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

...separating sub-kingdoms ; and, accordingly, " analogy," Mr. Darwin logically admits, "would lead us one step further, namely, to the belief that all animals...and plants have descended from some one prototype ; " ^f and summing up the conditions which all living things have * " Quelques espèces isolées, qui,...

...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...

...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 lessor number." Seeing that analogy as strongly suggests a further step in the same direction, while...

...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,...

...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*...

...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...

...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. But analogy may be a deceitful guide. Nevertheless all living things have much in common, in their...

...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. But an analogy may be a deceitful guide. Nevertheless, all living things have much in common, in their...

...he enumerates " fifteen." Mr. Darwin, in the work above cited, is led to believe that " animals have descended from at most only four or five progenitors,...and plants from an equal or lesser number. Analogy," he adds, " would lead me one step further, namely, to the belief that all animals and plants have descended...