| 1870 - 452 頁
...too much nor too little added ; how the various modes of reproduction are connected, and so forth. I am aware that my view is merely a provisional hypothesis...speculation ; but, until a better one be advanced, it may be serviceable by bringing together a multitude of facts which are at present left disconnected... | |
| 1871 - 558 頁
...too much nor too little added ; how the various modes of reproduction are connected, and so forth. I am aware that my view is merely a provisional hypothesis...speculation ; but, until a better one be advanced, it may be serviceable by bringing together a multitude of facts which are at present left disconnected... | |
| 1870 - 846 頁
...too much nor too little added ; how the various modes of reproduction are connected, and so forth. 1 am aware that my view is merely a provisional hypothesis or speculation ; but, until a better one 1« advanced, it may be serviceable by bringing together a multitude of facts which are at present... | |
| Charles Darwin - 1876 - 544 頁
...tho course of its development through the most complex metamorphoses, and tho other does not do RO, though when mature both are alike in every detail of structure. I am aware that my view IB merely a provisional hypothesis or speculation ; but until a better one be advanced, it will serve... | |
| Charles Darwin - 1887 - 528 頁
...in the course of its development through the most complex metamorphoses, and the other does not do so, though when mature both are alike in every detail...merely a provisional hypothesis or speculation; but 37 until a bettor one be advanced, it will servo to bring together a multitude of facts which are at... | |
| Charles Darwin - 1890 - 532 頁
...in the course of its development through the most complex metamorphoses, and the other does not do so, though when mature both are alike in every detail...provisional hypothesis or speculation ; but until a bettor one be advanced, it will serve to bring together a multitude of facts which are at present left... | |
| John Berry Haycraft - 1895 - 206 頁
...of 800 pages. Darwin here says (vol. ii., p. 349): " I am aware that my view is merely a provincial hypothesis or speculation ; but until a better one...present left disconnected by any efficient cause." Weismann's speculations, equally unfounded on fact, are nevertheless viewed by him as being of sufficient... | |
| Charles Darwin - 1898 - 522 頁
...in the course of its developmont through the most complex metamorphoses, and the other does not do so, though when mature both are alike in every detail...cause. As Whewell, the historian of the inductive Kciences, remarks : — " Hypotheses may often be of service to " science, when they involve a certain... | |
| Thomas Hunt Morgan - 1903 - 498 頁
...in the course of its development through the most complex metamorphoses, and the other does not do so, though when mature both are alike in every detail...present left disconnected by any efficient cause." In presenting the hypothesis of pangenesis Darwin begins by enumerating the different kinds of sexual... | |
| John Berry Haycraft - 1908 - 204 頁
...Heredity, op. cit., p. 77. at the end of a large work of 800 pages. Darwin here says (vol. ii., p. 349) : " I am aware that my view is merely a provisional hypothesis...present left disconnected by any efficient cause." Weismann's speculations, equally unfounded on fact, are nevertheless viewed by him as being of sufficient... | |
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