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Libros Libros 1 - 10 de 103 sobre Every species has come into existence coincident both in space and time with a pre-existing...
" Every species has come into existence coincident both in space and time with a pre-existing closely allied species. "
On the Origin of Species by Means of Natural Selection, Or, The Preservation ... - Página 322
por Charles Darwin - 1873 - 458 páginas
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Proceedings of the Cotteswold Naturalists' Field Club, Volúmenes1-2

1853
...connection with a proposition of Mr. Alfred Wallace (referred to in the same Address, page cxiii.) ' That every species has come into existence coincident...time, with a pre-existing closely allied species.' Although Mr. Hamilton, the President, remarks that he thinks 'It may be doubted whether this assumed...
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The Annals and Magazine of Natural History: Including Zoology, Botany, and ...

Sir William Jardine - 1855
...species has come into existence twice. 10. The following law may he deduced from these facts : — Every species has come into existence coincident both...and time with a pre-existing closely allied species. This law agrees with, explains and illustrates all the facts connected with the following branches...
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On the Origin of Species by Means of Natural Selection; Or, The Preservation ...

Charles Darwin - 1861 - 440 páginas
...word variety for species) from that lately advanced in an ingenious paper by Mr. Wallace, in which he concludes, that " every species has come into existence...time with a pre-existing closely allied species. And I now know from correspondence, that this coincidence he attributes to generation with modification....
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Contributions to the Theory of Natural Selection: A Series of Essays

Alfred Russel Wallace - 1870 - 384 páginas
...species has come into existence twice. 10. The following law may be deduced from these facts : — Every species has come into existence coincident both...and time with a pre-existing closely allied species. This law agrees with, explains and illustrates all the facts connected with the following branches...
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Contributions to the Theory of Natural Selection: A Series of Essays

Alfred Russel Wallace - 1870 - 384 páginas
...species has come into existence twice. 10. The following law may be deduced from these facts : — Every species has come into existence coincident both...space and time with a pre-existing closely allied This law agrees with, explains and illustrates all the facts connected with the following branches...
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The Academy, Volumen2

1871
...law which, according to Wallace, has regulated the introduction of new species, is as follows : — " Every species has come into existence coincident both...time with a pre-existing closely allied species." In this primitive and indeterminate form, it is difficult as yet to recognise the clear apprehension...
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Contributions to the Theory of Natural Selection

Alfred Russel Wallace - 1871
...into existence twice. 10. The following law may be deduced from these facts :—Every species lias come into existence coincident both in space and time with a pre-existing closely allied species. This law agrees with, explains and illustrates all the facts connected with the following branches...
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The Popular Science Monthly, Volumen2

1873
...reappear, and, as Mr. Wallace observes, " no group or species has come into existence twice," but " every species has come into existence coincident, both in space and time, with a preexisting, closely-allied species." That tlie great advancing movement of life has been a divergence, an opening...
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The American Cyclopaedia: A Popular Dictionary of General Knowledge, Volumen7

George Ripley, Charles Anderson Dana - 1874
...has come into existence twice." From these facts Mr. Wallace deduces the following important law : " Every species has come into existence coincident both...and time with a preexisting closely allied species." The adherents of development maintain that these facts, and many others of kindred significance, are...
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Principles of Geology: Or, The Modern Changes of the Earth and Its ..., Volumen2

Sir Charles Lyell - 1874 - 671 páginas
...by the information obtained from geological writers, was summed up in the following proposition, ' that every species has come into existence coincident...in space and time with a preexisting closely allied species.'f Mr. Darwin,J when referring subsequently to this paper in his ' Origin of Species,' has...
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