 | 1860 - Страниц: 444
...oecial study for twenty years, and whose opinions are of weigL ,, and worthy of consideration:—" I believe that animals have descended from at most only four or five progenitors, and plants me one step further, namely, to the belief that all animals and plants have descended from some one... | |
 | 1860 - Страниц: 600
...unscientific public. " I can" he says " believe that all animals have descended from ' almost only 4 or 6 progenitors, and plants from an equal or 'lesser number ; analogy would lead me one step farther, name' ly to believe that all plants and animals have descended from ' some one prototype, but analogy... | |
 | Crosthwaite and co - 1860 - Страниц: 622
...the orders of a class, are but the offspring from single primordial forms. " I believe," he says, " that animals have descended from at most only four or five progenitors, and plants from au equal or lesser number. Analogy would lead me one step further, namely, to the belief that all animal*... | |
 | John Holmes Agnew, Walter Hilliard Bidwell, Henry T. Steele - 1860 - Страниц: 612
...gradually produce another species, but he extends this doctrine, " to all members of the same close " ; " I believe that animals have descended from at most only four or five progenitors, ami plants from an equal or lesser number Analogy would lead me one step further. namely, to the belief... | |
 | 1860 - Страниц: 894
...ideas of the affinities and relationships of animal groups obtained by subsequent induction, says: "I believe that animals have descended from at most only four or five progenitors," [evidently meaning, or answering to, the type forms of the four or five " sub-kingdoms " in modern... | |
 | 1860 - Страниц: 446
...Darwin thinks it proved that all animals have descended in one direct genealogical line " from at most four or five progenitors, and plants from an equal or lesser number ;" and probable that " all the organic oeings which have ever lived on this earth have descended from... | |
 | 1860 - Страниц: 612
...class. I belieTe that animals have descended from at most only four or fire progenitors, and plaats from an equal or lesser number. Analogy would lead me one step further, namely, to the belief that all animal* and plants have descended from some one prototype.... | |
 | Charles Darwin - 1861 - Страниц: 470
...ignore the whole subject of the first appearance of species in what they consider reverent silence. 19 It may be asked how far I extend the doctrine of the...equal or lesser number. Analogy would lead me one step further, namely, to the belief that all animals and plants have descended from some one prototype.... | |
 | 1861 - Страниц: 824
...more distinct the forms are which we may consider, by so much the arguments fall away in force. JBut some arguments of the greatest weight extend very...or lesser number. " Analogy would lead me one step further, namely, to the belief that all animals and plants have descended from some one prototype.... | |
 | Страниц: 372
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I believe that animals have descended from at most only four or five progenitors, and plants from an equal or lesser number. Analogy would lead me one step further, namely, to the belief that all animals and plants have descended from some one prototype.... 
