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" Every species has come into existence coincident both in time and space with a preexisting closely allied species," Connects together and renders intelligible a vast number of independent and hitherto unexplained facts. "
Contributions to the Theory of Natural Selection: A Series of Essays - Page 25
by Alfred Russel Wallace - 1870 - 384 lehte
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The Meaning of Fossils: Episodes in the History of Palaeontology

M. J. S. Rudwick - 1976 - 287 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...
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Toward a New Philosophy of Biology: Observations of an Evolutionist

Ernst Mayr - 1988 - 564 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...
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The Causes of Evolution

John Burdon Haldane - 1990 - 222 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...
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Science as Writing

David Millard Locke - 1992 - 237 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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Charles Darwin's Letters: A Selection, 1825-1859

Charles Darwin - 1998 - 249 lehte
...introduction of new species. Annals and Magazine of Natural History 2d ser. 16 (1855): 184-96. The law: 'Every species has come into existence coincident...space with a pre-existing closely allied species.' 1858 CD had sent Hooker his manuscript on variation in large and small genera. It is printed, with...
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Darwinism Defeated?: The Johnson-Lamoureux Debate on Biological Origins

Phillip E. Johnson, Denis Lamoureux - 1999 - 174 lehte
...occur. From the facts of geographical distribution Wallace concludes his paper with the famous statement that "Every species has come into existence coincident...space with a pre-existing closely allied species." And he asks: "In the face of these facts the question forces itself upon every thinking mind — why...
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Paleobiogeography

Bruce S. Lieberman - 2000 - 208 lehte
...space and time, and molded them into a superb theory of evolution. First, he claimed that there was a law that "every species has come into existence coincident...and space with a preexisting closely allied species" (Wallace, 1855, quoted from Brooks, 1984. p. 172). Further, he felt that this ..,connects together...
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Natural Laws in Scientific Practice

Marc Lange - 2000 - 368 lehte
...subgroups) Dollo's law (reversion to an ancestral peculiarity virtually never happens) Wallace's law (every species has come into existence coincident...and space with a preexisting closely allied species) Genetics Mendel's laws the Hardy-Weinberg law (if there are exactly two alleles (A and S) at a given...
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The Borderlands of Science: Where Sense Meets Nonsense

Michael Shermer - 2001 - 368 lehte
...Species." Using a series of arguments based on geographical and geological evidence, Wallace concluded: "Every species has come into existence coincident...time and space with a pre-existing closely allied species."18 The paper appeared in The Annals and Magazine of Natural History in September 1855, and...
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Literature of Travel and Exploration: R to Z, index

Jennifer Speake - 2003 - 1479 lehte
...structural affinity to one another over succeeding epochs of time, led him to publish a paper that argued that "every species has come into existence coincident...and space with a preexisting closely allied species" (Natural Selection and Tropical Nature). The paper proposed an approach to the species question, though...
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