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" Megatheria of South America- the geological phenomena of that continent appear to negative the occurrence of such destructive changes. Our comparatively brief experience of the progress and duration of species within the historical period, is surely insufficient... "
The Past and Present Life of the Globe: Being a Sketch in Outline of the ... - Сторінка 224
автори: David Page - 1861 - 256 стор.
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American Journal of Science and Arts, Том 54

1847 - 490 стор.
...hypothesis to explain the apparently contemporaneous extinction of the gigantic leaf-eating Megatherian of South America, the geological phenomena of that...regard to many of the larger Mammalia, especially those which have passed away from the American and Australian continents, the absence of sufficient signs...
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A History of British Fossil Mammals, and Birds

Richard Owen - 1846 - 628 стор.
...hypothesis to explain the apparently contemporaneous extinction of the gigantic leafeating Megatheria of South America- the geological phenomena of that...regard to many of the larger Mammalia, especially those which have passed away from the American and Australian continents, the absence of sufficient signs...
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The American Journal of Science and Arts

1847 - 490 стор.
...hypothesis to explain the apparently contemporaneous extinction of the gigantic leaf-eating Megatherian of South America, the geological phenomena of that...regard to many of the larger Mammalia, especially those which have passed away from the American and Australian continents, the absence of suffi* In the extreme...
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The Geological Observer

Henry Thomas De La Beche - 1851 - 718 стор.
...hypothesis to explain the apparently contemporaneous extinction of the gigantic leaf.eating megatheria of South America, the geological phenomena of that...regard to many of the larger mammalia, especially those which have passed away from the American and Australian continents, the absence of sufficient signs...
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The Geological Observer

Henry Thomas De La Beche - 1853 - 806 стор.
...hypothesis to explain the apparently contemporaneous extinction of the gigantic leaf-eating megatheria of South America, the geological phenomena of that...duration of species within the historical period, is sorely insufficient to justify, in every case of extinction, the verdict of violent death. With regard...
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The Canadian Naturalist and Geologist, Том 1

1857 - 528 стор.
...hypothesis to explain the apparently contemporaneous extinction of the gigantic leaf eating Megatheria of South America, the geological phenomena of that...period is surely insufficient to justify, in every ease of extinction, the verdict of violent death. With regard to many of the larger Mammalia, especially...
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The Canadian Naturalist and Geologist, Том 1

1857 - 526 стор.
...contemporaneous extinction of the gigantic leaf eating Megatheria of South Ameriea, the geologieal phenomena of that continent appear to negative the...of the progress and duration of species within the historieal period is surely insufficient to justify, in every ease of extinction, the verdict of violent...
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Advanced Text-book of Geology, Descriptive and Industrial

David Page - 1859 - 428 стор.
...limit of duration assigned to them from the beginning, and that this limit may be attained even while all extraneous causes remain quiescent and stationary....in every case of extinction, the verdict of violent deaths. With regard to many of the larger mammalia, especially those that have passed away from the...
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Advanced Text-book of Geology, Descriptive and Industrial

David Page - 1859 - 422 стор.
...beginning, and that this limit may be attained even while all extraneous causes remain quiescent aud stationary. " Attempts have been made," says Professor...in every case of extinction, the verdict of violent deaths. With regard to many of the larger mammalia, especially those that have passed away from the...
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Natural History: Or, Second Division of "The English Encyclopedia", Том 1

Charles Knight - 1866 - 588 стор.
...hypotheses to explain the apparently contemporaneous extinction of the gigantic leaf-eating Megotherio, of South America, the geological phenomena of that...regard to many of the larger Mammalia, especially those which have passed away from the American and Australian continents, the absence of sufficient signs...
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