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 v
... Pigeons , their Differences and Origin - Principles of Selection anciently followed , their Effects - Methodical and Unconscious Selection - Unknown Origin of our Domestic Productions - Circumstances favourable to Man's power of ...
... Pigeons , their Differences and Origin - Principles of Selection anciently followed , their Effects - Methodical and Unconscious Selection - Unknown Origin of our Domestic Productions - Circumstances favourable to Man's power of ...
Page 7
... Pigeons , their Differences and Origin - Principles of Selection , anciently fol- lowed , their Effects Methodical and Unconscious Selection— Unknown Origin of our Domestic Productions - Circumstances favourable to Man's power of ...
... Pigeons , their Differences and Origin - Principles of Selection , anciently fol- lowed , their Effects Methodical and Unconscious Selection— Unknown Origin of our Domestic Productions - Circumstances favourable to Man's power of ...
Page 12
... pigeons with feathered feet have skin between their outer toes ; pigeons with short beaks have small feet , and those with long beaks large feet . Hence if man goes on selecting , and thus augmenting , any peculiarity , he will almost ...
... pigeons with feathered feet have skin between their outer toes ; pigeons with short beaks have small feet , and those with long beaks large feet . Hence if man goes on selecting , and thus augmenting , any peculiarity , he will almost ...
Page 21
... pigeons ) extremely uniform , and everything seems simple enough ; but when these mongrels are crossed one with ... pigeons . I have kept every breed which I could pur- chase or obtain , and have been most kindly favoured with skins from ...
... pigeons ) extremely uniform , and everything seems simple enough ; but when these mongrels are crossed one with ... pigeons . I have kept every breed which I could pur- chase or obtain , and have been most kindly favoured with skins from ...
Page 22
... pigeons , and some of them are very important , as being of con- siderable antiquity . I have associated with several eminent fanciers , and have been permitted to join two of the London Pigeon Clubs . The diversity of the breeds is ...
... pigeons , and some of them are very important , as being of con- siderable antiquity . I have associated with several eminent fanciers , and have been permitted to join two of the London Pigeon Clubs . The diversity of the breeds is ...
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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