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 529
... races of man - The state of man when he first spread over the earth - Each race not descended from a single pair - The extinction of races - The formation of races - The effects of crossing - Slight influence of the direct action of the ...
... races of man - The state of man when he first spread over the earth - Each race not descended from a single pair - The extinction of races - The formation of races - The effects of crossing - Slight influence of the direct action of the ...
Página 536
... races ; But the most weighty of all the arguments against treating the races of man as distinct species , is that they graduate into each other , inde- pendently in many cases , as far as we can judge , of their having inter- crossed ...
... races ; But the most weighty of all the arguments against treating the races of man as distinct species , is that they graduate into each other , inde- pendently in many cases , as far as we can judge , of their having inter- crossed ...
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 ...
Contenido
INTRODUCTION | 3 |
VARIATION UNDER DOMESTICATION | 15 |
CHAPTER II | 38 |
Derechos de autor | |
Otras 23 secciones no mostradas
Otras ediciones - Ver todas
The Origin of Species by Means of Natural Selection: Or, The Preservation of ... Charles Darwin Vista de fragmentos - 1936 |
The Origin of the Species by Means of Natural Selection Charles Darwin Sin vista previa disponible - 2012 |
Términos y frases comunes
acquired adult allied apes appear Argus pheasant beak beautiful become believe birds breeds cause characters 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 gradations greater number groups habits horns hybrids important individuals inhabitants inherited insects instance instincts intermediate islands kind larvæ latter Lepidoptera less likewise living Malay Archipelago males mammæ mammals manner Marsupials modified monkeys natural selection naturalists nearly nest observed occur ocelli offspring organs Origin of Species ornaments perfect period pigeons plants plumage pollen possess present probably produced progenitor quadrupeds races relation remarks resemble rudimentary seeds sexes sexual selection shew shewn slight South America sterility stridulating structure supposed tail tion transmitted variability variations varieties various vary whilst whole widely wings young Zoolog