The Need for Eugenic ReformAppleton, 1926 - Всего страниц: 529 |
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Стр. xi
... INHERITANCE pp . 1-10 Mendelian Mendel and Galton as originators of two schools of genetics . inheritance illustrated by analogy . Human beings as mosaics composed of many ancestral traits . Differences and likenesses in families ...
... INHERITANCE pp . 1-10 Mendelian Mendel and Galton as originators of two schools of genetics . inheritance illustrated by analogy . Human beings as mosaics composed of many ancestral traits . Differences and likenesses in families ...
Стр. xii
... INHERITANCE OF ACQUIRED DIFFERENCES Problem defined and illustrated . Views of practical men . Lamarckism . Weismann's theory of the continuity of the germ - plasm . Effects of mutilation not inherited . Difficulties in the Lamarckian ...
... INHERITANCE OF ACQUIRED DIFFERENCES Problem defined and illustrated . Views of practical men . Lamarckism . Weismann's theory of the continuity of the germ - plasm . Effects of mutilation not inherited . Difficulties in the Lamarckian ...
Стр. xiv
... Inheritance of diathesis . Birth Control . Eugenic prognosis . ( 4 ) GENIUS . Dependent on many qualities . Appearance of in future . Association with ill - health . Genius and insanity . Rival ambitions . Value of genius . pp . 227-256 ...
... Inheritance of diathesis . Birth Control . Eugenic prognosis . ( 4 ) GENIUS . Dependent on many qualities . Appearance of in future . Association with ill - health . Genius and insanity . Rival ambitions . Value of genius . pp . 227-256 ...
Стр. 11
Leonard Darwin. CHAPTER II THE LAWS OF NATURAL INHERITANCE MENDELISM THE study of evolution involves the study of the ways in which the generations of plants and animals succeed each other ; that is of the laws of inheritance when ...
Leonard Darwin. CHAPTER II THE LAWS OF NATURAL INHERITANCE MENDELISM THE study of evolution involves the study of the ways in which the generations of plants and animals succeed each other ; that is of the laws of inheritance when ...
Стр. 12
... a child is born , yet it will be convenient for the purposes of this analogy in the first instance to assume that the two parent houses MENDELISM 13 are always pulled down when material is needed 12 THE LAWS OF NATURAL INHERITANCE.
... a child is born , yet it will be convenient for the purposes of this analogy in the first instance to assume that the two parent houses MENDELISM 13 are always pulled down when material is needed 12 THE LAWS OF NATURAL INHERITANCE.
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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...