 Tertiary period, of forms adapted to л high temperature, and in part to the high rate of differentiation favored by tropical conditions of climate. Hence, given: 1. Arctic and cold-temperate conditions of climate, and we have a fauna only slightly or...  Proceedings of the Biological Society of Washington - Page 8by Biological Society of Washington - 1885Full view - About this book
 | 1878 - 932 lehte
...part to tbe high rate of differentiation favored by tropical conditions of climate. Hence, given : 1. Arctic and cold-temperate conditions of climate, and...forms and a maximum of differentiation. Again,* given : 1. A long-continued continuity of laud surface, and we have tin essential identity of fauna; 2. A... | |
 | Geological and Geographical Survey of the Territories (U.S.) - 1878 - 942 lehte
...part to the bigb rate of differentiation favored by tropical conditions of climate. Hence, given: 1. Arctic and cold-temperate conditions of climate, and...forms and a maximum of differentiation. Again, given : 1. A long-continued continuity of laud surface, and we have au essential identity of fauna; 2. A... | |
 | Joel Asaph Allen - 1878 - 174 lehte
...part to the high rate of differentiation favored by tropical conditions of climate. Hence, given: 1. Arctic and cold-temperate conditions of climate, and...forms and a maximum of differentiation. Again, given : 1. A long-continued continuity of land surface, and we have an essential identity of fauna; 2. A... | |
 | Geological and Geographical Survey of the Territories (U.S.) - 1878 - 240 lehte
...part to the high rate of differentiation favored by tropical conditions of climate. Hence, given : 1. Arctic and cold-temperate conditions of climate, and...diversified ; 2. A moderate increase of temperature, giving warm -temperate conditions of climate, and we have the addition of many new types of life; 3. A high... | |
 | Biological Society of Washington - 1882 - 502 lehte
...part to the high rate of differentiation favored by tropical conditions of climate. Hence, given: 1. Arctic and cold-temperate conditions of climate, and...climate, and we have the addition of many new types oflife ; 3. A high increase of temperature, giving tropical conditions of climate, and we have a rapid... | |
 | National Academy of Sciences (U.S.) - 1926 - 624 lehte
...that temperature is the most potent factor governing the distribution of life adds: Hence, given: 1. Arctic and cold-temperate conditions of climate, and...forms and a maximum of differentiation. Again, given: 1. A long-continued continuity of land surface, and we have an essential identity of fauna; 2. A divergence... | |
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