The American Journal of Science and Arts

32-pound shot acetate alumina ammonia analysis appears beds blue boiling Boott calcareous carbonate carbonic acid Carboniferous chlorid chlorohydric acid Chonetes clay Coal Measures coast cobalt color containing Cretaceous crystals depth determined diameter dissolved distance electricity evaporation experiments explorations fact fathoms flame fossils genera genus geological give heat hornblende inch island itacolumite Journal Leidy Lieut lime limestone liquid lower coal magnesia memoirs metallic miles mineral motion mountain nearly nickel nitrate nitric acid North observations obtained occurs ocean ophiolites oxyd Permian Ponape portion potash Pounds precipitate present Prof protoxyd pyrophyllite quantity region remarkable Report resistance river rocks route salts sandstone SECOND SERIES serpentine sesquioxyd of iron shale Shumard silica Silurian sinker soda soluble solution sound species specimens strata sulphate sulphuric surface Swallow temperature tion trace tube upper valley velocity vibrations volume weight XXVI yellow