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" ... while they would fail to do so in any other. These views implied that the sources of our actual vegetation, and the explanation of these peculiarities, were to be sought in and presupposed an ancestry in pliocene or still earlier times occupying the... "
The American Journal of Science and Arts - Страница 293
1872
Пълен достъп - Информация за книгата

The American Naturalist, Том 6

1872 - 828 страници
...forest trees, might establish themselves each in the region best suited to its particular requirements, while they would fail to do so in any other. These...(such as Taxodium, Carya, Liquidambar, Sassafras, Neguudo, etc.), might be best explained on the assumption of earl}' interchange and diffusion through...

The American Naturalist, Том 6

1872 - 830 страници
...trees, might establish themselves each in the region best suited to its particular requirements, wliile they would fail to do so in any other. These views...(such as Taxodium, Carya, Liquidambar, Sassafras, Neguudo, etc.), might be best explained on the assumption of earl}' interchange and diffusion through...

The American Naturalist, Том 11

1877 - 786 страници
...United States, " but not in intermediate regions of different distribution of heat and moisture." .... And it was thought that the occurrence of peculiarly...Europe in the Tertiary period (such as Taxodium, Carya, Liquidamber, Sassafrat, Negundo, etc.) might be best explained on the assumption of early interchange...

The Popular Science Monthly, Том 1

1872 - 798 страници
...forest-trees, might establish themselves each in the region best suited to their particular requirements, while they would fail to do so in any other. These...Europe, in the Tertiary period (such as taxodium, carya, liquidamber, sassafras, negundo, etc.), might best be explained on the assumption of early interchange...

The American Naturalist, Том 6

1872 - 824 страници
...forest trees, might establish themselves each in the region best suited to its particular requirements, while they would fail to do so in any other. These...Europe in the tertiary period (such as Taxodium, Carya, Liqnidainbar, Sassafras, Ncguudo, etc.), might be best explained on the assumption of early interchange...

The Popular Science Monthly, Том 1

1872 - 806 страници
...forest-trees, might establish themselves each in the region best suited to their particular requirements, while they would fail to do so in any other. These...Europe, in the Tertiary period (such as taxodium, carya, liquidambcr, sassafras, negundo, etc.), might best be explained on the assumption of early interchange...

The American Naturalist, Том 6

1872 - 832 страници
...forest trees, might establish themselves each in the region best suited to its particular requirements, while they would fail to do so in any other. These...And it was thought that the occurrence of peculiarly Xorth American genera in Europe in the tertiary period (such as Taxodium, C'arya, Liimidambar, Sassafras,...

Proceedings of the American Association for the Advancement of ..., Томове 20–21

American Association for the Advancement of Science - 1872 - 848 страници
...forest trees, might establish themselves each in the region best suited to the particular requirements, while they would fail to do so in any other. These...in pliocene or still earlier times, occupying the higher northern regions. And it was thought that the occurrence of peculiarly North American genera...

Proceedings of the American Association for the Advancement of Science, Том 21

American Association for the Advancement of Science - 1873 - 352 страници
...forest trees, might establish themselves each in the region best suited to the particular requirements, while they would fail to do so in any other. These...in pliocene or still earlier times, occupying the higher northern regions. And it was thought that the occurrence of peculiarly North American genera...

Proceedings of the American Association for the Advancement of Science, Том 21

American Association for the Advancement of Science - 1873 - 352 страници
...forest trees, might establish themselves each in the region best suited to the particular requirements, while they would fail to do so in any other. These...in pliocene or still earlier times, occupying the higher northern regions. And it was thought that the occurrence of peculiarly North American genera...




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