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 6
... allied species has a narrow range and is rare ? Yet these relations are of the highest importance , for they determine the present welfare and , as I believe , the future success and modification of every inhabitant of this world ...
... allied species has a narrow range and is rare ? Yet these relations are of the highest importance , for they determine the present welfare and , as I believe , the future success and modification of every inhabitant of this world ...
Page 18
... allied species , we generally perceive in each domestic race , as already remarked , less uniformity of character ... allied . With these exceptions ( and with that of the perfect fertility of varieties when crossed , a subject hereafter ...
... allied species , we generally perceive in each domestic race , as already remarked , less uniformity of character ... allied . With these exceptions ( and with that of the perfect fertility of varieties when crossed , a subject hereafter ...
Page 19
... allied domestic races , we are soon involved in doubt , from not knowing whether they are descended from one or several parent species . This point , if it could be cleared up , would be interesting ; if , for instance , it could be ...
... allied domestic races , we are soon involved in doubt , from not knowing whether they are descended from one or several parent species . This point , if it could be cleared up , would be interesting ; if , for instance , it could be ...
Page 24
... allied to the carrier , but , instead of a long beak has a very short and broad one . The pouter has a much elongated body , wings , and legs ; and its enormously developed crop , which it glories in inflating , may well excite ...
... allied to the carrier , but , instead of a long beak has a very short and broad one . The pouter has a much elongated body , wings , and legs ; and its enormously developed crop , which it glories in inflating , may well excite ...
Page 34
... allied species . Some effect may be at- tributed to the direct and definite action of the external conditions of life , and some to habit ; but he would be a bold man who would account by such agencies for the differences between a dray ...
... allied species . Some effect may be at- tributed to the direct and definite action of the external conditions of life , and some to habit ; but he would be a bold man who would account by such agencies for the differences between a dray ...
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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