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...At the center of Darwin's churchless conurbation, the "polity of nature," stands the Tree of Life: The affinities of all the beings of the same class...tree. I believe this simile largely speaks the truth. ... As buds give rise by growth to fresh buds, and these, if vigorous, branch out and overtop on all...

..."science" for "life", is pertinent: the green and budding twigs may represent existing disciplines; and those produced during former years may represent the long succession of extinct disciplines. At each period of growth all the growing twigs have tried to branch out on all sides,...

...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...

...selection might improve cultivated trees. Let us now listen directly to Darwin, Wallace, and Matthew. "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. . . The limbs divided into great...

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...structure, their laws of growth, their liability to injurious influences, &c. I "The affinities of all beings of the same class have sometimes been represented by a great tree. The i green and budding twigs may represent existing species, j and those produced during former years...