...emphatic declaration as given in the sixth edition of the Origin. "I have now recapitulated," he says, "the facts and considerations which have thoroughly...natural selection of numerous successive, slight, favorable variations; aided In an important manner Ъу the inherited effects of the use and disuse...

...modification, which it seems that we wilfully will not understand. I have now recapitulated the chief facts and considerations which have thoroughly convinced...have been modified, during a long course of descent, by the preservation or the natural selection of many successive slight favourable variations. I cannot...

...measure to dispel the fears which any may have had regarding the omnipotence of natural selection. " I have now recapitulated the facts and considerations...convinced me that species have been modified during a long coarse of descent. This has been effected chiefly through the natural selection of numerous successive,...

...modification, which it seems that we wilfully will not understand. 1 have now recapitulated the chief facts and considerations which have thoroughly convinced...have been modified, during a long course of descent, by the preservation or the natural selection of many successive slight favourable variations. I cannot...

...415). In the following passage provision appears to be made for the origin of varieties by mutation : I have now recapitulated the facts and considerations...of descent. This has been effected chiefly through natural selection of numerous successive, slight favorable variations; aided in an important manner...

...descent. This has been effected chiefly through natural selection of numerous successive, slight favorable variations; aided in an important manner by the inherited...effects of the use and disuse of parts, and in an important manner, that is in relation to adaptive structure, whether past or present, by the direct...

...organs, of embryological and homologous structures, but wo aio too Hind to understand her meaning. I have now recapitulated the facts and considerations...of descent. This has been effected chiefly through tho natural selection of numerous successive, slight, favourable variations ; aided in an important...

...("Origin of Species," London, 1859, and "Descent of Man" 1871), and his latest utterance is that it has been effected "chiefly through the natural selection of numerous successive slight favorable variations, aided in an important manner by the inherited effects of the use and disuse of...

...("Origin of Species," London, 1859, and "Descent of Man" 1871), and his latest utterance is that it has been effected "chiefly through the natural selection of numerous successive slight favorable variations, aided in an important manner by the inherited effects of the use and disuse of...

...hare had regarding the omnipotence of natural selection. " I have now recapitulated the facts anil considerations which have thoroughly convinced me...natural selection of numerous successive, slight, favorable variations ; aided in an important manner by the inherited effects of the use and disuse...