Darwiniana: EssaysD. Appleton, 1895 - 475페이지 |
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42 페이지
... pigeon , which Mr. Darwin has , in our opinion , satisfactorily demonstrated to be the progenitor of all our domestic pigeons , of which there are certainly more than a hundred well - marked races . most noteworthy of these races are ...
... pigeon , which Mr. Darwin has , in our opinion , satisfactorily demonstrated to be the progenitor of all our domestic pigeons , of which there are certainly more than a hundred well - marked races . most noteworthy of these races are ...
43 페이지
... domestic pigeons has hardly varied at all from that of the wild type ; while , on the other hand , it is in exactly those respects , such as the relative length of the beak and skull , the number of the vertebræ , and the number of the ...
... domestic pigeons has hardly varied at all from that of the wild type ; while , on the other hand , it is in exactly those respects , such as the relative length of the beak and skull , the number of the vertebræ , and the number of the ...
411 페이지
... domestic pigeons . I dare say there may be some among you who may be pigeon fanciers , and I wish you ΧΙ PHENOMENA OF ORGANIC NATURE 411.
... domestic pigeons . I dare say there may be some among you who may be pigeon fanciers , and I wish you ΧΙ PHENOMENA OF ORGANIC NATURE 411.
416 페이지
... pigeons shows you that there is hardly a single particular - whether of ... pigeons , you will bear with you as good a notion as you can have , perhaps , of ... homing " birds — and are consequently used as carriers , are not “ carriers ...
... pigeons shows you that there is hardly a single particular - whether of ... pigeons , you will bear with you as good a notion as you can have , perhaps , of ... homing " birds — and are consequently used as carriers , are not “ carriers ...
421 페이지
Essays Thomas Henry Huxley. briefly the different habits of the breeds of Pigeons , all of which depend upon their ... homing " birds — the strange habit of spreading out the tail , and walking in a peculiar fashion , in the Fantail - and ...
Essays Thomas Henry Huxley. briefly the different habits of the breeds of Pigeons , all of which depend upon their ... homing " birds — the strange habit of spreading out the tail , and walking in a peculiar fashion , in the Fantail - and ...
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adapted admit Agamogenesis Ancon animalcules animals 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 domestic pigeons 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 lectures less living Maillet male matter means Mivart modification natural selection naturalists objections observation offspring organic nature organisation Origin of Species ovum parent peculiar phenomena philosophical physiological pigeons Pikermi present primitive stock produced Quarterly Reviewer question races reason remarkable result scientific selective breeding sensations sense special creation speculations spontaneous structure Suarez substantial forms suppose Teleology tendency theory thing thought tion toes variation varieties vegetabilia vegetable Wallace whole