...the theory of descent by modification embraces all the members of the same class, and I believe all animals have descended from at most only four or five progenitors, and plants from an equal or a lesser number." And then here is the conclusion. " Probably all the organic beings which have ever...

...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." sa Carrying on the argument by analogy, which, as he cautions us, " may be a deceitful guide," he then...

...book, which appeared in 1859, Mr. Darwin formally announced his view of natural history. He says : " I cannot doubt that the theory of descent, with modification,...progenitors, and plants from an equal or lesser number." He seems to have looked forward even to a higher generalization, for he goes on to say that "analogy...

...axiom of least action (p. 423, i., 13) favour the former view. Mr Darwin " believes that animals are descended from at most only four or five progenitors, and plants from an equal or lesser number " (p. 424), tho.ugh " he does not wish to lay much stress upon the greater simplicity of the view of...

...axiom of least action (p. 423, i., 13) favour the former view. Mr Darwin " believes that animals are descended from at most only four or five progenitors, and plants from an equal or lesser number " (p. 424), though " he does not wish to lay much stress upon the greater simplicity of the view of...

...entertained Materialistic or Atheistic notions like most of his disciples, for he distinctly says — " I believe that animals have descended from at most...lesser number. Analogy would lead me one step further, viz., to the belief that all animals and plants have descended from some prototype. But analogy may...

...modifications 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,...or lesser number." " Analogy would lead me one step farther, namely, to the belief that all animals and plants are descended from some one prototype. But...

...descendants of this first organism, — the less extreme school holding that (to use Mr. Darwin's words) " animals have descended from at most only four or five progenitors, and plants from an equal or less number," — Lewes pleads hard for a deeper and more thorough analysis of the facts than either...

...school holding i " Physical Basis of Mind." pp. 101. 109, 134, 125. \ that (to use Mr. Darwin's words) " animals have descended from at most only four or five progenitors, and plants from an equal or less number," — Lewes pleads hard for a deeper and more thorough analysis of the facts than either...

...he thinks, have been evolved from four or five primordial forms. " I believe," he says, " that all animals have descended from at most only four or five progenitors, and plants from an equal number." Again: " Possibly all the original beings which have ever lived on the earth are descended...