On the Origin of Species by Means of Natural Selection: Or The Preservation of Favoured Races in the Struggle for Life |
From inside the book
Results 1-5 of 50
Page 15
... compared one with another , and more especially when compared with all the species in nature to which they are nearest allied . With these exceptions ( and with that of the perfect fertility of varieties when crossed , ―a subject ...
... compared one with another , and more especially when compared with all the species in nature to which they are nearest allied . With these exceptions ( and with that of the perfect fertility of varieties when crossed , ―a subject ...
Page 25
... compared with all other Columbida , though so like in most other respects to the rock - pigeon ; the blue colour and ... comparing the several sub - breeds of these varieties , more especially those brought from distant countries , we ...
... compared with all other Columbida , though so like in most other respects to the rock - pigeon ; the blue colour and ... comparing the several sub - breeds of these varieties , more especially those brought from distant countries , we ...
Page 30
... compared with drawings made only twenty or thirty years ago . When a race of plants is once pretty well established ... comparing the diversity of flowers in the different varieties of the same species in the flower - garden ; the ...
... compared with drawings made only twenty or thirty years ago . When a race of plants is once pretty well established ... comparing the diversity of flowers in the different varieties of the same species in the flower - garden ; the ...
Page 31
... compared to the ' roguing ' of plants by nurserymen . The principle of selection I find dis- tinctly given in an ancient Chinese encyclopædia . Explicit rules are laid down by some of the Roman classical writers . From passages in ...
... compared to the ' roguing ' of plants by nurserymen . The principle of selection I find dis- tinctly given in an ancient Chinese encyclopædia . Explicit rules are laid down by some of the Roman classical writers . From passages in ...
Page 33
... compared with the stock formerly kept in this country . By comparing the accounts given in old pigeon treatises of carriers and tumblers with these breeds as now existing in Britain , India , and Persia , we can , I think , clearly ...
... compared with the stock formerly kept in this country . By comparing the accounts given in old pigeon treatises of carriers and tumblers with these breeds as now existing in Britain , India , and Persia , we can , I think , clearly ...
Other editions - View all
Common terms and phrases
accumulated adapted affinities allied species America amount analogous ancient appear Archipelago become bees believe birds breeds cause cells characters cirripedes climate closely allied colour common parent continuous crossed crustaceans degree difficulty distinct species divergence doubt embryo endemic Europe existing exterminated extinct extremely facts favourable fertility flowers formations forms fossil Gärtner genera genus geological geological period Glacial period gradations greater number groups of species habits Hence hermaphrodites hybrids hybrids produced important individuals inhabitants inherited insects instance instincts intercrossing land larvæ less living male mammals manner Marsupials migration modification modified descendants natural selection naturalists nearly nest oceanic islands offspring organisation perfect pigeons pistil plants pollen present principle probably produced progenitor ranked reciprocal crosses remarked resemble rock-pigeon rudimentary organs seeds sexual selection Silurian slight South America sterility structure struggle successive suppose swimbladder tend theory tion trees variability variation vary whole widely