424 



INDEX. 



Plants, influence of colored light upon, 194. 

 experiments upon their inorganic el 

 ements, 194. 



Plumbago and anthracite near Worcester, 

 Mass., 214. 



Polariscope, natural, of tourmaline and mica, 

 418. 



Polstorff, M., experiments upon the inorgan- 

 ic elements of plants, 194. 



Polygons, measurement of, 380. 



Potassium, atomic weight of, 189. 



Pulkova observatory, astronomical opera^ 

 tions at, 88. 



Pyrrhite, description of, 340. 



blowpipe characters of, 418. 



Q. 



Quinine, preparation of, 196. 

 Quinoline, production of, 196. 



R. 



Redfield, W. C, on some phenomena of the 

 diluvial period, 120. 



Rich, E., project for reforming the English 

 alphabet and orthography, 420. 



Rigg's Chemical and Agricultural Experi 

 mental Researches noticed, 211. 



Rio de Janeiro, meteorological register at, for 

 1832-43, 290. 



Rogers, H. D., address before the Associa- 

 tion of American Geologists and Natural- 

 ists, 137, 247. 



on the constitution of the earth's 

 ancient atmosphere, 105. 



Rogers, R. E., apparatus for the reduction 

 of iron ores, 106. 



Rogers, W. B., on chemical equivalents, 

 105. 



Rowles, M., on the evaporation of water un- 

 der electrical insulation, 190. 



Salts, alkaline, action of on sulphate of lead, 

 81. 



Sauroidichnites abnormis, a new species, 307. 



Scandinavian coast, elevation of, 184. 



Scapolite, pink, formula of, 418. 



Sedimentary rocks of the tjnited States, 95. 



Shepard's Treatise on Mineralogy reviewed, 

 346. 



Silliman, B., Jr., on the intrusive trap of the 

 new red sandstone of Connecticut, 107. 



on a natural polariscope, 

 418. 



Silver, atomic weight of, 189. 



Sismondine, anew mineral, 217. 



Smith, D. B., Principles of Chemistry noti- 

 ced, 414. 



Smith, H. L., discovery of a new comet, 419. 



Smith, J. L., on the action of some alkaline 

 salts upon sulphate of lead, 81. 



on fossil bones, 116, 131. 

 on oxide of cobalt, 131. 

 notice of Berzelius's Annual 

 Report for 1843, 187. 



Soubeiran, M., on the pulverization of calo- 

 mel, 193. 



Succinic acid, production of, 196. 



Sulphur acid, new, 191. 



Sulphurets of metals, new method of pre- 

 cipitating, 193. 

 Sulphuric acid, tension of, 191. 



Talc from Chamouni, analysis of, 216. 



Temperature, laws and phenomena of, 19 et 

 seq. 



influence on vegetable geog- 

 raphy, 221. 



Terraced banks of Connecticut River, 98. 



Teschemacher, J. E., on singular crystals of 

 lead from Rossie, N. Y., 417. 



on the blowpipe char- 

 acters of Pyrrhite, 418. 



Ticknor, G., letter of Baron von Waltershau- 

 sen to, 100. 



Trap, intrusive, of the new red sandstone of 

 Connecticut, 107. 



Trap tufa of Connecticut River valley, 103. 



Troglodytes niger, characters and habits of, 

 411. 



U. 



Unionidse of the country of the Iguanodon, 



402. 

 Unio Valdensis, description of, 403. 

 Uranium, atomic weight of, 189. 



V. 



Volcanoes, geographical distribution and 



phenomena of, 127. 



of Vesuvius and the Solfatara, 



182. 

 Volney, M., his theories of temperature, 232. 



W. 



Walpers' Repertorium Botanices Systemati- 

 cffi, 200. 



Waltershausen, Baron von, letter respecting 

 his " Etna and its Convulsions," 100. 



Water, boiling point in different vessels, 190. 

 evaporation of under electrical insu- 

 lation, 190. 



solubility of chlorine in, 191. 



Webber, S., on the alluvial banks of Con- 

 necticut River, 98. 



Webster, N., his opinions on temperature, 

 228. 



Weights, atomic, of simple bodies, 187. 



Whitlock, G. C, on the measure of polygons, 

 380. 



Weigmann, M., experiments upon the inor- 

 ganic elements of plants, 194. 



Wilkes, C, on the formation of antarctic 

 ice, 114. 



Winds, direction of, 40. 



Winthrop, J., catalogue of objects of natural 

 history, 282. 



Yttro-cerite, discovery of in Massachusetts, 

 351. 



analysis of, 353. 



Z. 



Zinc and manganese in solution, separation 

 of, 194. 



