Darwiniana: Essays and Reviews Pertaining to DarwinismD. Appleton, 1878 - Всего страниц: 396 |
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Стр. viii
... Conclusion · PAGE 87 104 129 ARTICLE IV . SPECIES AS TO VARIATION , GEOGRAPHICAL DISTRIBUTION , AND SUCCESSION . Alphonse De Candolle's Study of the Oak Genus . - Variability of the Species . - Antiquity . - A Common Origin probable ...
... Conclusion · PAGE 87 104 129 ARTICLE IV . SPECIES AS TO VARIATION , GEOGRAPHICAL DISTRIBUTION , AND SUCCESSION . Alphonse De Candolle's Study of the Oak Genus . - Variability of the Species . - Antiquity . - A Common Origin probable ...
Стр. xi
... Conclusion that Races sexually propa- gated need not die of Old Age . - This Conclusion inferred from the Provisions and Arrangements in Nature to secure Cross - Fertilization of Individuals . - Reference to Mr. Darwin's Development of ...
... Conclusion that Races sexually propa- gated need not die of Old Age . - This Conclusion inferred from the Provisions and Arrangements in Nature to secure Cross - Fertilization of Individuals . - Reference to Mr. Darwin's Development of ...
Стр. 10
... conclusions have been grounded . At least it is a more readable book : but all the facts that can be mustered in favor of the theory are still likely to be needed . Who , upon a single perusal , shall pass judgment upon a work like this ...
... conclusions have been grounded . At least it is a more readable book : but all the facts that can be mustered in favor of the theory are still likely to be needed . Who , upon a single perusal , shall pass judgment upon a work like this ...
Стр. 26
... conclude , from the observation of plants and animals in a wild as well as domesticated state , that the tendency to vary is general , and even universal . Mr. Darwin does " not believe that variability is an inherent and necessary ...
... conclude , from the observation of plants and animals in a wild as well as domesticated state , that the tendency to vary is general , and even universal . Mr. Darwin does " not believe that variability is an inherent and necessary ...
Стр. 28
... conclusion in regard to many species of finches , or other large groups of birds , in Nature . One circumstance has struck me much ; namely , that all the breeders of the various domestic animals and the cultivators of plants , with ...
... conclusion in regard to many species of finches , or other large groups of birds , in Nature . One circumstance has struck me much ; namely , that all the breeders of the various domestic animals and the cultivators of plants , with ...
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adaptation Agassiz appears argument atheistic auroch botanists Candolle Cloth common conclusion connection creation Darwin Darwin's theory Darwinian derivation descendants design in Nature direct divine doctrine doubt Drosera dysteleology equally evidence of design evolution existence explain extinct facts favor final causes force forms fossil genera geological glands Glyptostrobus gradation ground Hodge human hypothesis idea illustration individuals inference insects instance laws less living matter means ment mind miocene natural history natural selection natural theology naturalists nebular hypothesis object origin of species particular peculiar perhaps philosophical phyllotaxis physical plants and animals pollen present principle probably produced Prof propagated prove purpose question races reason regard remarks Review Sarracenia scientific seems sense Sequoia sexual reproduction sort structure succession suggest suppose Taxodium teleology tentacles tertiary theistic things thought tion tive trees variation varieties vary vegetable Westminster Reviewer whole
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Стр. 18 - 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.
Стр. 104 - 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...
Стр. 18 - 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.
Стр. 40 - Climate plays an important part in determining the average numbers of a species, and periodical seasons of extreme cold or drought seem to be the most effective of all checks.