422 



INDEX. 



Climate, change of, 130, 377, 



Cohen, Mr., ou crystallized carbon, 167 



Compression of gas, producing heat, 180 



Conchology, American, 400. 



Conrad, T., notice of his work on shells 



400. 

 Convvell, Dr., on light, 350. 

 Cooper's disclaimer, 413. 

 Crystallization, a singular kind of, 12S. 

 Crystals in living plants, 382. 

 Currents in the ocean, 180. 

 Cypvaea, monograph of, 379. 



D. 



Daubeny, Prof., on azotic gas in warm 



springs, 383. 

 Davy, Sir H., notice of his last work, 170. 

 Despretz, C, on crystallizable acetic acid, 



186. 

 the decomposition of car 



bonic acid, 186. 



on the decomposition of 



water, 186. 

 Diallage, affinity of, with augite, 168. 

 Diophantine Pi'oblem, solution of, 295. 



E. 



Eaton, Prof., on a supposed fossil crotalus, 

 122. 



on the gold rock of Mexico, 



124. 



150. 



419. 



on the fish of Hudson river, 

 ■ notice of his geological labors 

 on the reflective goniometer, 



158. 

 Economical steam boat, 41. 

 Education, 413. 



in LyonSi 174. 



Electro-magnetic properties of metallic 



veins, 136. 

 Electricity of the atmosphere, 179. 

 Electricity, decomposition by, 179. 

 Electro-magnet, a large one at Y. Coll. 



201. 

 Elements of Chemistry, notice of, 96 

 Encyclopaedia Americana, notice of, 167, 



416. 

 Erythronium, a new metal, 386. 

 Explosions of Steam boilers, 415. 



Fealherstonhaugh, G. W., new Journal of,! 



412. 

 Field, Gen. M., meteorological lablc and 



remarks, by, 261. 



Fire, protection from, by peculiar dresses, 

 96. 



Fish in Hudson river, 150. 



Flame, protection from, by a new inven- 

 tion, 96. 



Floating Pumice, 161. 



Fossil animals, 382 



Fossil bones from Kentueky, 370. 



Fossils, proposal for the exchange of, 397. 



Fuel for steam boilers, 133. 



Franklin Institute, journal of, 412. 



Society of Providence, proposal of 



415. 



Friend of Mankind, a new journal, 414. 

 Fremont, garden of, 83. 



G. 



Galvano-magnetism, 143. 



Garden of Fromont, 83. 



Gay-Lussac's lectures, 94. 



Gold coinage in the U. States, statistics 



of, 401. 

 formation of Mexico and U. States, 



124. 



mines of N. Carolina, 401. 



Goodrich, Mr. J., on the volcanic region 



of Hawaii, 228. 

 Green's elements of chemistry, 89. 

 Greywacke, scratches on, 124. 

 Griscom, Prof., translations by, 96, 172, 



269, 377. 

 Gulph stream, loss of vessels in, 158. 

 Gum ammoniacum, 399. 

 Gunpowder, composition of, 190. 



H. 



Hail storms, reply to Christie on, 373. 

 Halos, .solar and lunar, 297. 

 Hare, Dr., his Compendium of Chemis- 

 try, 95. 

 Hayden's Geological Essays, 164. 

 Hayes, A. A., on pure chromate potash, 409- 

 on a singular crystallization, 



128. 



Hawaii, volcanic region of, 228. 



Heat produced by compression of gases, 

 180. 



Heidelberg collection of rocks and mine- 

 rals, 398. 



Henry, Prof. J., on magnetic attractions 

 and repulsions, 340. 

 — — on a large electro magnet, 201. 



Henry, Dr., notice of his elements of 

 chemistry, 89. 



Herrings, on the discovery of the meth- 

 od of curing them, 183. 



Hildretb, Dr. 8. P,, Meteorological re- 

 marks bv. ll'6. 



