Darwiniana: EssaysAppleton, 1894 - 475페이지 |
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4 페이지
... kind of plant . Again , such cases as the following are well estab- lished . The female of species A , if crossed with the male of species B , is fertile ; but , if the female of B is crossed with the male of A , she remains barren ...
... kind of plant . Again , such cases as the following are well estab- lished . The female of species A , if crossed with the male of species B , is fertile ; but , if the female of B is crossed with the male of A , she remains barren ...
12 페이지
... kind of animal or plant in such a manner as to give rise to another kind , which would be admitted by naturalists as a distinct species . Lamarck imagined that he had discovered this vera causa in the admitted facts that some organs may ...
... kind of animal or plant in such a manner as to give rise to another kind , which would be admitted by naturalists as a distinct species . Lamarck imagined that he had discovered this vera causa in the admitted facts that some organs may ...
14 페이지
... kind have assuredly often arisen , but it might have been long before they received such expression as would have commanded the respect and attention of the scientific world , had it not been for the publication of the work which ...
... kind have assuredly often arisen , but it might have been long before they received such expression as would have commanded the respect and attention of the scientific world , had it not been for the publication of the work which ...
27 페이지
... kind of animal or 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 ...
... kind of animal or 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 ...
31 페이지
... kind of monster . So that the one end to which , in all living beings , the formative impulse is tending the one scheme which the Archæus of the old speculators strives to carry out , seems to be to mould the offspring into the likeness ...
... kind of monster . So that the one end to which , in all living beings , the formative impulse is tending the one scheme which the Archæus of the old speculators strives to carry out , seems to be to mould the offspring into the likeness ...
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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