The American Journal of Science and ArtsS. Converse, 1852 |
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action Algæ alumina ammonia angle animals appears axis barrier reefs carbonate carbonic acid cell character chlorid circuit clepsydra coal coast cold color cone containing copper coral coral reefs crystals currents deposits diameter earth exhibited exist experiments extent fact feet fluid fossil gamboge glass heat hornblende hydrogen inches iron islands Journal Lake Lake Superior less light light-house lime magnesia manufacture mass matter means Megatherium mercury metal miles mineral Morton mountain natural nearly nitric acid observed obtained organic oxyd oxygen peroxyd phosphoric acid plane plants plates portion potash precipitate present produced Prof quantity reefs remarkable river rocks salt sand SECOND SERIES shores side silica solution species specific gravity specimens sufficient sulphur sulphuret surface temperature tion trees urine valley vegetable ventilation vessels warm whole wires zinc
Popular passages
Page 448 - Contributions to the Natural History of the Fresh Water Fishes of North America.
Page 289 - Lake of Utah: including a description of its geography, natural history, and minerals, and an analysis of its waters : with an authentic account of the Mormon settlement.
Page 52 - On the Vegetation of the Carboniferous Period as compared with that of the present day," published in 1848, was an important contribution to the science.
Page 396 - The natural history of these islands is eminently curious, and well deserves attention. Most of the organic productions are aboriginal creations found nowhere else; there is even a difference between the inhabitants of the different islands; yet all show a marked relationship with those of America, though separated from that continent by an open space of ocean, between 500 and 600 miles in width.
Page 149 - On a Fossil Saurian of the New Red Sandstone Formation of Pennsylvania, with some Account of that Formation. Also, On some New Fossil Mollusks in the Carboniferous Slates of the Anthracite Seams of the Wilkesbarre Coal Formation.
Page 331 - President be, and he is hereby, authorized and required to appoint, immediately after the passage of this act, two officers of the navy, of high rank, one officer of the corps of engineers of the army, one officer of the corps of topographical engineers of the army, and two civilians of high scientific attainments, whose services may be at the disposal of the President; and an officer of the navy and an officer of engineers of the army, as secretaries, who shall constitute the Light-house Board of...
Page 291 - Annual Report of the Regents of the University of the State of New York, on the Condition of the State Cabinet of Natural History, and the Historical and Antiquarian Collection annexed thereto.
Page 167 - Semitic races. 4. The Austral-Egyptian or Meroite communities were an Indo-Arabian stock engrafted on the primitive Libyan inhabitants. 5. Besides these exotic sources of population, the Egyptian race was at different periods modified by the influx of the Caucasian nations of Asia and Europe, — Pelasgi, or Hellenes, Scythians, and Phoenicians.
Page 419 - We measure mechanical work by foot-pounds, and the amount of heat we measure by the quantity of heat which is necessary to raise the temperature of one pound of water by one degree, taking the centigrade scale.
Page 147 - On the Geological position of certain beds, which contain numerous Fossil Marine Plants of the family Fucoides, near Lewistown, Mifflin county, Pa," (1834). ' On the relative position of the Transition and Secondary Coal Formations in Pennsylvania, and description of some transition or Bituminous, Anthracite, and Iron ore beds, near Broad Top Mountain, in Bedford...