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 vi
... characters of trifling importance - its power at all ages and on both sexes Sexual Selection - On the generality of ... Character , related to the diversity of inhabitants of any small area , and to naturalisation - Action of Natural ...
... characters of trifling importance - its power at all ages and on both sexes Sexual Selection - On the generality of ... Character , related to the diversity of inhabitants of any small area , and to naturalisation - Action of Natural ...
Page vii
... characters more variable than generic : secondary sexual characters variable — Species of the same genus vary in an analogous manner - Reversions to long - lost characters Summary -- .. - Page 165-206 CHAPTER VI . DIFFICULTIES OF THE ...
... characters more variable than generic : secondary sexual characters variable — Species of the same genus vary in an analogous manner - Reversions to long - lost characters Summary -- .. - Page 165-206 CHAPTER VI . DIFFICULTIES OF THE ...
Page xii
... characters which are important under a morphological point of view , but are unimportant physiologically , not being ... character of the fossil mammals of Attica ; and Professor Huxley on the connecting forms between birds and reptiles ...
... characters which are important under a morphological point of view , but are unimportant physiologically , not being ... character of the fossil mammals of Attica ; and Professor Huxley on the connecting forms between birds and reptiles ...
Page xvii
... characters alone . After remarking that negroes and mulattoes enjoy an immunity from certain tropical diseases , he observes , firstly , that all animals tend to vary in some degree , and , secondly , that agriculturists improve their ...
... characters alone . After remarking that negroes and mulattoes enjoy an immunity from certain tropical diseases , he observes , firstly , that all animals tend to vary in some degree , and , secondly , that agriculturists improve their ...
Page xviii
... characters : " but farther on ( p . 18 ) he adds , " except the original types or ancestors of the genus . " In 1843 ... character , which we find to be a practical difficulty in ascertaining affinities ; second , of another impulse ...
... characters : " but farther on ( p . 18 ) he adds , " except the original types or ancestors of the genus . " In 1843 ... character , which we find to be a practical difficulty in ascertaining affinities ; second , of another impulse ...
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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