INDEX. 



403 



Longitudes determined by meteors, 372. 

 of several places in the U. S., 

 363. 

 Loomis, Elias, astronomical observations, 

 361. 



on magnetic variation and dip in 

 theU. S., (with chart,) 41. 



account of Hudson observatory, 

 361. 

 Lycopodium, fall of, in a shower of rain, 

 399. 



M. 



Machinery, electricity excited in, 134. 

 Maclure, Wm., obituary of, 212, 395. 

 Magnetic chart of the U. S., 41. 



dip and variation in do., 41. 

 observations by J. Locke, 319. 

 observations in U. S., 193, 370. 

 Magneto-electric machine, 132. 

 Maltby, J., tornado in Northford, 384. 

 Mantell's Wonders of Geology, notice 



of, 1. 

 Mapes's American Repertory, notice of, 



394. 

 Martin, Joseph, on central forces, 262. 

 Mastodon, tooth of, described, 53. 

 Matter, infinite divisibility of, 55. 

 Mengite identical with Edwardsite, 249. 

 Meteoric fire-balls, 381,382. _ 

 Meteorite of Missouri, analysis of, 254. 

 Meteorological register, 63. 

 Meteors of August 9 and 10, 1840, 328. 

 Meteors observed for finding longitudes, 



372. 

 Meyen's New System of Vegetable 



Physiology noticed, 181. 

 Microscopical Society of London, 203 

 Mineral, supposed new species, 357. 

 Minerals, collections of for sale, 199. 



from New Holland, notice of, 



157. 

 Mitchell, Wm., on auroral belt, 383. 

 Monazite identical with Edwardsite, 249 

 Monkton pond, burning, 399. l 



Montgomery, Gen., death of, in attack 



on Quebec, Trumbull's painting of, 



223. 

 Moodus noises atE. Haddam, 336. 



N. 

 Naiades, habits of, 164. 

 New Holland, notice of minerals from, 



157. 

 New York, geological Survey of, 95. 



zoology of, 388. 

 North American Flora, by Torrey and 

 Gray, noticed, 198. 



O. 



O'Brien on case of transpiration, 400 

 Observatory at Hudson, Ohio, 361. 

 Olbers, obituary of, 387. 

 Orthography, English, proposed reforms 

 of, 197. 



Page's entomological cabinet for sale, 

 211. 



Paine's Medical Commentaries noticed, 

 209. . 



Paintings, Trumbull Gallery of at Yale 

 College, 213. 



Parhelia, descriptions of, 61. 



Peru, South, native nitrate of soda in, 

 375. 



Petroleum oil well, 195. 



Phrenology, remarks on, 67. 



Plants, how affected by frost, 18. 



Pneumatic paradox, theory of, 296. 



Presl, his Genera Filicacearum noticed, 

 174. 



Princeton, battle of, painted by Trum- 

 bull, 231. 



Q. 



Q,uartz, rhombohedral, from New Hol- 

 land, 161. 



R. 



Renwick's applications of mechanics 

 noticed, 211. 



Riddell, J. L. on Hog Wallow Prairies 

 of Texas, 211. 



Rogers, H. D. on a new chemical com- 

 pound, 369. 



Rose, G. on identity of Edwardsite and 

 Monazite, 249. 



Russell on Statistical Inquiry, noticed, 

 395. 



Russell, J. L. on cryptogamia of Chelms- 

 ford, 183. 



S. 



Schaeffer, Geo. C. on meteors of August, 

 1840, 332. 



Shells, fossils from North Carolina, 387. 

 new species described, 373. 



Shepard, C. U. analysis of Missouri me- 

 teorite, 254. 



identity of Edwardsite and 

 Monazite, 249. 



supposed new mineral, 

 357. 



Shooting Stars of Aug. 9 and 10, 1840, 

 328. 



Siebold's Flora Japonica noticed, 175. 



Silliman, B. remarks on phrenology, 67. 



Smith, Azariah, on electricity in ma- 

 chinery, 134. 



Snell, E. S. on mean temperature of the 

 year, 36. 



Society, microscopical, of London, 203. 

 of Arts, Manufactures, &c., 397. 

 Amer. Philos., proceedings of, 

 361. 



Soda, nitrate of, native, 375. 



Sphene, supposed new mineral allied to, 

 357. 



