Darwiniana: EssaysD. Appleton, 1901 - 475페이지 |
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3 페이지
... true species may be known from a mere variety ? Is there no criterion of species ? Great authori- ties affirm that there is that the unions of members of the same species are always fertile , while those of distinct species are either ...
... true species may be known from a mere variety ? Is there no criterion of species ? Great authori- ties affirm that there is that the unions of members of the same species are always fertile , while those of distinct species are either ...
5 페이지
... true of all the infinite variety of plants . Nay , more , all living beings march , side by side , along the high road of development , and separate the later the more like they are ; like people leaving church , who all go down the ...
... true of all the infinite variety of plants . Nay , more , all living beings march , side by side , along the high road of development , and separate the later the more like they are ; like people leaving church , who all go down the ...
10 페이지
... true or false , it is , at any rate , not at present sup- ported by what is commonly regarded as logical proof , even if it be capable of discussion by reason ; and hence we consider ourselves at liberty to pass it by , and to turn to ...
... true or false , it is , at any rate , not at present sup- ported by what is commonly regarded as logical proof , even if it be capable of discussion by reason ; and hence we consider ourselves at liberty to pass it by , and to turn to ...
24 페이지
... true , and to put the funda- mental positions advocated by Mr. Darwin in such a form that they may be grasped by those whose special studies lie in other directions . And the adoption of this course may be the more advisable , because ...
... true , and to put the funda- mental positions advocated by Mr. Darwin in such a form that they may be grasped by those whose special studies lie in other directions . And the adoption of this course may be the more advisable , because ...
31 페이지
... true of the newt is true of every animal and of plant ; the acorn tends to build itself up again . into a woodland giant such as that from whose twig it fell ; the spore of the humblest lichen reproduces the green or brown incrustation ...
... true of the newt is true of every animal and of plant ; the acorn tends to build itself up again . into a woodland giant such as that from whose twig it fell ; the spore of the humblest lichen reproduces the green or brown incrustation ...
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adapted admit Agamogenesis Ancon animalcules animals and plants appears believe 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 evidence ex nihilo exhibited existence extinct fact favour Flourens geological germ give rise groups horse Hyæna hypothesis inorganic world inquiry kind knowledge Lamarck laws less living Maillet male matter means Mivart modification natural selection naturalists objections observation offspring organic nature organisation Origin of Species ovum parent Paul de Longpré peculiar phenomena philosophical physiological pigeons present primitive stock principles produced Professor 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 variation varieties vegetabilia vegetable Wallace whole