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" ... system. On two main points every system yet proposed, or that probably can be proposed, is open to objection ; they are, — Istly, that the several regions are not of equal rank ; — 2ndly, that they are not equally applicable to all classes of... "
Bulletin of the United States Geological and Geographical Survey of the ... - Page 318
1878
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The Geographical Distribution of Animals: With a Study of the ..., 1. köide

Alfred Russel Wallace - 1876 - 606 lehte
...that anomalies and irregularities are sure to exist which will mar the symmetry of any rigid system. On two main points every system yet proposed, or that...objection, it will be found impossible to form any three or more regions, each of which differs from the rest in an equal degree or in the same manner. One...
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The Geographical Distribution of Animals: With a Study of the ..., 1. köide

Alfred Russel Wallace - 1876 - 586 lehte
...that anomalies and irregularities are sure to exist which will mar the symmetry of any rigid system. On two main points every system yet proposed, or that...probably can be proposed, is open to objection ; they are, — Istly, that the several regions are not of equal rank ; — 2ndly, that they are not equally...
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The Geographical Distribution of Animals: With a Study of the ..., 1. köide

Alfred Russel Wallace - 1876 - 602 lehte
...that anomalies and irregularities are sure to exist which will mar the symmetry of any rigid system. On two main points every system yet proposed, or that...probably can be proposed, is open to objection ; they are, — Istly, that the several regions are not of equal rank ; — :2ndly, that they are not equally...
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Bulletin of the United States Geological and Geographical Survey ..., 4. köide

Geological and Geographical Survey of the Territories (U.S.) - 1878 - 942 lehte
...of the marked features of the region, as it is elsewhere wherever there is a varied topography aud consequent inequality of climate under the same parallels...probably can be proposed, is open to objection; they are, — Istly, that the several regions are not of equal rank; — 2ndly, that they are not equally...
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Proceedings of the Biological Society of Washington, 1–3. köide

Biological Society of Washington - 1882 - 502 lehte
...other, would be most inconvenient, even if there were not such difference of opinion about them."* Again, Mr. Wallace says: "On two main points every...probably can be proposed, is open to objection ; they are, — istly, that the several regions are not of equal rank ; — 2ndly, that they are not equally...
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Proceedings of the Biological Society of Washington, 1–3. köide

Biological Society of Washington - 1882 - 506 lehte
...difference of opinion about them."* Again, Mr. Wallace says: "On two main points every system )'el proposed, or that probably can be proposed, is open to objection ; they are, — istly, that the several regions are not of equal rank ; — 2ndly, that they are not equally...
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Biodiversity and the Management of the Madrean Archipelago: The Sky Islands ...

Leonard F. DeBano - 1999 - 682 lehte
...time has come for a universal classification system for biotic resources. THE CLASSIFICATION SYSTEM On two main points every system yet proposed, or that...probably can be proposed, is open to objection; they are, — Istly, that the several regions are not of equal rank; 2ndly, that they are not equally applicable...
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Proceedings of the Biological Society of Washington, 2. köide

Biological Society of Washington - 1885 - 204 lehte
...other, would be most inconvenient, even if there were not such difference of opinion about them. ' ' * Again, Mr. Wallace says: "On two main points every...probably can be proposed, is open to objection ; they are, — istly, that the several regions are not of equal rank ; — zndly, that they are not equally...
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