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 v
... Professor Romanes , for the help afforded by their kindly suggestions and criticisms , and for the advice and recommendation under which this essay is now published . Encourage- ment from Mr. Francis Darwin is to me the more precious ...
... Professor Romanes , for the help afforded by their kindly suggestions and criticisms , and for the advice and recommendation under which this essay is now published . Encourage- ment from Mr. Francis Darwin is to me the more precious ...
Página 6
... had large jaws appears to me erroneous . ( See Professor Rolleston's Scientific Papers and Addresses , i . p . 250. ) brought about by inheritance of the effects of lessened use SPENCER'S EXAMPLES AND ARGUMENTS 6—44 DIMINUTION OF THE JAWS.
... had large jaws appears to me erroneous . ( See Professor Rolleston's Scientific Papers and Addresses , i . p . 250. ) brought about by inheritance of the effects of lessened use SPENCER'S EXAMPLES AND ARGUMENTS 6—44 DIMINUTION OF THE JAWS.
Página 47
... Professor Huxley has pointed out that in 66 1 Life and Letters , i . p . 16. Darwin's reverence for his father was boundless and most touching . He would have wished to judge everything else in the world dispassionately , but anything ...
... Professor Huxley has pointed out that in 66 1 Life and Letters , i . p . 16. Darwin's reverence for his father was boundless and most touching . He would have wished to judge everything else in the world dispassionately , but anything ...
Página 85
... Professor Romanes on Panmixia , Nature , April 3 , 1890 . 2 Descent of Man , p . 33 . and long - sight certainly tend to be inherited.1 But INFERIOR SENSES OF EUROPEANS . 85 INFERIORITY OF SENSES IN EUROPEANS SHORT-SIGHT IN WATCHMAKERS ...
... Professor Romanes on Panmixia , Nature , April 3 , 1890 . 2 Descent of Man , p . 33 . and long - sight certainly tend to be inherited.1 But INFERIOR SENSES OF EUROPEANS . 85 INFERIORITY OF SENSES IN EUROPEANS SHORT-SIGHT IN WATCHMAKERS ...
Página 95
... Professor Romanes has replied to him in the Contemporary Review ( August 1889 ) , showing that this is no disproof of the existence of the minor factor , inasmuch as slight changes in each generation need not necessarily be matters of ...
... Professor Romanes has replied to him in the Contemporary Review ( August 1889 ) , showing that this is no disproof of the existence of the minor factor , inasmuch as slight changes in each generation need not necessarily be matters of ...
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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.