 Every species has come into existence coincident both in time and space with a pre-existing closely allied species" connects together and renders intelligible a vast number of independent and hitherto unexplained facts.  The American Naturalist - Page 3551871Full view - About this book
 | 1855 - 514 lehte
...unbroken and harmonious system. It has now been shown, though most briefly and imperfectly, how the law that " Every species has come into existence coincident...space with a pre-existing closely allied species" connects together and renders intelligible a vast number of independent and hitherto unexplained facts.... | |
 | 1855 - 518 lehte
...harmonious system. It has now been shown, though most briefly and imperfectly, how the law that " Erery species has come into existence coincident both in...space with a pre-existing closely allied species," connects together and renders intelligible a vast number of independent and hitherto unexplained facts.... | |
 | 1860 - 800 lehte
...species. But they all do tend to bring out the generalization expressed by Mr. Wallace in the formula, that " every species has come into existence' coincident both in time and space with preexisting closely allied species." Not, however, that this ia proved even of existing species as... | |
 | 1860 - 794 lehte
...»pecies. But they all do tend to bring out the generalization expressed by Mr. Wallace in the formula, that "every species has come into existence coincident both in time and space with preexisting closely allied species." Not, however, that this is proved even of existing species as... | |
 | 1861 - 374 lehte
...attempts to show that species are not fixed, but mutable ; that the formula of Mr Wallace is correct, that " every species has come into existence coincident both in time and space with pre-existing closely allied species;" and that there are transition forms or gradations which connect... | |
 | 1861 - 388 lehte
...attempts to show that species are not fixed, but mutable ; that the formula of Mr Wallace is correct, that " every species has come into existence coincident both in time and space with pre-existing closely allied species;" and that there are transition forms or gradations which connect... | |
 | Asa Gray - 1861 - 68 lehte
...species. But they all do tend to bring out the generalization expressed by Mr. Wallace in the formula, that " every species has come into existence coincident both in time and space with pre-existing closely allied species." Not, however, that this is proved even of existing species as... | |
 | Alfred Russel Wallace - 1870 - 414 lehte
...harmonious system Conclusion. It has now been shown, though most briefly and imperfectly, how the law that "Every species has come into existence coincident...space with a pre-existing closely allied species" connects together and renders intelligible a vast number of independent and hitherto unexplained facts.... | |
 | 1871 - 812 lehte
...treating the different subjects greatly strengthens. In fact we have rarely read a work which has given us so much pleasure and information, and we recommend...type, when allowed to become wild again, generally speaklog possesses modifications which are exceedingly disadvantageous; tbn» they must either regain... | |
 | 1871 - 462 lehte
...recognized as having furnished the impetus which gave direction to this line of enquiry. proposition that "every species has come into existence coincident...space with a pre-existing closely allied species," which is the QED of the first essay, coupled with "the tendency of varieties to depart indefinitely... | |
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