The Geological History of PlantsK. Paul, Trench, 1888 - 290 pagini |
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Pagina 27
... sandstone in Can- ada , for which the name Protichnites was proposed by " * ' Impressions and Footprints of Aquatic Animals , " " American Journal of Science , " 1873 . Owen , and which were by him referred to crustaceans LAURENTIAN AND ...
... sandstone in Can- ada , for which the name Protichnites was proposed by " * ' Impressions and Footprints of Aquatic Animals , " " American Journal of Science , " 1873 . Owen , and which were by him referred to crustaceans LAURENTIAN AND ...
Pagina 32
... sandstones . Much more simple markings of this kind would suffice to give species of Eophyton . Another is furnished by a fact stated to the author by Prof. Morse , namely , that Lingulæ , when dis- lodged from their burrows , trail ...
... sandstones . Much more simple markings of this kind would suffice to give species of Eophyton . Another is furnished by a fact stated to the author by Prof. Morse , namely , that Lingulæ , when dis- lodged from their burrows , trail ...
Pagina 33
... sandstones , and even more elaborately on the mod- ern mud - banks of the Bay of Fundy . Some of these simulate ... sandstone ( Fig . 11 ) . FIG . 10. - Carboniferous rill- mark ( Nova Scotia ) , re- duced , to illustrate pre- tended ...
... sandstones , and even more elaborately on the mod- ern mud - banks of the Bay of Fundy . Some of these simulate ... sandstone ( Fig . 11 ) . FIG . 10. - Carboniferous rill- mark ( Nova Scotia ) , re- duced , to illustrate pre- tended ...
Pagina 40
... sandstone in the Upper Cambrian , carbonaceous débris. FIG . 14. - Silurian vegetation restored . Protannularia , Berwynia , Nema- tophyton , Sphenophyllum , Arthrostigma , Psilophyton . raised as to the share of spores and spore -. 40 ...
... sandstone in the Upper Cambrian , carbonaceous débris. FIG . 14. - Silurian vegetation restored . Protannularia , Berwynia , Nema- tophyton , Sphenophyllum , Arthrostigma , Psilophyton . raised as to the share of spores and spore -. 40 ...
Pagina 41
Sir John William Dawson. beds of sandstone in the Upper Cambrian , carbonaceous débris , which seems to be the remains of either aquatic or land plants , is locally not infrequent . Referring to the land vegetation of the older rocks ...
Sir John William Dawson. beds of sandstone in the Upper Cambrian , carbonaceous débris , which seems to be the remains of either aquatic or land plants , is locally not infrequent . Referring to the land vegetation of the older rocks ...
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acrogens aërial roots Algæ allied America appear arctic areoles bark beds belong bituminous branches Brongniart bundles Calamites Canada Carboniferous Caulopteris cells cellular character climate coal coal-formation conifers Cordaites cycads cylinder Dadoxylon Dawson Demy 8vo described Devonian diameter Eocene Erian Europe exogenous Fcap ferns flora formation forms fossil plants fronds fructification fruit Gaspé genera genus Geological Society graphite Greenland hemisphere Illustrations Journal Laramie Laurentian leaf-bases leaf-scars leaves Lepidodendron Lepidophloios Lesquereux limestone Lower Carboniferous Lycopods macrospores medullary rays Mesozoic Middle modern Nova Scotia occur outer Paleozoic period Permian petioles pines pinnate pinnules pith present probably Prof Psilophyton referred resemble Rhizocarps ribbed rocks sandstones scalariform scars Second Edition Sequoia shales Sigillaria Silurian similar Small crown 8vo species specimens Sphenophyllum Sporangites spore-cases spores sporocarps stems Sternbergia structure Tertiary thick Third Edition tion tissue tree-ferns trees trunks Upper Cretaceous vascular vegetable vols Williamson wood woody
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