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" ... annually, a striking result, but one which seems at least highly probable, and is perhaps under rather than over the truth. It would therefore appear that, as far as the continuance of the species and the keeping up the average number of individuals... "
Contributions to the Theory of Natural Selection - Page 30
by Alfred Russel Wallace - 1871
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The Alfred Russel Wallace Reader: A Selection of Writings from the Field

Alfred Russel Wallace - 2002 - 219 lehte
...average number of individuals existing in any given country, twice that number must perish annually a striking result, but one which seems at least highly...above one become food for hawks and kites; wild cats and weasels, or perish of cold and hunger as winter comes on. This is strikingly proved by the case...
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In Darwin's Shadow: The Life and Science of Alfred Russel Wallace: A ...

Michael Shermer - 2002 - 448 lehte
...number of individuals existing in any given country, twice that number must perish annually, a striking result, but one which seems at least highly...above one become food for hawks and kites, wild cats and weasels, or perish of cold and hunger as winter comes on. This is strikingly proved by the case...
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Infinite Tropics: An Alfred Russel Wallace Anthology

Alfred Russel Wallace - 2003 - 430 lehte
...average number of individuals existing in any given country, twice that number must perish annually, - a striking result, but one which seems at least highly...above one become food for hawks and kites, wild cats and weasels, or perish of cold and hunger as winter comes on. This is strikingly proved by the case...
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On the Origin of Species

Charles Darwin - 2003 - 672 lehte
...number of individuals existing in any given country, tuHce that number must perish annually, a striking result, but one which seems at least highly...above one become food for hawks and kites, wild cats and weasels, or perish of cold and hunger as winter comes on. This is strikingly proved by the case...
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