The Geological History of PlantsK. Paul, Trench, 1888 - 290 pagini |
Din interiorul cărții
Rezultatele 1 - 5 din 58
Pagina 3
... spot , say in one shaft sunk through the whole thickness of the earth's crust , this would be sufficient for our purpose , so far as the history of life is concerned . The evidence is similar to that obtain mann on the.
... spot , say in one shaft sunk through the whole thickness of the earth's crust , this would be sufficient for our purpose , so far as the history of life is concerned . The evidence is similar to that obtain mann on the.
Pagina 5
... thickness of sition of many of them in the older systems , that they must have re quired vastly greater time . Taking these criteria int account , it has been estimated that the time - ratios for the first three great ages may be as one ...
... thickness of sition of many of them in the older systems , that they must have re quired vastly greater time . Taking these criteria int account , it has been estimated that the time - ratios for the first three great ages may be as one ...
Pagina 8
... thickness , we find no traces of the any living thing on the earth . But , in the tion of the Laurentian , rocks are found wh that there were already land and water , and tha and possibly the land were already tenante beings . The great ...
... thickness , we find no traces of the any living thing on the earth . But , in the tion of the Laurentian , rocks are found wh that there were already land and water , and tha and possibly the land were already tenante beings . The great ...
Pagina 9
... thick beds of graphite and beds of limestone charged with detached grains and crystals of this sub- stance , and graphitic gneisses and schists and veins of graphite traversing the beds , we recognise the same phenomena that are ...
... thick beds of graphite and beds of limestone charged with detached grains and crystals of this sub- stance , and graphitic gneisses and schists and veins of graphite traversing the beds , we recognise the same phenomena that are ...
Pagina 11
... thick , reticulated with graphite veins to such an extent as to be mined with profit for the mineral . At another place in the same dis- trict a bed of graphite from ten to twelve feet thick , and yielding 20 per cent . of the pure ...
... thick , reticulated with graphite veins to such an extent as to be mined with profit for the mineral . At another place in the same dis- trict a bed of graphite from ten to twelve feet thick , and yielding 20 per cent . of the pure ...
Alte ediții - Afișează-le pe toate
Termeni și expresii frecvente
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
Pasaje populare
Pagina 35 - BARNES, William.— Poems of Rural Life, in the Dorset Dialect. New Edition, complete in one vol. Crown 8vo, 8s.
Pagina 16 - MARKHAM, Capt. Albert Hastings, RN— The Great Frozen Sea : A Personal Narrative of the Voyage of the Alert during the Arctic Expedition of 1875-6.
Pagina 13 - A Consul's Manual and Shipowner's and Shipmaster's Practical Guide in their Transactions Abroad. With Definitions of Nautical, Mercantile, and Legal Terms ; a Glossary of Mercantile Terms in English, French, German, Italian, and Spanish ; Tables of the Money, Weights...
Pagina 3 - Some Articles on the Depreciation of Silver, and Topics connected with it. Demy Svo, 5*.
Pagina 21 - HDM SPENCE. Genesis. By the Rev. T. WHITELAW, MA With Homilies by the Very Rev. JF MONTGOMERY, DD, Rev. Prof. RA REDFORD, MA, LL.B., Rev. F. HASTINGS, Rev. W. ROBERTS, MA An Introduction to the Study of the Old Testament by the Venerable Archdeacon...
Pagina 24 - Expository Lectures on St. Paul's Epistles to the Corinthians. A New Edition. Small crown 8vo, 5^. Lectures and Addresses, with other Literary Remains. A New Edition. Crown 8vo, $s. An Analysis of Mr. Tennyson's
Pagina 30 - XI. Animal Mechanism : a Treatise on Terrestrial and Aerial Locomotion. By Professor EJ Marey. With 117 Illustrations. Third Edition. Crown 8vo, 5*.
Pagina 19 - Q. Horati Flacci Opera. Edited by FA CORNISH, Assistant Master at Eton. With a Frontispiece after a design by L. Alma Tadema, etched by Leopold Lowenstam. Edgar Allan Poe's Poems. With an Essay on his Poetry by ANDREW LANG, and a Frontispiece by Linley Sambourne.
Pagina 23 - REYNOLDS, Rev. JW— The Supernatural in Nature. A Verification by Free Use of Science. Third Edition, Revised and Enlarged, Demy 8vo, 14^.
Pagina 21 - Numbers. By the Rev. R. WINTERBOTHAM, LL.B. With Homilies by the Rev. Professor W. BINNIE, DD, Rev. ES PROUT, MA, Rev. D. YOUNG, Rev. J. WAITE, and an Introduction by the Rev. THOMAS WHITELAW, MA Fourth Edition.