Darwiniana: EssaysD. Appleton, 1901 - 475ÆäÀÌÁö |
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... result of his own observa- tions and experiments that many hybrids are quite as fertile as the parent species , but he goes so far as to assert that the particular plant Crinum capense is much more fertile when crossed by a distinct ...
... result of his own observa- tions and experiments that many hybrids are quite as fertile as the parent species , but he goes so far as to assert that the particular plant Crinum capense is much more fertile when crossed by a distinct ...
9 ÆäÀÌÁö
... result of vast successive catastrophes , destructions , and re - creations en masse ; but catastrophes are now almost eliminated from geological , or at least pal©¡ontological speculation ; and it is admitted , on all hands , that the ...
... result of vast successive catastrophes , destructions , and re - creations en masse ; but catastrophes are now almost eliminated from geological , or at least pal©¡ontological speculation ; and it is admitted , on all hands , that the ...
11 ÆäÀÌÁö
... the operation of the second . Place an animal in new circumstances , says he , and its needs will be altered ; the new needs will create new desires , and the attempt to gratify such desires will result in an I 11 THE DARWINIAN HYPOTHESIS.
... the operation of the second . Place an animal in new circumstances , says he , and its needs will be altered ; the new needs will create new desires , and the attempt to gratify such desires will result in an I 11 THE DARWINIAN HYPOTHESIS.
12 ÆäÀÌÁö
Essays Thomas Henry Huxley. the attempt to gratify such desires will result in an appropriate modification of the organs exerted . Make a man a blacksmith , and his brachial muscles will develop in accordance with the demands made upon ...
Essays Thomas Henry Huxley. the attempt to gratify such desires will result in an appropriate modification of the organs exerted . Make a man a blacksmith , and his brachial muscles will develop in accordance with the demands made upon ...
15 ÆäÀÌÁö
... results of twenty years ' investigation and reflection we must listen even though we be disposed to strike . But , in reading his work , it must be confessed that the attention which might at first be dutifully , soon becomes willingly ...
... results of twenty years ' investigation and reflection we must listen even though we be disposed to strike . But , in reading his work , it must be confessed that the attention which might at first be dutifully , soon becomes willingly ...
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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 Hy©¡na 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