The Geological History of PlantsD. Appleton & Company, 1892 - 294 pagini |
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Pagina
... CHAPTER V. THE FLORA OF THE EARLY MESOZOIC - REIGN OF PINES AND CYCADS . 175 CHAPTER VI . THE REIGN OF ANGIOSPERMS IN THE LATER CRETACEOUS AND EARLY TERTIARY OR KAINOZOIC . . 191 CHAPTER VII . PLANTS FROM THE TERTIARY TO THE MODERN 2.
... CHAPTER V. THE FLORA OF THE EARLY MESOZOIC - REIGN OF PINES AND CYCADS . 175 CHAPTER VI . THE REIGN OF ANGIOSPERMS IN THE LATER CRETACEOUS AND EARLY TERTIARY OR KAINOZOIC . . 191 CHAPTER VII . PLANTS FROM THE TERTIARY TO THE MODERN 2.
Pagina
Sir John William Dawson. CHAPTER VII . PLANTS FROM THE TERTIARY TO THE MODERN PERIOD CHAPTER VIII . GENERAL LAWS OF ORIGIN AND MIGRATIONS OF PLANTS - RELATIONS OF RECENT AND FOSSIL FLORAS APPENDIX . I. COMPARATIVE VIEW OF PALEOZOIC ...
Sir John William Dawson. CHAPTER VII . PLANTS FROM THE TERTIARY TO THE MODERN PERIOD CHAPTER VIII . GENERAL LAWS OF ORIGIN AND MIGRATIONS OF PLANTS - RELATIONS OF RECENT AND FOSSIL FLORAS APPENDIX . I. COMPARATIVE VIEW OF PALEOZOIC ...
Pagina 103
... Tertiary , appeared earlier in America . It is also probable , as I have shown in the " Re- ports " already referred to , that it appeared earlier in the Arctic than in the temperate zone . Hence an Arctic or American flora , really ...
... Tertiary , appeared earlier in America . It is also probable , as I have shown in the " Re- ports " already referred to , that it appeared earlier in the Arctic than in the temperate zone . Hence an Arctic or American flora , really ...
Pagina 139
... Tertiary ; and under these periods it will be more convenient to make comparisons . The readers of recent English popular works on geol- ogy will have observed the statement reiterated that a large proportion of the material of the ...
... Tertiary ; and under these periods it will be more convenient to make comparisons . The readers of recent English popular works on geol- ogy will have observed the statement reiterated that a large proportion of the material of the ...
Pagina 181
... Tertiary , all of them closely related to those now existing ( Fig . 67 ) . The following notice of these trees is for the most part translated , with some modifications and abridg- ment , from a paper read by the late Prof. Heer be ...
... Tertiary , all of them closely related to those now existing ( Fig . 67 ) . The following notice of these trees is for the most part translated , with some modifications and abridg- ment , from a paper read by the late Prof. Heer be ...
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Termeni și expresii frecvente
abundant Acrogens aërial roots Algæ allied America animal appear arctic areoles bark beds belong bituminous branches Brongniart Calamites Canada carbon Carboniferous Caulopteris cellular character clay climate coal coal-formation conifers Cordaites cycads Dadoxylon Dawson deposits described Devonian diameter dicotyledonous Eocene Europe exogenous fact ferns flora formation forms fossil fossil plants fronds fructification fruit Gaspé genera genus Geological Society graphite Greenland gymnospermous Heer hemisphere Journal known land land-plants Laramie Laurentian leaf-bases leaf-scars leaves Lepidodendron Lepidophloios Lesquereux limestone Lower Carboniferous Lycopods macrospores matter medullary rays Mesozoic Miocene modern Nematophyton northern Nova Scotia occur outer Palæozoic period Permian pines pinnules pith present preserved probably Prof Psilophyton referred remarkable resemble Rhizocarps rocks sandstones scalariform scars Sequoia shales Sigillaria Silurian similar species specimens Sphenophyllum Sporangites spore-cases spores sporocarps stems Sternbergia structure surface Tertiary thick tion tissue tree-ferns trees trunks types Upper Cretaceous vascular vegetable wood woody