Darwiniana: EssaysAppleton, 1894 - 475페이지 |
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49 페이지
... exhibited by only two of those assemblages of living objects , to which the name of species ( whether it be used in its physiological or in its morphological sense ) is given , it would have to be accounted for by any theory of the ...
... exhibited by only two of those assemblages of living objects , to which the name of species ( whether it be used in its physiological or in its morphological sense ) is given , it would have to be accounted for by any theory of the ...
50 페이지
... exhibited by many species when crossed with other species . On the other hand , not only is it not proved that all species give rise to hybrids infertile inter se , but there is much reason to believe that , in crossing , species ...
... exhibited by many species when crossed with other species . On the other hand , not only is it not proved that all species give rise to hybrids infertile inter se , but there is much reason to believe that , in crossing , species ...
55 페이지
... exhibiting an abundant fauna of mixed mesozoic and paleozoic types , in rocks of an epoch once supposed to be eminently poor in life ; witness , lastly , the incessant disputes as to whether a given stratum shall be reckoned devonian or ...
... exhibiting an abundant fauna of mixed mesozoic and paleozoic types , in rocks of an epoch once supposed to be eminently poor in life ; witness , lastly , the incessant disputes as to whether a given stratum shall be reckoned devonian or ...
60 페이지
... exhibited by species themselves , and yet not so much a part of their very essence as to have required earlier mention , which are in the highest degree per- plexing , if we adopt the popularly accepted hypothesis . Such are the facts ...
... exhibited by species themselves , and yet not so much a part of their very essence as to have required earlier mention , which are in the highest degree per- plexing , if we adopt the popularly accepted hypothesis . Such are the facts ...
69 페이지
... exhibited by domesticated animals , and illustrate its powers . The vast influence of Cuvier was employed against the Lamarckian views , and , as the untenability of some of his conclusions was easily shown , his doctrines sank under ...
... exhibited by domesticated animals , and illustrate its powers . The vast influence of Cuvier was employed against the Lamarckian views , and , as the untenability of some of his conclusions was easily shown , his doctrines sank under ...
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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