412 



INDEX. 



Reminiscences of Eli Whitney, Esq. by 



the Editor, 255. 

 Reptiles, geological age of, 359. 

 Rivers, action of, 23. 

 Rock blasting, galvanic ignition in, 139 

 Rotascope, W. R. Johnson on, 265. 

 Russian mines of gold and silver, 372. 



s. 



Saguerus, 36. 



Salicine, 155. 



Salt a remedy for animal poison, 158. 



Sapphire of Sussex county, N. J. 319. 



Saratoga and Ballston waters, analysis of, 



182. 

 Say's American conchology, 179 

 Schroeder, Rev. J. F., address at the 



opening of the New York dispensary, 



181. 

 Science, British association for the pro- 

 motion of, 373. 

 Science in the South, 188. 



in the West, 187. 



Sea, action of, 21. 



Sealing wax, making of, 150. 



Sedgwick, Rev. A., address before the 



geological society of London, 186. 

 Shepard, C. U., treatise on mineralogy, 



389. 

 . on copper ore of Strafford, 



Vermont, 383. 

 =— on the mineralogy and 



geology of Orange county, N. Y. and 



Sussex county, N. J., 321. 

 Ships, lightning conductors for, 347. 

 Sida abutilon, 37. 

 Silver, chloride of, 369. 



' Russian mines of, 372. 



Size, composition of, 168. 



Skulls, 197. 



Solvent power of hard waters, 150. 



Songs of birds, 164. 



Southern Agriculturalist for July, 182. 



Spiders of North America, Prof. Hentz 



on, 99. 

 Steam boilers, collapse and explosion of, 



190. 

 Steel, Dr. analysis of the Saratoga and 



Ballston water, 182. 

 Steel, prevention of, from rusting, 150, 

 Stratiographical geology. Prof. Eaton on, 



199. 

 Strong, Prof., on central forces, 66, 334. 

 Subterranean forests, 23. 

 Sugar from potatoe starch, 284. 

 Sussex county, N. J., mineials of. Dr. 



Fowler on, 319. 

 , . mineralogy and 



geology of, C. U. Shepard on, 321. 



Tables to determine latitnde at sea, 187. 



Temperance, 194. 



Temperatures, increased, disinfecting 



power of, 392. 

 Terms, ornithological, improved, 162. 

 Text book, Prof. Eaton's geological, 389. 

 Thomas, D., on American locust, 188. 

 Tin, alloy of, with bismuth and lead, 371, 



375. 

 Touchwood, 163. 



Trees, preservation of, from hares, 159. 

 Tully, Prof, on narcotine and morphine, 



39. 

 Turner, Dr. on ores of manganese, 364. 

 Turpentine, oil of, 93, 291. 

 Twine and thread, vegetable materials for, 



27. 

 Tyler, J. W., notice of a halo by, 189 



u. 



Unicorn, existence of, 123. 



V. 



Vapor and heat, W. R. Johnson on, 71, 304. 



Vaporization, limits of, 151. 



Vauquelin's process for obtaining metallic 



chromium, 375. 

 Vegetable life, functions of, 153. 

 tenacity of, 158. 



materials for cordage, &c., 27. 



Volcanic island in the Mediterranean sea, 



399. 

 Volcanoes, 24. 

 Voltaic pile, action of, on living animals,. 



157. 



w. 



Water, hard, solvent powers of, 150. 



decomposition of, by electricity, 



368. 

 Weed, W. B., on scenery in Penn., 197. 

 Whewell's, Prof., chemical nomenclature, 



369. 

 Whitney, Eli, Esq., memoir of, by Prof. 



Olmsted, 201. 



reminiscences of, by 



the Editor, 255. 

 Wounds dressed with cotton, 159. 



Y. 



Yard, English, compared with the French 



metre, 382. 

 Yorkshire philosophical society, 168, 



