The Origin of Species by Means of Natural Selection: Or the Preservation of Favored Races in the Struggle for Life |
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Page xx
... continuous operation of creative power , or of the ordained becoming of living things . " Farther on ( p . xc . ) , after referring to geographical dis- tribution , he adds , " These phenomena shake our confi- dence in the conclusion ...
... continuous operation of creative power , or of the ordained becoming of living things . " Farther on ( p . xc . ) , after referring to geographical dis- tribution , he adds , " These phenomena shake our confi- dence in the conclusion ...
Page xxi
... continuous operation . of creative power , " that I included Professor Owen with other palæontologists as being firmly convinced of the immutability of species ; but it appears ( Anat . of Ver- tebrates , ' vol . iii . p . 796 ) that ...
... continuous operation . of creative power , " that I included Professor Owen with other palæontologists as being firmly convinced of the immutability of species ; but it appears ( Anat . of Ver- tebrates , ' vol . iii . p . 796 ) that ...
Page 129
... continuous area , and will thus come into com- petition with many other forms . Moreover , great areas , though now continuous , will often , owing to former os- cillations of level , have existed in a broken condition ; so that the ...
... continuous area , and will thus come into com- petition with many other forms . Moreover , great areas , though now continuous , will often , owing to former os- cillations of level , have existed in a broken condition ; so that the ...
Page 143
... continuously ; it is far more prob- able that each form remains for long periods unaltered , and then again undergoes modification . Nor do I sup- pose that the most divergent varieties are invariably pre- served : a medium form may ...
... continuously ; it is far more prob- able that each form remains for long periods unaltered , and then again undergoes modification . Nor do I sup- pose that the most divergent varieties are invariably pre- served : a medium form may ...
Page 210
... continuous , that it has been continuous during a long period . Geology would lead us to believe that most continents have been broken up into islands even during the later tertiary periods ; and in such islands distinct species might ...
... continuous , that it has been continuous during a long period . Geology would lead us to believe that most continents have been broken up into islands even during the later tertiary periods ; and in such islands distinct species might ...
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Common terms and phrases
adapted affinities allied species America ancient appear Asa Gray beak become bees believe belonging birds breeds cause cells characters climate closely allied colour common continent crossed crustaceans degree developed difficulty distinct species domestic doubt effects eggs embryo existing extinct extremely facts favourable fertilised fertility flowers formation forms fossil Fritz Müller genera genus geological geological period Glacial period gradations greater number groups of species habits Hence hybrids important individuals inhabitants inherited insects instance instincts intercrossing intermediate kind lamellæ larvæ less living males mammals manner marsupials migration modified descendants natural selection naturalists nearly nest occasionally offspring organisation organs parent peculiar perfect pigeon pistil pollen present principle probably produced progenitor quadrupeds ranked remarked resemblance rudimentary seeds sexual selection Silurian slight South America stamens sterility structure successive supposed swimbladder tend theory tion trees variability variations varieties vary whilst whole wings young