Darwiniana: EssaysD. Appleton, 1897 - 475페이지 |
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1 페이지
... group of living organisms ; it is an eternal and immutable entity ; it is a mere abstraction of the human intellect having no existence in nature . Such are a few of the significations attached to this simple word which may be culled ...
... group of living organisms ; it is an eternal and immutable entity ; it is a mere abstraction of the human intellect having no existence in nature . Such are a few of the significations attached to this simple word which may be culled ...
2 페이지
... groups the very same things . In these islands , we are in the habit of regarding mankind as of one species , but a fortnight's steam will land us in a country where divines and savants , for once in agreement , vie with one another in ...
... groups the very same things . In these islands , we are in the habit of regarding mankind as of one species , but a fortnight's steam will land us in a country where divines and savants , for once in agreement , vie with one another in ...
8 페이지
... groups of animals more numerous than , those which breathe the upper air . But , singularly enough , the majority of these entombed species are wholly 1 [ See pago 60 Notc . ] distinct from those that now live . Nor is this 8 I THE ...
... groups of animals more numerous than , those which breathe the upper air . But , singularly enough , the majority of these entombed species are wholly 1 [ See pago 60 Notc . ] distinct from those that now live . Nor is this 8 I THE ...
26 페이지
... group of animals , or of plants , a species , we may imply thereby , çither that all these animals or plants have some common peculi- arity of form or structure ; or , we may mean that they possess some common functional character ...
... group of animals , or of plants , a species , we may imply thereby , çither that all these animals or plants have some common peculi- arity of form or structure ; or , we may mean that they possess some common functional character ...
27 페이지
... group of animals to which that name is applied is distinguished from all others in the world by the following constantly associated characters . They have - 1 , A vertebral column ; 2 , Mammæ ; 3 , A placental embryo ; 4 , Four legs ; 5 ...
... group of animals to which that name is applied is distinguished from all others in the world by the following constantly associated characters . They have - 1 , A vertebral column ; 2 , Mammæ ; 3 , A placental embryo ; 4 , Four legs ; 5 ...
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adapted Agamogenesis Ancon animalcules animals animals and plants appear beds biological birds body bones called carbonic acid causes character Charles Darwin common course creation cross curious Darwin Darwin's views deposited direct doctrine of evolution domestic pigeons doubt endeavour epigenesis epoch Erasmus Darwin evidence ex nihilo experiments extinct fact favour forms fossil geological germ groups horse Hyæna hypothesis ichthyosaurus inorganic world inquiry kind knowledge Lamarck lectures less living male matter means mind Mivart modification natural selection naturalists observation offspring operation organic nature organisation Origin of Species parent peculiar perpetuation phenomena physiological pigeons Pikermi Pouter present primitive stock produced Quarterly Reviewer question races reason remarkable result Rock Pigeon scientific selective breeding sense sheep skeleton sort speculations spontaneous structure Suarez substance suppose Teleology tendency theory thing tion toes variation varieties vary vegetable whole