On the Origin of the Species by Means of Natural Selection: Or, The Preservation of Favoured Races in the Struggle for Life |
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Page v
... genera Many of the species of the larger genera resemble varieties in being very closely , but un- equally , related to each other , and in having restricted ranges ―― CHAPTER III . STRUGGLE FOR EXISTENCE . - Its bearing 48-70.
... genera Many of the species of the larger genera resemble varieties in being very closely , but un- equally , related to each other , and in having restricted ranges ―― CHAPTER III . STRUGGLE FOR EXISTENCE . - Its bearing 48-70.
Page 5
... ranges widely and is very numerous , and why another allied species has a narrow range and is rare ? Yet these relations are of the highest importance INTRODUCTION . 5 CHAPTER I.
... ranges widely and is very numerous , and why another allied species has a narrow range and is rare ? Yet these relations are of the highest importance INTRODUCTION . 5 CHAPTER I.
Page 48
... ranges . BEFORE applying the principles arrived at in the last chapter to organic beings in a state of nature , we must briefly discuss whether these latter are subject to any variation . To treat this subject at all properly , a long ...
... ranges . BEFORE applying the principles arrived at in the last chapter to organic beings in a state of nature , we must briefly discuss whether these latter are subject to any variation . To treat this subject at all properly , a long ...
Page 53
... range of varieties connected by intermediate links , and the extreme links of the chain closely resembled the two forms of an allied dimorphic species inhabiting another part of the Malay archipelago . Thus also with ants , the several ...
... range of varieties connected by intermediate links , and the extreme links of the chain closely resembled the two forms of an allied dimorphic species inhabiting another part of the Malay archipelago . Thus also with ants , the several ...
Page 58
... ranges over the same continent , or inhabits many islands in the same archipelago , and presents different forms in the different areas , there is always a good chance that intermediate forms may be discovered which shall link together ...
... ranges over the same continent , or inhabits many islands in the same archipelago , and presents different forms in the different areas , there is always a good chance that intermediate forms may be discovered which shall link together ...
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Common terms and phrases
accumulated adapted admit affinities allied species America analogous ancient appear archipelago Asa Gray become bees believe birds breeds cause cells characters cirripedes climate closely allied colour common continuous crossed crustaceans degree developed difficulty distinct species divergence doubt eggs embryo existing exterminated extinct extremely facts favourable females fertilised fertility flowers formation forms fossil Fritz Müller Gärtner genera genus geological Glacial period gradations greater number groups of species habits Hence hermaphrodites hive-bee hybrids important individuals inhabitants inherited insects instance instincts intercrossing larvæ less living males mammals manner migration modified descendants natural selection naturalists nearly nest occasionally occur oceanic islands offspring organisation parent perfect pigeons pistil pollen present principle probably produced progenitor racters ranked reciprocal crosses remarked resemble rudimentary organs seeds sexual sexual selection Silurian slight South America stamens sterility structure struggle successive suppose theory tion variability variations vary whilst whole