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" From these remarks it will be seen that I look at the term species, as one arbitrarily given for the sake of convenience to a set of individuals closely resembling each other, and that it does not essentially differ from the term variety, which is given... "
Outlines of evolutionary biology - Página 223
por Arthur Dendy - 1912 - 454 páginas
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On the Origin of Species by Means of Natural Selection; Or, The Preservation ...

Charles Darwin - 1861 - 470 páginas
...But we shall hereafter have to return to this subject. From these remarks it will be seen that I look at the term species, as one arbitrarily given for...individual differences, is also applied arbitrarily, and for mere convenience sake. Guided by theoretical considerations, I thought that some interesting...
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On the Origin of Species by Means of Natural Selection: Or, The Preservation ...

Charles Darwin - 1864 - 472 páginas
...we shall hereafter ha"ve to return to this subject. From these remarks it will be seen that I look at the term species, as one arbitrarily given for the sake of convenieju&J:oa set pfindividuals closely resembling each other, and {KSTlt doejQiot j essentially...
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On the Origin of Species by Means of Natural Selection, Or, The Preservation ...

Charles Darwin - 1866 - 668 páginas
...But we shall hereafter have to return to this subject. From these remarks it will be seen that I look at the term species as one arbitrarily given, for...individual differences, is also applied arbitrarily, and for mere convenience' sake. Wide-ranging, much-diffused, and common Species vary most. Guided by...
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The Darwinian Theory of the Transmutation of Species

Robert Mackenzie Beverley - 1867 - 406 páginas
...which we may examine the deductions resulting from the statements. ' I look,' says Mr Darwin, ' on the term Species as one arbitrarily given for the...given to less distinct and more fluctuating forms ' (54). This is the nearest approximation to a definition which Mr Darwin has given us, though it only...
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The Darwinian Theory of the Transmutation of Species

Robert Mackenzie Beverley - 1867 - 424 páginas
...which we may examine the deductions resulting from the statements. ' I look,' says Mr Darwin, ' on the term Species as one arbitrarily given for the...given to less distinct and more fluctuating forms ' (54). This is the nearest approximation to a definition which Mr Darwin has given us, though it only...
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The elements of inductive logic

Thomas Fowler - 1870 - 372 páginas
...Species. His own solution of the question is well known. ' It will be seen,' he says 24, ' that I look at the term species, as one arbitrarily given for...individual differences, is also applied arbitrarily, and for mere convenience' sake.' It does not fall within our province to discuss the question of the...
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On the origin of species by means of natural selection ; or, The ...

Charles Darwin - 1875 - 504 páginas
...species. But we shall hereafter return to this subject. From these remarks it will be seen that I look at the term species as one arbitrarily given, for the sake of convenience, to a set ot individuals closely resembling each other, and that it does not essentially differ from the term...
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A New Theory of the Origin of Species

Benjamin G. Ferris - 1883 - 474 páginas
...mind with the idea of an actual passage." Again: "From these remarks it will be seen, that I look upon the term species as one arbitrarily given, for the...given to less distinct and more fluctuating forms." (2-52-3). (New Ed. from 6th English, 41-2). According to this a genus may be regarded as the original...
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Darwinism Stated by Darwin Himself: Characteristic Passages from the ...

Charles Darwin - 1884 - 396 páginas
...species. But we shall hereafter return to this subject. From these remarks it will be seen that I look at the term species as one arbitrarily given, for...is also applied arbitrarily, for convenience' sake. THE TRUE PLAN OF CREATION. Origin of When the views advanced by me in this Species, volume, and by...
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THE ELEMENTS OF DEDUCTIVE LOGIC

Thomas Fowler - 1887 - 612 páginas
...Species. His own solution of the question is well known. ' It will be seen,' he says36, ' that I look at the term species, as one arbitrarily given for...individual differences, is also applied arbitrarily, and for mere 30 Darwin's Origin of Species, ch. ii. G convenience' sake.' It does not fall within my...
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