Darwiniana: Essays and Reviews Pertaining to DarwinismD. Appleton, 1889 - 396 páginas |
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Página 20
... remarks that he can only hope to see the law hereafter proved true ( p . 449 ) ; and p . 338 : " Agassiz insists that ancient animals resemble to a certain extent the embryos of recent animals of the same classes ; or that the ...
... remarks that he can only hope to see the law hereafter proved true ( p . 449 ) ; and p . 338 : " Agassiz insists that ancient animals resemble to a certain extent the embryos of recent animals of the same classes ; or that the ...
Página 21
... remarks , " considered in the same light , would not fail also to exhibit unexpected evi- dence of thought , in the character of the laws regulat- ing the chemical combinations , the action of physical forces , etc. , etc. " Mr. Agassiz ...
... remarks , " considered in the same light , would not fail also to exhibit unexpected evi- dence of thought , in the character of the laws regulat- ing the chemical combinations , the action of physical forces , etc. , etc. " Mr. Agassiz ...
Página 27
... remarks that " at least a score of pigeons might be chosen which if shown to an ornithologist , and he were told that they were wild birds , would certainly be ranked by him as well - defined species . Moreover , I do not believe that ...
... remarks that " at least a score of pigeons might be chosen which if shown to an ornithologist , and he were told that they were wild birds , would certainly be ranked by him as well - defined species . Moreover , I do not believe that ...
Página 29
... remarks , " the correct way of viewing the whole subject would be , to look at the inheritance of every character whatever as the rule , and non - inheritance as the anomaly . " This , from general and obvious considerations , we have ...
... remarks , " the correct way of viewing the whole subject would be , to look at the inheritance of every character whatever as the rule , and non - inheritance as the anomaly . " This , from general and obvious considerations , we have ...
Página 45
... remark of Dr. Bachman that " the deer that reside permanently in the swamps of Caro- lina are taller and longer - legged than those in the higher grounds . " 1 " Quadrupeds of America , " vol . ii . , p . 239 . The limits allotted to ...
... remark of Dr. Bachman that " the deer that reside permanently in the swamps of Caro- lina are taller and longer - legged than those in the higher grounds . " 1 " Quadrupeds of America , " vol . ii . , p . 239 . The limits allotted to ...
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Términos y frases comunes
action adaptation Agassiz appears argument atheistic auroch bald cypress botanists Candolle Charles Darwin common conclusion connection creation crystalline lens Darwin Darwin's theory Darwinian derivation descendants Dionæa direct divine doctrine doubt Drosera equally evidence of design evolution existence explain extinct facts favor final causes force forms fossil genera genus geographical geological glands Glyptostrobus gradation ground human hypothesis idea illustration individuals inference insects instance laws least leaves less Linnæus living matter means ment mind miocene natural history natural selection natural theology naturalists nebular hypothesis object observation origin of species particular peculiar perhaps philosophical phyllotaxis physical plants and animals present principle probably produced proof prove question races reason regard region remarks reviewer Sarracenia scientific seems sense Sequoia sort structure succession sundew supernatural suppose Taxodium teleology tentacles tertiary theistic things thought tion tive trees types variation varieties vary vegetable whole
Pasajes populares
Página 129 - And God said, Let the earth bring forth the living creature after his kind, cattle, and creeping thing, and beast of the earth after his kind: and it was so.
Página 396 - ON SOUND : A Course of Eight Lectures delivered at the Royal Institution of Great Britain.
Página 274 - My substance was not hid from thee, when I was made in secret, and curiously wrought in the lowest parts of the earth.
Página 16 - ... of the former and present buds by ramifying branches may well represent the classification of all extinct and living species in groups subordinate to groups. Of the many twigs which flourished when the tree was a mere bush, only two or three, now grown into great branches, yet survive and bear the other branches; so with the species which lived during long-past geological periods, very few have left living and modified descendants.
Página 16 - The green and budding twigs may represent existing species; and those produced during each former year may represent the long succession of extinct species. At each period of growth all the growing twigs have tried to branch out on all sides, and to overtop and kill the surrounding twigs and branches, in the same manner as species and groups of species have tried to overmaster other species in the great battle for life.
Página 102 - I can entertain no doubt, after the most deliberate study and dispassionate judgment of which I am capable, that the view which most naturalists until recently entertained, and which I formerly entertained, namely, that each species has been independently created, is erroneous. I am fully convinced that species are not immutable...
Página 102 - ... been stated that I attribute the modification of species exclusively to natural selection, I may be permitted to remark that in the first edition of this work, and subsequently, I placed in a most conspicuous position — namely, at the close of the Introduction the following words : "I am convinced that natural selection has been the main but not the exclusive means of modification.