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 xvi
... occur among the first few and scattered inhabi- tants of the middle regions of Africa , some one would be better fitted than the others to bear the diseases of the country . This race would consequently multiply , while the others would ...
... occur among the first few and scattered inhabi- tants of the middle regions of Africa , some one would be better fitted than the others to bear the diseases of the country . This race would consequently multiply , while the others would ...
Page 1
... occurred to me , in 1837 , that something might perhaps be made out on this question by patiently accumulating and reflecting on all sorts of facts which could possibly have any bearing on it . After five years ' work I allowed myself ...
... occurred to me , in 1837 , that something might perhaps be made out on this question by patiently accumulating and reflecting on all sorts of facts which could possibly have any bearing on it . After five years ' work I allowed myself ...
Page 12
... occur rarely under nature , but are far from rare under culture . As a single bud out of the many thousands , produced year after year on the same tree under uniform conditions , has been known suddenly to assume a new character ; and ...
... occur rarely under nature , but are far from rare under culture . As a single bud out of the many thousands , produced year after year on the same tree under uniform conditions , has been known suddenly to assume a new character ; and ...
Page 28
... occur together in any other species of the whole family . Now , in every one of the domestic breeds , taking thoroughly well - bred birds , all the above marks , even to the white edging of the outer tail- feathers , sometimes concur ...
... occur together in any other species of the whole family . Now , in every one of the domestic breeds , taking thoroughly well - bred birds , all the above marks , even to the white edging of the outer tail- feathers , sometimes concur ...
Page 52
... occur which resemble normal structures in widely different animals . Thus pigs have occasionally been born with a sort of proboscis , and if any wild species of the same genus had naturally possessed a proboscis , it might have been ...
... occur which resemble normal structures in widely different animals . Thus pigs have occasionally been born with a sort of proboscis , and if any wild species of the same genus had naturally possessed a proboscis , it might have been ...
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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