| Alfred Russel Wallace - 1876 - 606 lehte
...for example,—that our regions are not true for their departments of nature—cannot be VOL. I.—6 maintained. For they will find, that a careful consideration...divergences from the normal distribution of higher animals. We shall thus be led to an intelligent comprehension of the phenomena of distribution in all groups,... | |
| Alfred Russel Wallace - 1876 - 586 lehte
...special conditions affecting their perpetuation and increase in each locality. maintained. For tliey will find, that a careful consideration of the exceptional...divergences from the normal distribution of higher animals. We shall thus be led to an intelligent comprehension of the phenomena of distribution in all groups,... | |
| Alfred Russel Wallace - 1876 - 602 lehte
...If these considerations are well founded, the objections of those who study insects or molluscs, for example, — that our regions are not true for their departments of nature — cannot be VOL. L— 6 maintained. For they will find, that a careful consideration of the exceptional means of... | |
| ALFRED RUSSEL WALLACE - 1876 - 566 lehte
...If these considerations are well founded, the objections of those who study insects or molluscs, for example, — that our regions are not true for their departments of nature— cannot be VOL. I.— 6 maintained. For they will find, that a careful consideration c the exceptional means of... | |
| Geological and Geographical Survey of the Territories (U.S.) - 1878 - 942 lehte
...considerations are well founded," he continues, " the objections of those who stud y insects or molluscs, for example, — that our regions are not true for their...animals." t In the present paper I shall consequently, in my discussion of the zoological regions of the northern hemisphere, confine myself primarily to... | |
| Geological and Geographical Survey of the Territories (U.S.) - 1878 - 240 lehte
...considerations are well founded," he continues, " the objections of those who study insects or molluscs, for example, — that our regions are not true for their...from the normal distribution of higher animals."! In the present paper I shall consequently, in my discussion of the zoological regions of the northern... | |
| 1878 - 932 lehte
...or molluscs, for example,—that our regions are not true for their departments of nature—cannot be maintained. For they will find, that a careful...animals." t In the present paper I shall consequently, in my discussion of the zoological regions of the northern hemisphere, confine myself primarily to... | |
| Biological Society of Washington - 1882 - 502 lehte
...considerations are well founded," he continues, " the objections of those who study insects or molluscs, — for example, that our regions are not true for their departments...divergences from the normal distribution of higher animals. "f Mr. Allen recalls that he had in 1871 "claimed, in accordance with the views of Humboldt, Wagner,... | |
| Biological Society of Washington - 1882 - 506 lehte
...the objections of those who study insects or molluscs, — for example, that our regions are not trup for their departments of nature, — cannot be maintained....divergences from the normal distribution of higher animals. "f Mr. Allen recalls that he had in 1871 "claimed, in accordance with the views of Humboldt, Wagner,... | |
| American Museum of Natural History - 1892 - 1252 lehte
...If these considerations are well founded, the objections of those who study insects or molluscs, for example, — that our regions are not true for their...divergences from the normal distribution of higher animals."1 While the divisions of North America, as set forth in the present paper, are presented from... | |
| |