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" Regions in the first place, from a consideration of the distribution of mammalia, only bringing to our aid the distribution of other groups to determine doubtful points. Regions so established will be most closely in accordance with those long-enduring... "
Bulletin of the United States Geological and Geographical Survey of the ... - Page 310
by Geological and Geographical Survey of the Territories (U.S.) - 1878
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The Geographical Distribution of Animals: With a Study of the ..., 1. köide

Alfred Russel Wallace - 1876 - 602 lehte
...features of physical geography, on which the distribution of all forms of life fundamentally depend; and all discrepancies in the distribution of other...locality. If these considerations are well founded, the objections of those who study insects or molluscs, for example, — that our regions are not true...
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The Geographical Distribution of Animals: With a Study of the ..., 1. köide

Alfred Russel Wallace - 1876 - 606 lehte
...features of physical geography, on which the distribution of all forms of life fundamentally depend; and all discrepancies in the distribution of • other...locality. If these considerations are well founded, the objections of those who study insects or molluscs, for example,—that our regions are not true...
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The Geographical Distribution of Animals: With a Study of the ..., 1. köide

Alfred Russel Wallace - 1876 - 586 lehte
...features of physical geography, on which the distribution of all forms of life fundamentally depend; and all discrepancies in the distribution of other...their perpetuation and increase in each locality. maintained. For tliey will find, that a careful consideration of the exceptional means of dispersal...
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Bulletin of the United States Geological and Geographical Survey ..., 4. köide

1878 - 932 lehte
...established will be most closely in accordance with those long-enduring features of physical geography, on which the distribution of all forms of life fundamentally...founded," he continues, " the objections of those who study insects or molluscs, for example,—that our regions are not true for their departments of nature—cannot...
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The Geographical Distribution of the Mammalia: Considered in Relation to the ...

Joel Asaph Allen - 1878 - 174 lehte
...Geogr. Distr. Anim., vol. i, pp. 56-58. those long-enduring features of physical geography, omchich the distribution of all forms of life fundamentally...conditions affecting their perpetuation and increase iu each locality." " If these considerations are well founded," he continues, " the objections of those...
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Proceedings of the Biological Society of Washington, 1–3. köide

Biological Society of Washington - 1882 - 502 lehte
...established will be most closely in accordance with those long-enduring features of physical geography, on which the distribution of all forms of life fundamentally...founded," he continues, " the objections of those who study insects or molluscs, — for example, that our regions are not true for their departments of...
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Bulletin of the American Museum of Natural History, 4. köide

American Museum of Natural History - 1892 - 1252 lehte
...features of physical geography, on which the distribution of all forms of life fundamentally depend ; and all discrepancies in the distribution of other...locality. If these considerations are well founded, the objections of those who study insects or molluscs, for example, — that our regions are not true...
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Proceedings of the Biological Society of Washington, 2. köide

Biological Society of Washington - 1885 - 204 lehte
...established will be most closely in accordance with those long-enduring features of physical geography, on which the distribution of all forms of life fundamentally...founded," he continues, " the objections of those who study insects or molluscs, — for example, that our regions are not true for their departments of...
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