| Lancelot Thomas Hogben - 1918 - 84 lehte
...than those separated by a wider range of time. From such facts as these Wallace deduced the general law that " every species has come into existence coincident both in time and space with a pre-existing allied species ". This result very closely anticipates a theory of common ancestry for all living forms... | |
| Henry Fairfield Osborn - 1924 - 290 lehte
...the when and where of the occurrence of new forms, but not the how. He concludes : It has now been shown, though most briefly and imperfectly, how the...number of independent and hitherto unexplained facts. In February, 1858, during a period of intermittent fever at Ternate, the how arose in his mind with... | |
| Louis Hermann Pammel - 1926 - 354 lehte
...Law Which Has Regulated the Introduction of New Species," published in 1855. Every species, he says, has come into existence, coincident both in time and...space with a pre-existing closely allied species. While sick with ague at Ternate in the Moluccas, he wrote an essay on "The Survival of the Fittest,"... | |
| Henry Fairfield Osborn - 1928 - 358 lehte
...suggested the when and where of the occurrence of new forms, but not the how. He concludes: It has now been shown, though most briefly and imperfectly, how the...number of independent and hitherto unexplained facts. In February, 1858, during a period of intermittent fever at Ternate, the how arose in his mind with... | |
| George Amos Dorsey - 1928 - 326 lehte
...the introduction of new species," published in the Annals in 1855. The main conclusion of that paper, that "every species has come into existence coincident both in time and space with the preexisting closely allied species," of course clearly pointed toward evolution. Wallace did not... | |
| Entomological Society of Ontario - 1888 - 776 lehte
...celebrated article on the law regulating the introduction of new species. This paper endeavored to show that every species has come into existence coincident...space with a pre-existing closely allied species. In further communications Mr. Wallace explained the protective resemblances between animals on the... | |
| M. J. S. Rudwick - 1985 - 303 lehte
...essay Wallace argued that the facts of geographical and geological distribution of species suggested the 'law' that "Every species has come into existence coincident both in space and time with a pre-existing closely allied species". Very probably he was already convinced... | |
| Ernst Mayr - 1988 - 582 lehte
...was not understood as clearly as it is now. This is well reflected in Wallace's statement in 1855: "Every species has come into existence coincident...space with a pre-existing closely allied species," and more specifically "the most closely allied species are found in the same locality or in closely... | |
| John Burdon Haldane - 1990 - 256 lehte
...they were able to verify the law of succession, first explicitly given by Darwin's colleague Wallace. "Every species has come into existence coincident,...space, with a pre-existing closely allied species." This would clearly be true on any theory of evolution, and probably false on a theory of numerous successive... | |
| David Millard Locke - 1992 - 268 lehte
...the evolutionary mechanism, Alfred Rüssel Wallace enunciated his famous Sarawak Law, which states, "Every species has come into existence coincident...space with a pre-existing closely allied species." 1 * What remained to be done —and what Wallace and Darwin did — was to erase the dividing line... | |
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