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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82개의 결과 중 1 - 5개
xi 페이지
... given in the fourth edition . A new fourth French edition has been translated by Colonel Moulinié ; of which the first half is from the fifth English , and the latter half from the present edition . A third German edition , under the ...
... given in the fourth edition . A new fourth French edition has been translated by Colonel Moulinié ; of which the first half is from the fifth English , and the latter half from the present edition . A third German edition , under the ...
xii 페이지
... given for dis- believing in great and sudden modifications . Gradations of character , often accompanied by changes of function , are likewise here incidentally considered . 214 The statement with respect to young cuckoos ejecting their ...
... given for dis- believing in great and sudden modifications . Gradations of character , often accompanied by changes of function , are likewise here incidentally considered . 214 The statement with respect to young cuckoos ejecting their ...
xvi 페이지
... given in his 55th Lecture , published in the ' Lancet ' in 1834 . In 1831 Mr. Patrick Matthew published his work on ' Naval Timber and Arboriculture , ' in which he gives precisely the same view on the origin of species as that ...
... given in his 55th Lecture , published in the ' Lancet ' in 1834 . In 1831 Mr. Patrick Matthew published his work on ' Naval Timber and Arboriculture , ' in which he gives precisely the same view on the origin of species as that ...
3 페이지
... apparent and gravest difficulties in accepting the theory will be given namely , first , the difficulties of transitions , or how a simple being or a simple organ can be changed and 2 Introduction . CHAPTER I VARIATION UNDER DOMESTICATION.
... apparent and gravest difficulties in accepting the theory will be given namely , first , the difficulties of transitions , or how a simple being or a simple organ can be changed and 2 Introduction . CHAPTER I VARIATION UNDER DOMESTICATION.
9 페이지
... given in Isidore Geoffroy St. Hilaire's great work on this subject . Breeders believe that long limbs are almost always accompanied by an elongated head . Some instances of correlation are quite whimsical : thus cats which are entirely ...
... given in Isidore Geoffroy St. Hilaire's great work on this subject . Breeders believe that long limbs are almost always accompanied by an elongated head . Some instances of correlation are quite whimsical : thus cats which are entirely ...
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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