were perfectly fit and healthy; two were upon a definitely infirm plane of health and strength, whether from some disability or some failure in development; three were incapable of undergoing more than a very moderate degree of physical exertion and could almost (in view of their age) be described with justice as physical wrecks; and the remaining man as a chronic invalid with a precarious hold upon life.
Стр. 53 - The hedge-sparrow fed the cuckoo so long, That it had its head bit off by its young.
Стр. 305 - These four inferences may be summarized by saying that medical examinations showed that, of every nine men of military age in Great Britain, on the average three were perfectly fit and healthy; two were upon a definitely infirm plane of health and strength, whether from some disability or...
Стр. 298 - ... are so physically or mentally defective ' or diseased as to be unable to derive reasonable benefit from ' the education which the State provides.
Стр. 220 - A devil, a born devil, on whose nature Nurture can never stick ; on whom my pains, Humanely taken, all, all lost, quite lost ; And as, with age, his body uglier grows, So his mind cankers.
Стр. 45 - The operation of the preventive check — wars — the silent though certain destruction of life in large towns and manufactories, and the close habitations and insufficient food of many of the poor, prevent population from outrunning the means of subsistence...