Darwiniana: EssaysAppleton, 1894 - 475ÆäÀÌÁö |
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2 ÆäÀÌÁö
... varies as much as theory . botanists or two zoologists examine and describe the productions of a country , and one will pretty certainly disagree with the other as to the number , limits , and definitions of the species into which he ...
... varies as much as theory . botanists or two zoologists examine and describe the productions of a country , and one will pretty certainly disagree with the other as to the number , limits , and definitions of the species into which he ...
40 ÆäÀÌÁö
... a race was pro- duced , because , for several generations , care was taken to select both parents of the breeding stock from animals exhibiting a tendency to vary in the same direction ; while , in the other , no. 40 II THE ORIGIN OF ...
... a race was pro- duced , because , for several generations , care was taken to select both parents of the breeding stock from animals exhibiting a tendency to vary in the same direction ; while , in the other , no. 40 II THE ORIGIN OF ...
41 ÆäÀÌÁö
... vary more or less from the normal type ; and there is no variation which may not be transmitted and which , if selectively transmitted , may not become the foundation of a race . This great truth , sometimes forgotten by philosophers ...
... vary more or less from the normal type ; and there is no variation which may not be transmitted and which , if selectively transmitted , may not become the foundation of a race . This great truth , sometimes forgotten by philosophers ...
50 ÆäÀÌÁö
... vary ; and the variation may be perpetuated by selection , as a race , which race , in many cases , presents all the characteristics of a morphological species . But it is not as yet proved that a race ever exhibits , when crossed with ...
... vary ; and the variation may be perpetuated by selection , as a race , which race , in many cases , presents all the characteristics of a morphological species . But it is not as yet proved that a race ever exhibits , when crossed with ...
83 ÆäÀÌÁö
... vary indefinitely ; and secondly , from something in the surrounding world which helped all variations in the direction of an accurate time - keeper , and checked all those in other directions ; then it is obvious that the force of ...
... vary indefinitely ; and secondly , from something in the surrounding world which helped all variations in the direction of an accurate time - keeper , and checked all those in other directions ; then it is obvious that the force of ...
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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 Hy©¡na 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