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 xxiv
... geologist , Count Keyserling ( Bulletin de la Soc . Géolog . , ' 2nd Ser . , tom . x . p . 357 ) , suggested that as ... geology . émises , par deux hommes justement célèbres , Geoffroy Saint xxiv HISTORICAL SKETCH .
... geologist , Count Keyserling ( Bulletin de la Soc . Géolog . , ' 2nd Ser . , tom . x . p . 357 ) , suggested that as ... geology . émises , par deux hommes justement célèbres , Geoffroy Saint xxiv HISTORICAL SKETCH .
Page xxvi
... geological time is but very small in relation to the whole series of changes which they have suffered . " In December , 1859 , Dr. Hooker published his Intro- duction to the Australian Flora . ' In the first part of this great work he ...
... geological time is but very small in relation to the whole series of changes which they have suffered . " In December , 1859 , Dr. Hooker published his Intro- duction to the Australian Flora . ' In the first part of this great work he ...
Page 1
... 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 , seemed to throw some light on the origin of species - that mys- tery of mysteries ...
... 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 , seemed to throw some light on the origin of species - that mys- tery of mysteries ...
Page 3
... geological succession , and other such facts , might come to the conclusion that species had not been independently created , but had descended , like varieties , from other species . Never- theless , such a conclusion , even if well ...
... geological succession , and other such facts , might come to the conclusion that species had not been independently created , but had descended , like varieties , from other species . Never- theless , such a conclusion , even if well ...
Page 5
... Geological Record . In the next chapter I shall consider the geological succession of organic beings throughout time ; in the twelfth and thirteenth , their INTRODUCTION . 5 20.
... Geological Record . In the next chapter I shall consider the geological succession of organic beings throughout time ; in the twelfth and thirteenth , their INTRODUCTION . 5 20.
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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