 I cannot doubt that the theory of descent with modification embraces all the members of the same great class or kingdom. I believe that animals are descended from at most only four or five progenitors, and plants from an equal or lesser number.  Journal - Page 42by Liverpool Geological Association - 1883Full view - About this book
 | Berwickshire Naturalists' Club (Scotland) - 1885 - 730 pages
...with modification embraces all the members of the same class. I believe that animals have desconded from at most only four or five progenitors, and plants from an equal or less number. " Analogy would lead me one step further, namely to the belief that all animals and plants... | |
 | 1861 - 716 pages
...of the same class. Then he launches out still more boldly and says : " I believe that animals have descended from at most only four or five progenitors, and plants from an equal or less number." (Page 419.) He seems inclined to stop again at this point, but a little thought soon... | |
 | 1860 - 1172 pages
...517 from the facts of animal and vegetable life warrants the conclusion, that Ml living 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... | |
 | 1875 - 828 pages
...gradual operation of natural causes. In his work on the " Origin of Species" he snys " I believe that animals are descended from at most only four or five...progenitors, and plants from an equal or lesser number." On the same page he goes much further : " Analogy would lead me one step farther, namely, to the belief... | |
 | Henry Pitman - 1316 pages
...propagation of individuals in whom this divergence is maintained : this * " I believe that animals have descended from at most only four or five progenitors, and plants from an equal or lesser number." — Origin of Species, p. 484. Mr Darwin goes on to say: " Analogy would lead one step further, namely,... | |
 | 1860 - 800 pages
...modification embraces all the members of the same class." Furthermore, " I believe that all animals have descended from at most only four or five progenitors, and plants from an equal or lesser number." Seeing that analogy as strongly suggests a further step in the same direction, while he protests that... | |
 | 1860 - 982 pages
...selection from a few vastly remote progenitors. ' I believe,' says Mr. Darwin, ' that animals have descended from at most only four or five progenitors, and plants from an equal or lesser number. Analogy would lead us one step further — namely, to the belief that all animals and plants have descended... | |
 | Edward Royall Tyler, William Lathrop Kingsley, George Park Fisher, Timothy Dwight - 1860 - 1176 pages
...from the facts of animal and vegetable life warrants the conclusion, that all living 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... | |
 | John Phillips - 1860 - 280 pages
...of descent with modification embraces all the members of the same class. 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... | |
 | Nicholas Patrick Wiseman - 1860 - 594 pages
...descended from a common parent with a Chinese and an Englishman, but that "he believes that animals have descended from at most only four or five progenitors, and plants from an equal or lesser number :" and, much further Btill, that he would " infer from analogy that probably all the organic beings... | |
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