The American Journal of Science and Arts

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