The Origin of Species by Means of Natural Selection: Or, The Preservation of Favored Races in the Struggle for Life and The Descent of Man and Selection in Relation to SexModern library, 1936 - 1000 páginas |
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Página 23
... races from several aboriginal stocks , has been carried to an absurd extreme by some authors . They believe that every race which breeds true , let the distinctive charac- ters be ever so slight , has had its wild prototype . At this ...
... races from several aboriginal stocks , has been carried to an absurd extreme by some authors . They believe that every race which breeds true , let the distinctive charac- ters be ever so slight , has had its wild prototype . At this ...
Página 535
... races , either completely black or completely white , or rarely piebald . On the other hand , it is notorious that in America mulattoes commonly present an in- termediate appearance . We have now seen that a naturalist might feel ...
... races , either completely black or completely white , or rarely piebald . On the other hand , it is notorious that in America mulattoes commonly present an in- termediate appearance . We have now seen that a naturalist might feel ...
Página 542
... Races of Man . - The partial or complete ex- tinction of many races and sub - races of man is historically known . Hum- boldt saw in South America a parrot which was the sole living creature that could speak a word of the language of a ...
... Races of Man . - The partial or complete ex- tinction of many races and sub - races of man is historically known . Hum- boldt saw in South America a parrot which was the sole living creature that could speak a word of the language of a ...
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The Origin of Species by Means of Natural Selection: Or, The Preservation of ... Charles Darwin Vista de fragmentos - 1936 |
Términos y frases comunes
acquired adult allied apes appear beak beautiful become believe birds breeds cause characters civilised closely colour common confined crossed crustaceans degree descended developed distinct species domestic doubt eggs existing extinct extremely fact favourable feathers female fertility fishes formation forms Fritz Müller genera genus given gradations greater number groups habits Hence hybrids important individuals inhabitants inherited insects instance instincts intermediate islands kind larvæ latter Lepidoptera less likewise living lower animals Malay Archipelago males mammæ mammals manner Marsupials modified monkeys natural selection naturalists nearly nest observed ocelli offspring organs Origin of Species ornaments perfect period pigeons plumage pollen present probably produced progenitor quadrupeds races Red Grouse relation remarks resemble rudimentary seeds sexes sexual selection shew shewn slight South America sterility stridulating structure supposed tail tion variability variations varieties various vary whilst whole widely wings young