Second Contribution to the Studies on the Cambrian Faunas of North America |
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Agnostus Amer angles apex appears Bathyuriscus beak Bic Harbor Billings Cambrian fauna Cañon characters Collection U. S. National convex Crepicephalus diameter Dicellocephalus dorsal valve elongate Emmons enlarged Ethmophyllum Eureka facial suture feet Fixed cheeks Formation and localities.-Middle Formation and locality.-Middle fossils free cheeks front frontal limb genal genera genus Georgia Georgia Formation glabella groove head Highgate Springs Highland Range horizon Hyolithes interior Jour Kutorgina L'Anse au Loup lateral lobes length limestone Lingulella localities.-Middle Cambrian locality.-Middle Cambrian Microdiscus Middle Cambrian narrow nearly Nevada Obolella occipital Olenellus Olenellus Gilberti Olenoides operculum Paradoxides Parker's quarry Plate pleuræ posterior margin Potsdam Ptychoparia pygidium quartzite rounded S. W. Ford scars Scenella segments septa shales shell side Silurian slightly species spines Stenotheca strata striæ surface thorax transverse trilobite Troy type specimen U. S. National Museum Upper Cambrian ventral valve Vermont Walcott width
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Page 721 - ... upon general and economic geology and paleontology. The annual report of operations of the Geological Survey shall accompany the annual report of the Secretary of the Interior. All special memoirs and reports of said Survey shall be issued in uniform quarto series, if deemed necessary by the Director, but otherwise in ordinary octavos.
Page 721 - Director, but otherwise in ordinary octavos. Three thousand copies of each shall be published for scientific exchanges and for sale at the price of publication ; and all literary and cartographic materials received in exchange shall be the property of the United States...
Page 723 - 24. List of Marine Mollusca, comprising the Quaternary fossils and recent forms from American Localities between Cape Hatteras and Cape Roque.
Page 721 - The publications of the Geological Survey shall consist of the annual report of operations, geological and economic maps illustrating the resources and classification of the lands, and reports upon general and economic geology and paleontology.
Page 722 - Price 5 cents. 4. On Mesozoic Fossils, by Charles A. White. 1884. 8°. 36 pp. 9 pi. Price 5 cents. 5. A Dictionary of Altitudes in the United States, compiled by Henry Gannett. 1884. 8°.
Page 721 - Powell. 1884. 8°. xxxii, 473 pp. 85 pi. and maps. V. Fifth Annual Report of the United States Geological Survey, 1883-'84, by JW Powell. 1885. 8°.
Page 794 - York system, or the lower division o!' the Silurian system of Mr. Murchison. The fossils found in the Black slate, it should be mentioned, were Trilobites — Atoj»t trilineatun, a form allied to Triiirthru* beckii and EllipFlo.
Page 721 - Geology of the Comstock Lode and the "Washoe District, with atlas, by George F. Becker. 1882. 4°.
Page 721 - King. 1880. 8°. 79pp. 1 map. — A preliminary report describing plan of organization and publications. II. Report of the Director of the United States Geological Survey for 1880-'81, by JW Powell. 1882. 8°.
Page 939 - ... rounded and presenting a strong convex elevation, neck furrow extending all across, three pairs of glabella furrows represented by small but distinct and obtuse indentations in the sides. Fixed cheeks rather strongly convex. Eyes of moderate size, semicircular ; a line drawn across the head at about one-third the length of the glabella from behind would pass through them, and they are distant from the side of the glabella about the width of the neck segment. The front of the...