The Doctrine of Descent and DarwinismD. Appleton and Company, 1875 - Всего страниц: 334 |
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Стр. 4
... known lan- guages . And when , in the middle of last century , the two opinions , that language was invented or revealed , were sharply opposed to each other , and when Süssmilch ( 1764 ) , in contradiction to Maupertuis and Jean J ...
... known lan- guages . And when , in the middle of last century , the two opinions , that language was invented or revealed , were sharply opposed to each other , and when Süssmilch ( 1764 ) , in contradiction to Maupertuis and Jean J ...
Стр. 15
... known by the name of the Principle of Sufficient Cause , extends likewise to events with which it is not supposed to come in contact . Even the freest will can- not evoke them without a determining impulse . " " We must , therefore ...
... known by the name of the Principle of Sufficient Cause , extends likewise to events with which it is not supposed to come in contact . Even the freest will can- not evoke them without a determining impulse . " " We must , therefore ...
Стр. 37
... known , is by no means to be sought in a direct relationship , but in a remote cousinhood . But we must draw attention , not to these connecting forms , which natural history assumes as perfectly self- evident , but to those which are ...
... known , is by no means to be sought in a direct relationship , but in a remote cousinhood . But we must draw attention , not to these connecting forms , which natural history assumes as perfectly self- evident , but to those which are ...
Стр. 42
... , we have an illustration of the same process , only in a somewhat more complicated form . It is known that from the intestinal canal of individuals ALTERNATE GENERATION . 43 afflicted with tape - worm , 42 THE DOCTRINE OF DESCENT .
... , we have an illustration of the same process , only in a somewhat more complicated form . It is known that from the intestinal canal of individuals ALTERNATE GENERATION . 43 afflicted with tape - worm , 42 THE DOCTRINE OF DESCENT .
Стр. 69
... known in the Silurian and Devonian strata , have the legs been preserved . In these three - lobed crabs , the head , trunk , and tail distinctly ap- pear , as well as the threefold transverse division . The two composite eyes already ...
... known in the Silurian and Devonian strata , have the legs been preserved . In these three - lobed crabs , the head , trunk , and tail distinctly ap- pear , as well as the threefold transverse division . The two composite eyes already ...
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Часто встречающиеся слова и выражения
according adaptation already Ammonites Amphibians animal world apes appearance Ascidian become birds brain causes Cetacea character characteristics comparative anatomy complete connection continent Darwin dentition derivation diverge doctrine of Descent Echinoderms embryonic Eocene exhibit external facts families fauna fish formation fossil Ganoids Gastrula genera genus geological Goethe grade gradually groups Haeckel heredity higher horse human hypothesis idea individual infer intermediate forms islands lancelet language larva larvæ likewise linguistic Linnæus lower mammals Marsupials Medusa ment merely metamorphosis modifications morphological mutability natural selection observation Oolite organisms origin peculiar pedigree perfect period phase phenomena placenta plants polypes possess present primordial progenitors races relations remains reproduction reptiles resemblance Rütimeyer says scarcely scientific separate sexual Silurian skull species sponges strata structure systematic terrestrial animals Tertiary theory of selection tion transformation transition true Ungulata Ungulates varieties vegetal vertebral column Vertebrata vertebrate animals whole
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Стр. 162 - There is grandeur in this view of life, with its several powers, having been originally breathed by the Creator into a few forms or into one; and that, whilst this planet has gone cycling on according to the fixed law of gravity, from so simple a beginning endless forms most beautiful and most wonderful have been, and are being evolved.18 Darwin always knew that his views would be controversial. A few days before The Origin of Species appeared, Darwin wrote, in a letter to Wallace, 'God knows what...
Стр. 160 - I had not formerly sufficiently considered the existence of many structures which appear to be, as far as we can judge, neither beneficial nor injurious ; and this I believe to be one of the greatest oversights as yet detected in my work.
Стр. 160 - Na'geli on plants, and the remarks by various authors with respect to animals, more especially those recently made by Professor Broca, that in the earlier editions of my Origin of Species I perhaps attributed too much to the action of natural selection or the survival of the fittest.