...with monkey-man, has modified from its own primordial and distinctive form. Supposing that we concede that " animals have descended from at most only four or five progenitors ; " * and that even a la rigueur " all the organic beings which have ever lived on this earth have descended...

...have constituted an epoch in natural history. The conclusions to which he arrived were as follows : " That the theory of descent with modification embraces...progenitors, and plants from an equal or lesser number." . . . . " Therefore, on the principle of natural selection with divergence of character, it does not...

...have constituted an epoch in natural history. The conclusions to which he arrived were as follows : " That the theory of descent with modification embraces...progenitors, and plants from an equal or lesser number." . . . . " Therefore, on the principle of natural selection with divergence of character, it does not...

...other influences of which we are probably ignorant. His own words are, " I believe that animals are descended from at most only four or five progenitors,...or lesser number." " Analogy would lead me one step further—namely, to the belief that all animals and plants are descended from one prototype." " All...

...language : "As the most eminent living naturalist conceives it not only possible, but probable, that all animals have descended from, at most, only four or five progenitors, and all plants from an equal or lesser number, so I think that an examination of the history of human arts...

...kingdom. I believe that animals are descended from at most only four or five progenitors, and placu from an equal or lesser number. Analogy would lead me one step farther, namely, to the belief that all animals and plants am descended from some one prototype. But...

...it to be verified by others as he thought he had verified it to himself. " I cannot doubt," he said, "that the theory of descent, with modification, embraces...progenitors, and plants from an equal or lesser number." But speculative!}1 he went farther. " Analogy would lead me one step f;irther," he said, "namely, to...

...it to be verified by others as he thought he had verified it to himself. "I cannot doubt," he said, "that the theory of descent, with modification, embraces...progenitors, and plants from an equal or lesser number." But speculatively he went farther. " Analogy would lead me one step farther," he said, "namely, to...

...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,...from an equal or lesser number. Analogy would lead jne one step farther, namely, to the belief that all animals and plants am descended from some one...

...them as permitting the derivation of species from species ; and affirms that in his belief animals are descended from at most only four or five progenitors, and plants from an equal or lesser number. He adds " Analogy would lead me one step further, namely, to the belief that all animals and plants...