The Geological History of PlantsK. Paul, Trench, 1888 - 290 pagini |
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Pagina 4
... Cretaceous , Cy Jurassic , Triassic . Permian , Carboniferous , Erian , Acr Silurian , Ordovician , Cambrian , Huronian ( Upper ) . Huronian ( Lower ) , Upper Laurentian , P Middle Laurentian , Lower Laurentian . Age of Protozoa . It ...
... Cretaceous , Cy Jurassic , Triassic . Permian , Carboniferous , Erian , Acr Silurian , Ordovician , Cambrian , Huronian ( Upper ) . Huronian ( Lower ) , Upper Laurentian , P Middle Laurentian , Lower Laurentian . Age of Protozoa . It ...
Pagina 83
... Upper Erian and the Mid- dle Cretaceous suggests very grave doubt as to the authen- ticity of the specimen . I record the fact , waiting further discoveries to confirm it . Of the character of the speci- men which I have described I ...
... Upper Erian and the Mid- dle Cretaceous suggests very grave doubt as to the authen- ticity of the specimen . I record the fact , waiting further discoveries to confirm it . Of the character of the speci- men which I have described I ...
Pagina 147
... Upper Jurassic or Lower Cretaceous types ( Rajmahal and Jabalpur groups ) . Blanford has shown that there is a very great similar- ity in this series all over the Australian and Indian re- gion . Hartt and Darby have in like manner ...
... Upper Jurassic or Lower Cretaceous types ( Rajmahal and Jabalpur groups ) . Blanford has shown that there is a very great similar- ity in this series all over the Australian and Indian re- gion . Hartt and Darby have in like manner ...
Pagina 177
... Cretaceous , and in the Middle and Upper Cretaceous these higher plants come in abund- antly and in generic forms still extant , so that the dawn of the modern flora belongs to the Middle and Upper N Cretaceous . It will thus be ...
... Cretaceous , and in the Middle and Upper Cretaceous these higher plants come in abund- antly and in generic forms still extant , so that the dawn of the modern flora belongs to the Middle and Upper N Cretaceous . It will thus be ...
Pagina 181
... Cretaceous , and in every part of the northern hemi- sphere . * It seems to have thriven in all these regions throughout the Mesozoic and early Kainozoic ... Cretaceous . Upper Cretaceous ( THE FLORA OF THE EARLY MESOZOIC . 181 Sequoia.
... Cretaceous , and in every part of the northern hemi- sphere . * It seems to have thriven in all these regions throughout the Mesozoic and early Kainozoic ... Cretaceous . Upper Cretaceous ( THE FLORA OF THE EARLY MESOZOIC . 181 Sequoia.
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Termeni și expresii frecvente
Acrogens aërial roots Algæ allied America appear Archæopteris arctic areoles bark beds belong bituminous branches Brongniart bundles Calamites Canada Carboniferous Caulopteris cellular character clay climate coal coal-formation cones conifers Cordaites cycads cylinder Dadoxylon Dawson Demy 8vo deposits described Devonian dicotyledonous Eocene Erian Europe exogenous Fcap ferns flora formation forms fossil plants fronds fructification fruit Gaspé genera genus Geological Society Greenland Heer hemisphere Illustrations land Laramie leaf-bases leaf-scars leaves Lepidodendron Lepidophloios Lesquereux limestone Lower Carboniferous Lycopods macrospores medullary rays Mesozoic Middle Miocene modern northern Nova Scotia occur outer Palæozoic period Permian pines pinnules pith present probably Prof Psilophyton referred resemble Rhizocarps ribbed rocks sandstones scalariform Sequoia shales Sigillaria Silurian similar Small crown 8vo species specimens Sphenophyllum Sphenopteris Sporangites spore-cases spores sporocarps stems Sternbergia structure Tertiary thick tion tissue transverse tree-ferns trees trunks types Upper Cretaceous vascular scar vegetable wood woody
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