| 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... | |
| 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... | |
| 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... | |
| 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... | |
| 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... | |
| 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... | |
| 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,... | |
| 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... | |
| 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... | |
| 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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