On the Origin of Species by Means of Natural Selection: Or The Preservation of Favoured Races in the Struggle for Life |
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Page 10
... extremely rare under nature , but far from rare under cultivation ; and in this case we see that the treatment of the parent has affected a bud or offset , and not the ovules or pollen . But it is the opinion of most physiologists that ...
... extremely rare under nature , but far from rare under cultivation ; and in this case we see that the treatment of the parent has affected a bud or offset , and not the ovules or pollen . But it is the opinion of most physiologists that ...
Page 21
... extremely different races or species , would be very difficult . Sir J. Sebright expressly experi- mented for this object , and failed . The offspring from the first cross between two pure breeds is tolerably and sometimes ( as I have ...
... extremely different races or species , would be very difficult . Sir J. Sebright expressly experi- mented for this object , and failed . The offspring from the first cross between two pure breeds is tolerably and sometimes ( as I have ...
Page 35
... extremely alike the flowers ; how unlike the flowers of the heartsease are , and how alike the leaves ; how much the fruit of the different kinds of gooseberries differ in size , colour , shape , and hairiness , and yet the flowers ...
... extremely alike the flowers ; how unlike the flowers of the heartsease are , and how alike the leaves ; how much the fruit of the different kinds of gooseberries differ in size , colour , shape , and hairiness , and yet the flowers ...
Page 41
... extremely small differences , and it is in human nature to value any novelty , however slight , in one's own possession . Nor must the value which would formerly be set on any slight differences in the indivi- duals of the same species ...
... extremely small differences , and it is in human nature to value any novelty , however slight , in one's own possession . Nor must the value which would formerly be set on any slight differences in the indivi- duals of the same species ...
Page 49
... extremely perplexing : I refer to those genera which have sometimes been called " protean " or " polymorphic , " in which the species present an inordi- nate amount of variation ; and hardly two naturalists can agree which forms to rank ...
... extremely perplexing : I refer to those genera which have sometimes been called " protean " or " polymorphic , " in which the species present an inordi- nate amount of variation ; and hardly two naturalists can agree which forms to rank ...
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Common terms and phrases
adapted affinities allied species America analogous ancient appear archipelago become bees believe birds breeds cause cells characters climate closely allied colour common continued crossed crustaceans degree difficulty distinct species doubt Edition eggs embryo Europe existing exterminated extinct extremely facts favourable Fcap females fertilised fertility flowers formation forms fossil Fritz Müller Gärtner genera genus geological geological period Glacial period gradations greater number groups of species habits Hence hermaphrodites History hybrids important individuals inhabitants inherited insects instance instincts intercrossing intermediate larvæ less living male mammals manner migration modification modified descendants natural selection naturalists nearly nest offspring organic organisation parent perfect pigeons pistil plants pollen Post 8vo present principle probably produced progenitor racters ranked reciprocal crosses remarked resemble rudimentary seeds Silurian slight South America stamens sterility structure struggle successive supposed theory tion variability variations varieties vary Vols whole widely Woodcuts