...grasp. Darwin himself has made it clear in a diagram which he calls "the great tree of life." Here the green and budding twigs may represent existing species, and those produced during former years, the long succession of extinct species. At each period of growth all the growing twigs have tried to...

...and the complex action of natural selection, entailing extinction and divergence of character . . . The affinities of all the beings of the same class...a great tree. I believe this simile largely speaks 244 CLASSICS OF MODERN SCIENCE the truth. The green and budding twigs may represent existing species...

...explanation of this great fact in the classification of all organic beings ; but, to the best of my judgment, it is explained through inheritance and the complex...represent existing species ; and those produced during each former year may represent the long succession of extinct species. At each period of growth all...

...most complex conditions of life, and should plainly bear the stamp of far higher workmanship? . . . 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...

...hierarchy. The last long paragraph of Chapter IV, following that quoted in Section IV, begins as follows: 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 . . . and this connexion of the...

...trees widely current among botanists and zoologists. First, he made this point by direct assertion: 'The affinities of all the beings of the same class...great tree. I believe this simile largely speaks the truth.'32 He then went on to apply this metaphor - or describe his tree - in terms continuous with...

...explanation of this great fact in the classification of all organic beings; but, to the best of my judgment, it is explained through inheritance and the complex...represent existing species; and those produced during each former year may represent the long succession of extinct species. At each period of growth all...

...of distinct genera."45 Darwin concludes his chapter on natural selection with an extended analogy. The affinities of all the beings of the same class have sometimes been represented by a great tree. . . . The green and budding twigs may represent existing species; and those produced during each former...

...prose succession imitates the order it describes, branching out into further and further similitudes: The affinities of all the beings of the same class...represented by a great tree. I believe this simile largely sIieaks the truth. The green and budding twigs may represent existing speeies; and those produced during...

...discoveries is the theoretical support they provide for the use of tree-shaped diagrams. Darwin wrote 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...