On the Origin of the Species by Means of Natural Selection: Or, The Preservation of Favoured Races in the Struggle for Life |
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Page iv
... PLANTS UNDER DOMESTICATION . 2 vols . With Illustrations . 2 vols . 8vo . 28s . MURRAY . 1868 . A NATURALIST'S VOYAGE ROUND THE WORLD ; or , A JOURNAL OF RESEARCHES into the NATURAL HISTORY and GEOLOGY of the COUNTRIES visited during ...
... PLANTS UNDER DOMESTICATION . 2 vols . With Illustrations . 2 vols . 8vo . 28s . MURRAY . 1868 . A NATURALIST'S VOYAGE ROUND THE WORLD ; or , A JOURNAL OF RESEARCHES into the NATURAL HISTORY and GEOLOGY of the COUNTRIES visited during ...
Page vi
... plants — Nature of the checks to increase — Compe- tition universal - Effects of Climate Protection from the number of individuals - Complex relations of all animals and plants throughout nature - Struggle for life most severe between ...
... plants — Nature of the checks to increase — Compe- tition universal - Effects of Climate Protection from the number of individuals - Complex relations of all animals and plants throughout nature - Struggle for life most severe between ...
Page xii
... plants , which can be crossed by a distinct species , but are impotent with pollen from the same individual plant . Discussion on dimorphic and trimorphic plants cor- rected . Conclusions on the fertility of varieties when crossed , in ...
... plants , which can be crossed by a distinct species , but are impotent with pollen from the same individual plant . Discussion on dimorphic and trimorphic plants cor- rected . Conclusions on the fertility of varieties when crossed , in ...
Page 7
... plants and ani- mals , one of the first points which strikes us is , that they generally differ from each other more than do the individuals of any one species or variety in a state of nature . And if we reflect on the vast diversity of ...
... plants and ani- mals , one of the first points which strikes us is , that they generally differ from each other more than do the individuals of any one species or variety in a state of nature . And if we reflect on the vast diversity of ...
Page 10
... plants and animals when reared under new or unnatural conditions . Many facts clearly show how eminently susceptible the reproduc- tive system is to very slight changes in the surrounding conditions . Nothing is more easy than to tame ...
... plants and animals when reared under new or unnatural conditions . Many facts clearly show how eminently susceptible the reproduc- tive system is to very slight changes in the surrounding conditions . Nothing is more easy than to tame ...
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Common terms and phrases
accumulated adapted affinities allied species America ancient appear Asa Gray become bees believe birds breeds cause cells characters cirripedes climate closely allied colour common continuous crossed crustaceans degree difficulty distinct species divergence domestic doubt Edition eggs embryo existing exterminated extinct extremely facts favourable females fertilised fertility flowers formation forms fossil Fritz Müller Gärtner genera genus geological Glacial period gradations greater number groups of species habits Hence hermaphrodites hybrids important individuals inhabitants inherited insects instance instincts intercrossing intermediate larvæ less living males mammals manner migration modified descendants natural selection naturalists nearly nest occur oceanic islands offspring organisation parent perfect pigeons pistil pollen Post 8vo present principle probably produced progenitor racters ranked reciprocal crosses remarked resemble seeds sexual sexual selection Silurian slight South America stamens sterility structure struggle successive suppose theory tion variability variations varieties vary vols whole widely