...geographical distribution, geological succession, and other such facts, might come to the conclusion that each species had not been independently created, but had descended like varieties from other species." It will be observed that not only is no hint given here that descent with modification was a theory...

...geographical distribution, geological succession, and other such facts, might come to the conclusion that species had not been independently created, but had...that perfection of structure and coadaptation which most justly excites our admiration. Naturalists continually refer to external conditions, such as climate,...

...geographical distribution, geological succession, and other such facts, might come to the conclusion that each species had not been independently created, but had descended like varieties from other species." It will be observed that not only is no hint given here that descent with modification was a theory...

...independently created, but had descended, like varieties, from other species. But he was well aware that mich a conclusion, even if well founded, would be unsatisfactory...could be shown how the innumerable species inhabiting the world have been modified, so as to acquire that perfection of structure and coadaptation which...

...independently created" but had descended "from other species." He recognized, however, that this conclusion would be "unsatisfactory, until it could be shown...that perfection of structure and coadaptation which most justly excites our admiration." The search for this "how" of evolutionary change directed Darwin's...

...of Species (1859), Charles Darwin began with the observation that any view on the origin of species "would be unsatisfactory, until it could be shown...that perfection of structure and coadaptation which most justly excites our admiration" (p. 3). His own solution, of course, was the mechanism of natural...

...geographical distribution, geological succession, and other such facts, might come to the conclusion that each species had not been independently created, but had...that perfection of structure and coadaptation which most justly excites our admiration. (Darwin 1859, p. 3) Darwin was forcefully impressed by this during...

...genetic change from generation to generation. But Darwin realized that any description of evolution would be "unsatisfactory until it could be shown how...coadaptation which justly excites our admiration" (Origin of Species, 1859, p. 12). Darwin's special contribution, therefore, was not the principle of...

...geographical distribution, geological succession, and other such facts, might come to the conclusion that each species had not been independently created, but had...that perfection of structure and co-adaptation which most justly excites our admiration.' Then, after pointing to the inadequacies of some current ideas,...

...tradition of natural theology. Darwin confesses that his theory could not be admitted as satisfactory "until it could be shown how the innumerable species...that perfection of structure and coadaptation which most justly excites our admiration." 29 However, he proposes that questions of adaptation, like questions...