The Geological History of PlantsD. Appleton & Company, 1892 - 294 pagini |
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... Natural Selection " and " Inheritance " to Political Society . By WALTER BAGEHOT . $ 1.50 . 3. FOODS . BY EDWARD SMITH , M. D. , LL . B. , F. R. S. With numerous Illus- trations . $ 1.75 . 4. MIND AND BODY : The Theories of their ...
... Natural Selection " and " Inheritance " to Political Society . By WALTER BAGEHOT . $ 1.50 . 3. FOODS . BY EDWARD SMITH , M. D. , LL . B. , F. R. S. With numerous Illus- trations . $ 1.75 . 4. MIND AND BODY : The Theories of their ...
Pagina
... NATURAL CONDITIONS OF EXISTENCE . BY KARL SEMPER . With 2 Maps and 106 Woodcuts . $ 2.00 . 31. SIGHT : An Exposition of the Principles of Monocular and Binocular Vision . By JOSEPH LE CONTE , LL . D. With 132 Illustrations . $ 1.50 . 32 ...
... NATURAL CONDITIONS OF EXISTENCE . BY KARL SEMPER . With 2 Maps and 106 Woodcuts . $ 2.00 . 31. SIGHT : An Exposition of the Principles of Monocular and Binocular Vision . By JOSEPH LE CONTE , LL . D. With 132 Illustrations . $ 1.50 . 32 ...
Pagina 2
... natural divisions of the vegetable kingdom in their relations to that chronology . The crust of the earth , as we somewhat modestly term that portion of its outer shell which is open to our obser- vation , consists of many beds of rock ...
... natural divisions of the vegetable kingdom in their relations to that chronology . The crust of the earth , as we somewhat modestly term that portion of its outer shell which is open to our obser- vation , consists of many beds of rock ...
Pagina 14
... natural injections , sometimes of much beauty . In correspondence with this , while in some Laurentian graphitic rocks , as , for instance , in the compact graphite of Clarendon , the carbon presents a curdled appearance due to ...
... natural injections , sometimes of much beauty . In correspondence with this , while in some Laurentian graphitic rocks , as , for instance , in the compact graphite of Clarendon , the carbon presents a curdled appearance due to ...
Pagina 54
... natural size . Ax , Same , magnified . B , Sp . biloba , natural size . c , Detached macrospores . D , Spore - cases of Salvinia natans . DX , Same , magnified . E , Shale with sporangites , vertical section , highly magnified . The ...
... natural size . Ax , Same , magnified . B , Sp . biloba , natural size . c , Detached macrospores . D , Spore - cases of Salvinia natans . DX , Same , magnified . E , Shale with sporangites , vertical section , highly magnified . The ...
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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