| 1877 - 786 lehte
...our views — a more fundamental diversity, since we find the northern continent itself so divided in the earliest Eocene and even in Cretaceous times,...close relation and parallelism of the Nearctic and Palaearctic regions, not only now, but as far back as we can clearly trace them in the past ; and YOU... | |
| Alfred Russel Wallace - 1876 - 676 lehte
...views — a more fundamental diversity ; since we find the northern continent itself so divided iu the earliest Eocene, and even in Cretaceous times...close relation and parallelism of the Nearctic and Palaearctic regions, not only now but as far back as we can clearly trace them in the past ; and, secondly,... | |
| Alfred Russel Wallace - 1876 - 664 lehte
...our views—a more fundamental diversity ; since we find the northern continent itself so divided in the earliest Eocene, and even in Cretaceous times;...this division, taken by itself, would obscure the facts—firstly, of the close relation and parallelism of the Nearctic and Palaearctic regions, not... | |
| Mark V. Lomolino, Dov F. Sax, James H. Brown - 2004 - 1284 lehte
...our views—a more fundamental diversity; since we find the northern continent itself so divided in the earliest Eocene, and even in Cretaceous times;...this division, taken by itself, would obscure the facts—firstly, of the close relation and parallelism of the Nearctic and Palaearctic regions, not... | |
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