The Origin of Species by Means of Natural Selection: Or, the Preservation of Favored Races in the Struggle for Life, Volume 1D. Appleton, 1898 - Evolution |
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Page xvi
... Single Vision ' appeared in 1818. In this paper he distinctly recognises the principle of natural selection , and this is the first recognition which has been indi- cated ; but he applies it only to the races of man , and to certain ...
... Single Vision ' appeared in 1818. In this paper he distinctly recognises the principle of natural selection , and this is the first recognition which has been indi- cated ; but he applies it only to the races of man , and to certain ...
Page xvii
... single species of each genus were created in an originally highly plastic condition , and that these have produced , chiefly by intercrossing , but likewise by variation , all our existing species . In 1826 Professor Grant , in the ...
... single species of each genus were created in an originally highly plastic condition , and that these have produced , chiefly by intercrossing , but likewise by variation , all our existing species . In 1826 Professor Grant , in the ...
Page xxv
... single parent - form . In June , 1859 , Professor Huxley gave a lecture be- fore the Royal Institution on the Persistent Types of Animal Life . ' Referring to such cases , he remarks , " It is difficult to comprehend the meaning of such ...
... single parent - form . In June , 1859 , Professor Huxley gave a lecture be- fore the Royal Institution on the Persistent Types of Animal Life . ' Referring to such cases , he remarks , " It is difficult to comprehend the meaning of such ...
Page 2
... well aware that scarcely a single point is discussed in this volume on which facts cannot be adduced , often apparently leading to conclusions directly opposite to those at which I have arrived . A fair result. 2 INTRODUCTION .
... well aware that scarcely a single point is discussed in this volume on which facts cannot be adduced , often apparently leading to conclusions directly opposite to those at which I have arrived . A fair result. 2 INTRODUCTION .
Page 11
... which have suddenly produced a single bud with a new and sometimes widely different character from that of the other buds on the same plant . These bud variations , as they may. CHAP . I. ] VARIATION UNDER DOMESTICATION . 11.
... which have suddenly produced a single bud with a new and sometimes widely different character from that of the other buds on the same plant . These bud variations , as they may. CHAP . I. ] VARIATION UNDER DOMESTICATION . 11.
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Common terms and phrases
adapted advantage allied analogous animals and plants appear Asa Gray beak become bees believe birds breeds caudicle cause cells characters climate closely colour common crossed cuckoo degree descendants developed difficulty distinct species disuse divergence domestic animals domestic races doubt effects eggs existence extinct extremely facts favourable females flowers forms Fritz Müller genera genus giraffe gradations greater number groups habits Hence hermaphrodites hive-bee important increase inhabitants inherited insects instance instincts intercrossing intermediate kind lamellæ large number larger genera larvæ less males manner Melipona Mivart modified natural selection naturalists nearly nest occasionally offspring organisation organs origin Origin of Species parent perfect period pigeons pollen pollen-grains present preserved prey principle probably produced progenitor quadrupeds rank rarely Red Grouse relation remarked resemble rock-pigeon seeds sexes sexual selection slight stamens striped structure struggle supposed swimbladder tend tendency tion tree variability variations varieties vary widely wings young