Darwiniana: EssaysAppleton, 1894 - 475페이지 |
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27 페이지
... plant , which is distinctly definable from all others , by certain constant , and not merely sexual , morphological peculiarities . Thus horses form a species , because the group of animals to which that name is applied is distinguished ...
... plant , which is distinctly definable from all others , by certain constant , and not merely sexual , morphological peculiarities . Thus horses form a species , because the group of animals to which that name is applied is distinguished ...
28 페이지
... plants they so denominate than what has just been stated . Even the most decided advocates of the received doctrines respecting species admit this . " I apprehend , " says Professor Owen , 1 " that few naturalists nowadays , in ...
... plants they so denominate than what has just been stated . Even the most decided advocates of the received doctrines respecting species admit this . " I apprehend , " says Professor Owen , 1 " that few naturalists nowadays , in ...
33 페이지
... plants , had thus descended , would be ordinarily considered sufficient to entitle them to the rank of physiological species , for most physiologists consider species to be de- finable as " the offspring of a single primitive stock ...
... plants , had thus descended , would be ordinarily considered sufficient to entitle them to the rank of physiological species , for most physiologists consider species to be de- finable as " the offspring of a single primitive stock ...
34 페이지
... plants , the sexes are lodged in distinct individuals , from an exact mean between the two parents . And indeed , on general principles , this slight deviation seems as intelligible as the general similarity , if we reflect how complex ...
... plants , the sexes are lodged in distinct individuals , from an exact mean between the two parents . And indeed , on general principles , this slight deviation seems as intelligible as the general similarity , if we reflect how complex ...
36 페이지
... plants , to give rise to the metamorphosis of stamens into petals , and so forth . But however they may have arisen , what especially interests us at present is , to remark that , once in existence , many varieties obey. 36 II THE ORIGIN ...
... plants , to give rise to the metamorphosis of stamens into petals , and so forth . But however they may have arisen , what especially interests us at present is , to remark that , once in existence , many varieties obey. 36 II THE ORIGIN ...
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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