Darwiniana: EssaysAppleton, 1894 - 475페이지 |
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5 페이지
... horses , and cats and dogs , lobsters and beetles , periwinkles and mussels , but even the very sponges and animalcules commence their existence under forms which are essentially undistinguishable ; and this is true of all the infinite ...
... horses , and cats and dogs , lobsters and beetles , periwinkles and mussels , but even the very sponges and animalcules commence their existence under forms which are essentially undistinguishable ; and this is true of all the infinite ...
17 페이지
... horses , were known only in a fossil state , no naturalist would hesitate in regarding them as distinct species . But in all these cases we have human interfer- ence . Without the breeder there would be no selection , and without the ...
... horses , were known only in a fossil state , no naturalist would hesitate in regarding them as distinct species . But in all these cases we have human interfer- ence . Without the breeder there would be no selection , and without the ...
27 페이지
... horses form a species , because the group of animals to which that name is applied is distinguished from all others ... horse , but sometimes with cal- losities only on the fore - legs , and more or less tufted tails ; or animals having ...
... horses form a species , because the group of animals to which that name is applied is distinguished from all others ... horse , but sometimes with cal- losities only on the fore - legs , and more or less tufted tails ; or animals having ...
41 페이지
... horse - dealers , and dog and poultry fanciers . Nay , it is only the other day that an eminent physiologist , Dr. Brown- Séquard , communicated to the Royal Society his discovery that epilepsy , artificially produced in guinea - pigs ...
... horse - dealers , and dog and poultry fanciers . Nay , it is only the other day that an eminent physiologist , Dr. Brown- Séquard , communicated to the Royal Society his discovery that epilepsy , artificially produced in guinea - pigs ...
45 페이지
... horse and the Arab , the pouter and the tumbler , breed together with perfect freedom , and their mongrels , if matched with other mongrels of the same kind , are equally fertile . On the other hand , there can be no doubt that the ...
... horse and the Arab , the pouter and the tumbler , breed together with perfect freedom , and their mongrels , if matched with other mongrels of the same kind , are equally fertile . On the other hand , there can be no doubt that the ...
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action adapted admit Agamogenesis Ancon animalcules animals animals and plants appears biology birds body called causes character Charles Darwin course creation Crustacea Darwin Darwin's views Darwinian deposited direct doctrine of evolution doubt Dysteleology endeavour epigenesis epoch Erasmus Darwin essay evidence ex nihilo exhibited existence extinct fact favour Flourens geological germ give rise groups horse Hyæna hypothesis inorganic world inquiry kind knowledge Lamarck laws lectures less living Maillet male matter means ment Mivart modification natural selection naturalists objections observation offspring organic nature organisation Origin of Species ovum parent peculiar phenomena philosophical physiological pigeons present primitive stock principles produced Quarterly Reviewer question races reason remarkable result scientific selective breeding sensations sense special creation speculations structure Suarez substantial forms suppose Teleology tendency theory thing thought tion toes truth variation varieties vegetabilia vegetable vera causa Wallace whole