Are the Effects of Use and Disuse Inherited?: An Examination of the View Held by Spencer and DarwinMacmillan, 1890 - 156 páginas |
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Página vii
... inheritance of the beneficial effects of education , training , habits , institutions , and so forth the inheritance , in short , of acquired characters , or of the effects of use and disuse . If this substitute is but a broken reed ...
... inheritance of the beneficial effects of education , training , habits , institutions , and so forth the inheritance , in short , of acquired characters , or of the effects of use and disuse . If this substitute is but a broken reed ...
Página x
... USE - INHERITANCE INFERIORITY OF SENSES IN EUROPEANS . 83 • • 85 SHORT - SIGHT IN WATCHMAKERS AND ENGRAVERS 85 LARGER HANDS IN LABOURERS ' INFANTS THICKENED SOLE IN INFANTS 87 888 A SOURCE OF MENTAL CONFUSION . WEAKNESS OF USE - X CONTENTS ...
... USE - INHERITANCE INFERIORITY OF SENSES IN EUROPEANS . 83 • • 85 SHORT - SIGHT IN WATCHMAKERS AND ENGRAVERS 85 LARGER HANDS IN LABOURERS ' INFANTS THICKENED SOLE IN INFANTS 87 888 A SOURCE OF MENTAL CONFUSION . WEAKNESS OF USE - X CONTENTS ...
Página xi
... USE AND DISUSE USE - INHERITANCE IMPLIES PANGENESIS PANGENESIS IMPROBABLE . · • · · 127 128 134 137 • · 138 SPENCER'S EXPLANATION OF USE - INHERITANCE 141 CONCLUSIONS . PAGE 144-156 USE - INHERITANCE DISCREDITED AS UNNECES- CONTENTS . xi.
... USE AND DISUSE USE - INHERITANCE IMPLIES PANGENESIS PANGENESIS IMPROBABLE . · • · · 127 128 134 137 • · 138 SPENCER'S EXPLANATION OF USE - INHERITANCE 141 CONCLUSIONS . PAGE 144-156 USE - INHERITANCE DISCREDITED AS UNNECES- CONTENTS . xi.
Página xii
... CONCLUSIONS . PAGE 144-156 USE - INHERITANCE DISCREDITED AS UNNECES- SARY , UNPROVEN , AND IMPROBABLE • 144 MODERN RELIANCE ON USE - INHERITANCE MIS- PLACED 145 Are the Effects of Use and Disuse Enherited ? IMPORTANCE xii CONTENTS.
... CONCLUSIONS . PAGE 144-156 USE - INHERITANCE DISCREDITED AS UNNECES- SARY , UNPROVEN , AND IMPROBABLE • 144 MODERN RELIANCE ON USE - INHERITANCE MIS- PLACED 145 Are the Effects of Use and Disuse Enherited ? IMPORTANCE xii CONTENTS.
Página 4
... use or disuse of organs or faculties does not similarly affect posterity by inheritance , then it is evident that no innate improvement in the race can take place without the aid of natural or artificial selection . Herbert Spencer ...
... use or disuse of organs or faculties does not similarly affect posterity by inheritance , then it is evident that no innate improvement in the race can take place without the aid of natural or artificial selection . Herbert Spencer ...
Otras ediciones - Ver todas
Términos y frases comunes
acquired characters acquired modifications alleged Animals and Plants appears artificial selection atavism attributed Aylesbury duck become birds bones breeds cause cent civilization concomitant variation Contemporary Review Crown 8vo cumulative Darwin Descent deterioration diminished diminution diseases domestic animals domestic rabbit duck effects of ancestral effects of disuse enlarged epilepsy evidence evil explanation eyes fact factor of evolution fancy pigeons father favoured Francis Darwin Francis Galton Galton gemmules guinea-pigs heredity Illustrations improvement incisors increased individual inherited effects inherited injuries inherited mutilations insects instances instincts jaws Lamarckian leg-bones legs lengthened muscles natural or artificial natural selection nervous neuter offspring organs Origin of Species pangenesis panmixia parents pigeons Plants under Domestication quasi-inheritance race Ray Lankester reduced wings relative reproductive elements sexual selection shortened Spencer spite of disuse spontaneous variations sternum structure suppose tameness teeth tend tendency theory thickened sole tion toes transmit true inheritance use-inheritance Variation of Animals weight Weismann wing-bones
Pasajes populares
Página 26 - For peculiar habits confined to the workers or sterile females, however long they might be followed, could not possibly affect the males and fertile females, which alone leave descendants. I am surprised that no one has hitherto advanced this demonstrative case of neuter insects, against the well-known doctrine of inherited habit, as advanced by Lamarck.