Darwiniana: EssaysAppleton, 1894 - 475페이지 |
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94 페이지
... Agamogenesis , or " alternate generation " ; the extreme dissimilarity of the males and females of many animals ; and of the males , females , and neuters of those insects which live in colonies : and he defines its relations to the ...
... Agamogenesis , or " alternate generation " ; the extreme dissimilarity of the males and females of many animals ; and of the males , females , and neuters of those insects which live in colonies : and he defines its relations to the ...
95 페이지
... Agamogenesis and the production of new species from pre - existing ones . But is the analogy a real one ? We think that it is not , and , by the hypothesis cannot be For what are the phænomena of Agamogenesis , stated generally ? An ...
... Agamogenesis and the production of new species from pre - existing ones . But is the analogy a real one ? We think that it is not , and , by the hypothesis cannot be For what are the phænomena of Agamogenesis , stated generally ? An ...
96 페이지
... Agamogenesis , how can it enable us to comprehend the production of new species from already existing ones ? Let us ... Agamogenesis . But passing over this difficulty , and supposing a male and female Dog to be produced at the same time ...
... Agamogenesis , how can it enable us to comprehend the production of new species from already existing ones ? Let us ... Agamogenesis . But passing over this difficulty , and supposing a male and female Dog to be produced at the same time ...
97 페이지
... Agamogenesis ? The other alternative put by Professor Kölliker -the passage of fecundated ova in the course of their development into higher forms - would , if it occurred , be merely an extreme case of variation in the Darwinian sense ...
... Agamogenesis ? The other alternative put by Professor Kölliker -the passage of fecundated ova in the course of their development into higher forms - would , if it occurred , be merely an extreme case of variation in the Darwinian sense ...
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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