Bulletin of the United States Geological SurveyThe Survey., 1891 |
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acad Amer amis sc Bavaria befindl Berendt Bernst Blattariæ Blattina Bost Brodie Brongniart Bull Carboniferous coal beds Concealed Dunkard Creek Durdlestone Bay England entom Etoblattina Fauna sarap feet thick Fire clay Foss fossil fossil insects Freeport Geinitz gesellsch Giebel Goldenberg gray Greene County Hagen Handb Heer hist insects Jahrb journ Jura Kanawha Kittanning Koch-Berendt Ligurian Limestone Locality Lond Lower Freeport Lower Lias Lower Purbecks Mazon Creek Menge mésoz miles Monongalia Monongalia County N. A. geol naturf Odonata Ohio outcrop Palæoblattariæ palaeont Palaeontogr Pennsylvania Periód Pittsburgh coal Proc Prussian amber Purbecks Quart Red shale reste vorw River rocks Engl Sandstone Sandy shales Scudder Section Sewickley Shales and sandstone Solenhofen species surv Traité de paléont U. S. geol Upper Freeport Urwelt der Schweiz Vale of Wardour vorwelt Watchung Mountain Watchung trap Waynesburg West Virginia Westwood Weyenbergh Zeitschr Zittel Zittel-Barrois zool
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Seite 6 - Extremely feeble shock: recorded by several seismographs of different kinds; felt by a small number of persons at rest.
Seite 18 - Guide to the Study of Insects, and a Treatise on those Injurious and Beneficial to Crops.
Seite 93 - DOUBLEDAY AND HEWITSON'S BUTTERFLIES. - THE GENERA of DIURNAL LEPIDOPTERA ; comprising their Generic Characters - a Notice of tlie Habits and Transformations— and a Catalogue of the Species of each Genus.
Seite 16 - MANTELL'S GEOLOGICAL EXCURSION ROUND THE ISLE OF WIGHT, and along the adjacent Coast of Dorsetshire.
Seite 36 - This stratum is the only one of the series" that is generally conglomeratic or contains quartz pebbles larger than coarse sand grains. On account of this peculiarity, the rock in question becomes a very important guide to the geologist in the interior of West Virginia, where so many of the Dunkard coals and limestones have disappeared, for it retains its pebbly character over a very wide area. When at its greatest development, the thickness of this stratum approaches 75 to 100 feet. It is usually...
Seite 6 - VI. General awakening of sleepers ; general ringing of bells ; swinging of chandeliers ; stopping of clocks ; visible swaying of trees : some persons run out of buildings ; window-glass broken. "Severe;" '" very severe;
Seite 33 - It is always a multiple bed, being separated Into two or three layers by divisions of slate. Occasionally these divisions are numerous and the entire thickness of the bed is 8 to 10 feet, but in all cases the only pure or merchantable coal is the bottom portion, which seldom exceeds 2% to 3 feet.
Seite 7 - Price 10 cents. 65. Stratigraphy of the Bituminous Coal Field of Pennsylvania, Ohio, and West Virginia, by Israel C. White. 1891. 8". 212pp. 11 pi. Price 20 cents. 66. On a Group of Volcanic Rocks from the Tewan Mountains, New Mexico, and on the occurrence of Primary Quartz in certain Basalts, by Joseph Paxson Iddings.
Seite 10 - The Chain of Life in Geological Time. A Sketch of the Origin and Succession of Animals and Plants. By JW DAWSON, LL.D., PRS, FSS, etc.
Seite 82 - Description of an articulate of doubtful relationship from the Tertiary beds of Florissant, Colorado.