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 xxv
... facts as these , if we suppose that each species of animal and plant , or each great type of organisation , was formed and placed upon the surface of the globe at long intervals by a distinct act of creative power ; HISTORICAL SKETCH . XXV.
... facts as these , if we suppose that each species of animal and plant , or each great type of organisation , was formed and placed upon the surface of the globe at long intervals by a distinct act of creative power ; HISTORICAL SKETCH . XXV.
Page 1
... facts in the distribution of the organic beings inhabiting South America , and in the geological relations of the present to the past in- habitants of that continent . These facts , as will be seen in the latter chapters of this volume ...
... facts in the distribution of the organic beings inhabiting South America , and in the geological relations of the present to the past in- habitants of that continent . These facts , as will be seen in the latter chapters of this volume ...
Page 2
... facts in illustration , but which , I hope , in most cases will suffice . No one can feel more sensible than I do of the necessity of hereafter publishing in detail all the facts , with refer- ences , on which my conclusions have been ...
... facts in illustration , but which , I hope , in most cases will suffice . No one can feel more sensible than I do of the necessity of hereafter publishing in detail all the facts , with refer- ences , on which my conclusions have been ...
Page 3
... facts and arguments on both sides of each question ; and this is here impossible . I much regret that want of space prevents my having the satisfaction of acknowledging the generous assistance which I have received from very many ...
... facts and arguments on both sides of each question ; and this is here impossible . I much regret that want of space prevents my having the satisfaction of acknowledging the generous assistance which I have received from very many ...
Page 9
... facts as the com- plex and extraordinary out - growths which invariably fol low from the insertion of a minute drop of poison by a gall - producing insect , show us what singular modifica- tions might result in the case of plants from a ...
... facts as the com- plex and extraordinary out - growths which invariably fol low from the insertion of a minute drop of poison by a gall - producing insect , show us what singular modifica- tions might result in the case of plants from a ...
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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 lamellę larvę 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