The Origin of Species by Means of Natural Selection: Or, The Preservation of Favoured Races in the Struggle for Life, Volume 1 |
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Page xvii
... known paper ( ' Edinburgh Philosophi- cal Journal , ' vol . xiv . p . 283 ) on the Spongilla , clearly declares his belief that species are descended from other species , and that they become improved in the course of modification ...
... known paper ( ' Edinburgh Philosophi- cal Journal , ' vol . xiv . p . 283 ) on the Spongilla , clearly declares his belief that species are descended from other species , and that they become improved in the course of modification ...
Page xxiv
... known French botanist , M. Lecoq , writes in 1854 ( Etudes sur Géograph . Bot . , ' tom . i . p . 250 ) , " On voit que nos recherches sur la fixité ou la variation de l'espèce , nous conduisent directement aux idées émises ...
... known French botanist , M. Lecoq , writes in 1854 ( Etudes sur Géograph . Bot . , ' tom . i . p . 250 ) , " On voit que nos recherches sur la fixité ou la variation de l'espèce , nous conduisent directement aux idées émises ...
Page 5
... known laws of variation . In the five succeeding chapters , the most apparent and gravest difficulties in accepting the theory will be given : namely , first , the difficulties of transitions , or how a simple being or a simple organ ...
... known laws of variation . In the five succeeding chapters , the most apparent and gravest difficulties in accepting the theory will be given : namely , first , the difficulties of transitions , or how a simple being or a simple organ ...
Page 12
... known suddenly to assume a new character ; and as buds on distinct trees , growing under different con- ditions , have sometimes yielded nearly the same variety -for instance , buds on peach - trees producing nec- tarines , and buds on ...
... known suddenly to assume a new character ; and as buds on distinct trees , growing under different con- ditions , have sometimes yielded nearly the same variety -for instance , buds on peach - trees producing nec- tarines , and buds on ...
Page 16
... known to appear at the corresponding caterpillar or cocoon stage . But hereditary diseases and some other facts make me believe that the rule has a wider exten- sion , and that , when there is no apparent reason why a peculiarity should ...
... known to appear at the corresponding caterpillar or cocoon stage . But hereditary diseases and some other facts make me believe that the rule has a wider exten- sion , and that , when there is no apparent reason why a peculiarity should ...
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Common terms and phrases
adapted advantage allied analogous animals and plants appear Asa Gray beak become bees believe birds breeds caudicle cause cells characters climate closely colour common crossed cuckoo degree developed difficulty distinct species disuse divergence domestic animals domestic races doubt effects eggs existence extinct extremely facts favourable females flowers forms Fritz Müller genera genus giraffe gradations greater number groups habits Hence hermaphrodites hive-bee important improved increase in number individual differences inhabitants inherited insects instance instincts intercrossing intermediate kind lamellæ large number larger genera larvæ less likewise males manner Melipona Mivart natural selection naturalists nearly nest occasionally offspring organisation organs origin Origin of Species perfect period pigeons pollen pollen-grains present preserved principle probably produced progenitor quadrupeds rank Red Grouse relation remarked resemble rock-pigeon seeds sexes sexual sexual selection slight stamens structure struggle supposed swimbladder tend tendency tion transitional tree variability variations varieties vary widely wings young