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abundant appear base beds belong Black called Carboniferous character clay close containing continued course delta deposits described developed Devonian direction distinct east evidence examination existence extended feet formation fossils fragments further genus Geol Geological Glen gneiss granite gravel grey hill inch known lake latter less Lias limestone locality Loch Lower marine marked marl mass mica-slate Middle miles nature nearly noticed observed occur origin parallel pass period plate portion position present probably recent Red Sandstone referred relation remains remarkable represented rest river rocks sand Sandstone seems seen septa shales shells side Silurian similar Skiddaw slates slates Society species specimens stone strata stream surface thickness thin tion traces Upper valley whole
166 페이지 - P. pileiformis, M'Chesney, Descr. of New Species of Fossils from the Palaeozoic Rocks of the Western States of America, p. 40, 1849. P. Cora, Dav., Mon. Carb. Brach. pi. 36. fig. 4, pi. 42. fig.
xvi 페이지 - To promote researches concerning the mineral structure of the earth, and to enable the Council of the Geological Society to reward those individuals of any country by whom such researches may hereafter be made,"—" such individual not being a Member of the Council." 1831. Mr. William Smith. 1835. Dr. GA Mantell. 1836. ML Agassiz.
xxxviii 페이지 - Break very nearly complete both in genera and species, and probable unconformity. Tremadoc Slate. Break very nearly complete both in genera and species, and probable unconformity. Llandeilo and Caradoc beds. Large break, especially in species, and probable unconformity. Lower Llandovery beds. Break and
217 페이지 - Hull, E. The Coal-fields of Great Britain; their history, structure, and resources; with notices of the coal-fields of other parts of the world.
466 페이지 - Among the Reptilian remains found in erect trees at the South Joggins, there have occurred several portions of skeletons, •which, from their sculptured cranial bones, plicated teeth, and the forms of their scales and limb-bones, I have referred to the genus Dendrerpeton, but to individuals of much smaller size than the full-grown specimens of
xxxviii 페이지 - unconformity. Wenlock Shale, &c. Each of these breaks, in my opinion, necessarily implies a lost epoch, stratigraphically quite unrepresented in our area, and the life of which is only 'feebly represented in some cases by the fossils common to the underlying and overlying formations. But
319 페이지 - the strata of deltas, and calculations formed from local superficial deposits. I myself have seen the bricks which formed the foundation of a house I had built carried away, and strewed along the bottom of a river at a depth of 30 or 40 feet below the level of the country.
259 페이지 - will show that, on the whole, the remains of any given animal, if abundant, are not confined to one spot in the cave, but are pretty evenly distributed, and lie large with small, the more with the less dense, not in the least degree sorted by water. There is no evidence of the Bear succeeding to the
60 페이지 - for at least 750 geographical miles, and covering an area fully equal to that of France, that, as it appears to me, a record ought to be preserved of these borings. Southward, at the Rio Colorado, the Pampean formation meets the great Tertiary formation of Patagonia; and northward, at