On the Origin of Species by Means of Natural Selection: Or The Preservation of Favored Races in the Struggle for Life, 2권D. Appleton, 1888 - 458페이지 |
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xi 페이지
... according as the evidence has become somewhat stronger or weaker . The more important corrections and some additions in the pre- sent volume are tabulated on the following page , for the convenience of those interested in the subject ...
... according as the evidence has become somewhat stronger or weaker . The more important corrections and some additions in the pre- sent volume are tabulated on the following page , for the convenience of those interested in the subject ...
xiv 페이지
... According to Isid . Geoffroy there is no doubt that Goethe was an extreme partisan of similar views , as shown in the Intro- duction to a work written in 1794 and 1795 , but not published till long afterwards he has pointedly remarked ...
... According to Isid . Geoffroy there is no doubt that Goethe was an extreme partisan of similar views , as shown in the Intro- duction to a work written in 1794 and 1795 , but not published till long afterwards he has pointedly remarked ...
6 페이지
... each Individual organism , in nearly the same manner as a chill affects different men in an indefinite manner , according to their state of body or constitution , causing coughs or colds , 6 CHAP . L Variation under Domestication .
... each Individual organism , in nearly the same manner as a chill affects different men in an indefinite manner , according to their state of body or constitution , causing coughs or colds , 6 CHAP . L Variation under Domestication .
29 페이지
... according to the state of civilisation of the inhabitants , -slowly to add to the characteristic features of the breed , whatever they may be . But the chance will be infinitely small of any record having been preserved of such slow ...
... according to the state of civilisation of the inhabitants , -slowly to add to the characteristic features of the breed , whatever they may be . But the chance will be infinitely small of any record having been preserved of such slow ...
40 페이지
... according to age or development , sometimes without any assignable reason . Such characters are not of course of specific value , but they are , as Asa Gray has remarked in commenting on this memoir , such as generally enter into ...
... according to age or development , sometimes without any assignable reason . Such characters are not of course of specific value , but they are , as Asa Gray has remarked in commenting on this memoir , such as generally enter into ...
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adapted admit affinities allied species America analogous ancient appear Asa Gray beak become bees believe belonging birds breeds cause cells characters climate closely allied colour continued crossed crustaceans degree developed difficulty distinct species doubt effects eggs embryo existing extinct extremely facts favourable fertilised fertility flowers formation formerly forms fossil Fritz Müller genera genus geological geological period Glacial period gradations greater number habits Hence hybrids important individuals inhabitants inherited insects instance instincts intercrossing intermediate kind lamellæ larvæ less living male mammals manner Marsupials migration modified descendants natural selection naturalists nearly nest occasionally occur oceanic islands offspring organisation organs parent peculiar perfect pigeon pistil pollen present preserved principle probably produced quadrupeds ranked reciprocal crosses remarked reproductive resemblance rudimentary seeds sexual selection slight South America stamens sterility structure struggle successive supposed tend theory tion variability variations varieties vary whilst whole wings young