...separating subkingdoms ; and, accordingly, ' analogy,' Mr. Darwin logically admits, ' would lead us one step further, namely, to the belief ' that all...and plants have descended from some one ' prototype ; '§ and, summing up the conditions which all living things have in common, this writer infers from...

...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...

...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...

...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 have descended from some one prototype. But analogy may be a deceitful guide. Nevertheless, all living things have much in common, in their...

...warrants the conclusion, that all living animals " have descended from, at most, only four or live progenitors, and plants from an equal or lesser number....and plants have descended from some one prototype. But analogy may be a deceitful guide. Nevertheless, all living things have much in common, in their...

...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...

...progenitors." But at this stage of his argument, the demands of his theory are imperative, and he adds — " Analogy would lead me one step further, namely, to...and plants have descended from some one prototype ; " and arguing from what we must be excused from designating somewhat vague ideas of a community of...

...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,...

...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...

...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 have descended from some one prototype." This modesty is, we must say, a little cast aside at page 488; where his "notion" — for it is scarcely...