Darwiniana: EssaysAppleton, 1894 - 475페이지 |
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59개의 결과 중 6 - 10개
41 페이지
... give much or little milk , speed , strength , tem- per , intelligence , special instincts ; there is not one of these characters the transmission of which is not an every - day occurrence within the experience of cattle - breeders ...
... give much or little milk , speed , strength , tem- per , intelligence , special instincts ; there is not one of these characters the transmission of which is not an every - day occurrence within the experience of cattle - breeders ...
45 페이지
... give rise to hybrid offspring , the hybrids so produced are infertile when paired together . The horse and the ass , for instance , if so crossed , give rise to the mule , and there is no certain evidence of offspring ever having been ...
... give rise to hybrid offspring , the hybrids so produced are infertile when paired together . The horse and the ass , for instance , if so crossed , give rise to the mule , and there is no certain evidence of offspring ever having been ...
50 페이지
... give rise to hybrids infertile inter se , but there is much reason to believe that , in crossing , species exhibit every gradation from perfect sterility to perfect fertility . Such are the most essential characteristics of species ...
... give rise to hybrids infertile inter se , but there is much reason to believe that , in crossing , species exhibit every gradation from perfect sterility to perfect fertility . Such are the most essential characteristics of species ...
58 페이지
... give rise . If we knew these , and found none competent to originate species , we should have good ground for denying their origin by natural causation . Till we know them , any hypothesis is better than one which involves us in such ...
... give rise . If we knew these , and found none competent to originate species , we should have good ground for denying their origin by natural causation . Till we know them , any hypothesis is better than one which involves us in such ...
64 페이지
... give the printer a fair chance of falling back on the excuse that the work was intended for a mere jeu d'esprit . 66 The speculations of the suppositious Indian sage , though quite as sound as those of many a Mosaic Geology , " which ...
... give the printer a fair chance of falling back on the excuse that the work was intended for a mere jeu d'esprit . 66 The speculations of the suppositious Indian sage , though quite as sound as those of many a Mosaic Geology , " which ...
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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