...animals to the grouping of the stars ; the stem and branches of a tree better illustrate Darwin's idea. The green and budding twigs may represent existing .species ; and those produced during each former year may represent the long succession of extinct species. At each period of growth all...

...selection, entailing extinction and divergence of character, as we have seen illustrated in the diagram. "The affinities of all the beings of the same class...represent existing species ; and those produced during each former year may represent the long succession of extinct species. At each period of growth all...

...summary of the fourth chapter, which we cannot resist quoting, if only for the sake of its language. " The affinities of all the beings of the same class...represent existing species ; and those produced during each former year may represent the long succession of extinct species. At each period of growth all...

...selection, entailing extinction and divergence of character, as we have seen illustrated in the diagram. The affinities of all the beings of the same class...represent existing species ; and those produced during each former year may represent the long succession of extinct species. At each period of growth, all...

...selection, entailing extinction and divergence of character, as we have seen illustrated in the diagram. The affinities of all the beings of the same class...represent existing species ; and those produced during each former year may represent the long succession of extinct species. At each period of growth all...

...selection, entailing extinction and divergence of character, as, we have seen illustrated in the diagram. The affinities of all the beings of the same class...simile largely speaks the truth. The green and budding twiga may represent existing species; and those produced during former years may represent the long...

...selection, entailing extinction and divergence of character, as we have seen illustrated in the diagram. " The affinities of all the beings of the same class...represent existing species; and those produced during each former year may represent the long succession of extinct species. At each period of growth all...

...green and budding twigs may represent existing species; and those produced during each former year may represent the long succession of extinct species....growing twigs have tried to branch out on all sides, and overtop and kill the surrounding twigs and branches, in the same manner as species and groups of species...

...green and budding twig» limy represent existing species ; und thoHo produced during each former year may represent the long succession of extinct species. At each period of growth nil tho growing twigs liuvu tried to braneh out on all bides, and overlap and kill tho «игrounding...

...* This has been well extended by Mr. Darwin in a passage which begins : — " The affinities of all beings of the same class have sometimes been represented by a great tree. I believe that this simile largely speaks the truth." t " What, then," continues Lamarck, " can be the cause...