On the Origin of Species by Means of Natural Selection: Or The Preservation of Favored Races in the Struggle for Life, Volume 2 |
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Page 4
... formerly entertained — namely , that each species has been independently created - is erroneous . I am fully convinced that species are not immutable ; but that those belonging to what are called the same genera are lineal descendants ...
... formerly entertained — namely , that each species has been independently created - is erroneous . I am fully convinced that species are not immutable ; but that those belonging to what are called the same genera are lineal descendants ...
Page 14
... formerly existed eleven wild species of sheep peculiar to Great Britain ! When we bear in mind that Britain has now not one peculiar mammal , and France but few distinct from those of Germany , and so with Hungary , Spain , & c . , but ...
... formerly existed eleven wild species of sheep peculiar to Great Britain ! When we bear in mind that Britain has now not one peculiar mammal , and France but few distinct from those of Germany , and so with Hungary , Spain , & c . , but ...
Page 19
... extreme . From these several reasons , namely , —the improbability of mar having formerly made seven or eight supposed species of pigeons to breed freely under domestication ; - these supposed species being CHAP . 1 . 19 Domestic Pigeons .
... extreme . From these several reasons , namely , —the improbability of mar having formerly made seven or eight supposed species of pigeons to breed freely under domestication ; - these supposed species being CHAP . 1 . 19 Domestic Pigeons .
Page 25
... formerly did so , as is attested by passages in Pliny . The savages in South Africa match their draught cattle by colour , as do some of the Esquimaux their teams of dogs . Livingstone states that good domestic breeds are highly valued ...
... formerly did so , as is attested by passages in Pliny . The savages in South Africa match their draught cattle by colour , as do some of the Esquimaux their teams of dogs . Livingstone states that good domestic breeds are highly valued ...
Page 26
... formerly kept in this country . By comparing the accounts given in various old treatises of the former and present state of carrier and tumbler pigeons in Britain , India , and Persia , we can trace the stages through which they have ...
... formerly kept in this country . By comparing the accounts given in various old treatises of the former and present state of carrier and tumbler pigeons in Britain , India , and Persia , we can trace the stages through which they have ...
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Common terms and phrases
adapted admit affinities allied species America analogous ancient appear Asa Gray beak become bees believe belonging birds breeds cause cells characters climate closely allied colour continued crossed crustaceans degree developed difficulty distinct species doubt effects eggs embryo existing extinct extremely facts favourable fertilised fertility flowers formation formerly forms fossil Fritz Müller genera genus geological geological period Glacial period gradations greater number habits Hence hybrids important individuals inhabitants inherited insects instance instincts intercrossing intermediate kind lamellæ larvæ less living male mammals manner Marsupials migration modified descendants natural selection naturalists nearly nest occasionally occur oceanic islands offspring organisation organs parent peculiar perfect pigeon pistil pollen present preserved principle probably produced quadrupeds ranked reciprocal crosses remarked reproductive resemblance rudimentary seeds sexual selection slight South America stamens sterility structure struggle successive supposed tend theory tion variability variations varieties vary whilst whole wings young