INDEX. 



411 



Latitudes of several places in the United 



Stales, 43. 

 Lea, H. C, descriptions of fossil shells,92. 

 Lea, Isaac, notice of the oolitic formation 

 in America, 41. 



new species of Colimacea, 28. 

 on Patella amcEna, 31. 

 Lea, M. C, analyses of anthracite coal. 

 373. 



on southern coal field of Penn. 370. 

 Level of the Dead sea, 213. 

 Liebig on chemistry of agriculture, 177. 

 Limber, J., fossil remains in N. C, 405. 

 Linneeus, herbarium of, 2. 

 Littrow, death of, 220. 

 Locke, John, observations of magnetic 

 dip, 149. 



magnetic intensity, 56. 

 Longitudes of several places in the Uni- 

 ted States, 43. 

 Loomis, E., observations of magnetic dip. 

 85,380. 



magnetic intensity, 378. 



on the storm of Dec. 20, 1836,34. 



Lowell Institute, galvanic deflagrator, 48. 



M. 



Magnetic dip in the U. S., 85, 149. 

 intensity in Europe, 30. 



U. States, 56, 378. 

 observations, system of, 48,335. 

 Magneto-electric instruments, 104. 

 Magnetometer, new, 380. 

 Mariner's compass, invention of, 242. 

 Mason, E. P., observations on nebulce,37. 



obituary notice of, 407. 

 Masonite, anew mineral, 186. 

 Mastodon bones, notice of, 56. 



dental system of, 377. 

 Mercury, temperature of, in a siphon ba- 

 rometer, 250. 

 Meteoric iron, analysis of, 369. 

 observations, 201, 203. 

 showers of former times, 349. 

 Meteorite of Cold-Bokkeveld, 199. 

 Meteors of August, 5!, 201. 

 Meteorological observations, reduction 

 of, 311. 



hourly, .321,322. 

 inquiries, 402. 

 notes, 204. 

 Meteorology, Forbes's report on, 318. 

 of Perth, 342. 

 journal for 1840, at Mari- 

 etta, 345. 

 Michigan, geological survey of, 136.- 

 Mitchell, Wm., remarks on the tails of 



comets, 59. 

 Mitra, three species of, described, 101. 

 Mohs, F., death of. 220. 

 Moliusca of Middlebury, Vt., 266. 

 Monkey, howling, notice of, 387. 

 Moon, ileal of her beams, 315. 



Moquin-Tandon's Enumeratio Chenopo- 



dearum, noticed, 174. 

 Morin on meteorology, 402. 

 Morris, Miss M. H., on the Hessian fly, 



381. 

 Mound, great, in Adams co. Miss., 376. 

 Muscae volitantes, cause of, 323. 



N. 



Natural Hist., Bost. Jour, of, 196. 



Society of, 386. 

 Nebula?, observations on, 37. 

 Necrology, 218, 407. 

 Nelumbium luteum, 390. 

 New York, geological report of, 73. 

 Northern antiquaries, society of, 212. 

 402. J > > 



Numbers, interesting properties of, 112. 

 O. 



Observatory erecting near Glasgow, 344. 



to be built in Philad.,375. 

 Ocean, depth of, 407. 

 Ohio, geological survey of, 126. 

 Olmsted, D., meteors of November, 202. 

 Oolitic formation in America, 41. 

 Organic chemistry by Liebig, noticed, 



177. 

 Ornithology, notices in, 19. 

 Oxalic ether and chlorine, compound of, 



215. 



Parasite of eggs of the canker worm, 211. 



Parker, Capt., on volcanoes of Hawaii, 

 117. 



Parker, Peter, on volcanic ashes, 198. 



Pasithea, three species of, described, 92. 



Patterson, Dr., on electricity from steam, 

 382. 



Payen on woody tissue of plants, 176. 



Perkins, G. R., on properties of numbers, 

 112. 



Pigeons, roosts of, in Ohio, 348. 



Plants, spiritual life of, 170. 



Pleurotoma, new species of, described, 98. 



Plummer, J. T., horticultural experi- 

 ments, 197. 



observations on insects, 146. 



Pneumatic paradox, note on, 144. 



Poisson, death of, 220. 



Potassium, process for obtaining, 27. 



Powell's report on radiant heat, 313. 



Preservation of timber, 213. 



Proceedings of Am. Phil. Soc. 27, 374. 

 Bost. Nat. Hist. Soc, 386. 



R. 



Rafinesque-Schmaltz, C. S., writings of 

 221. ' 



Rain, excessive falls of, 326. 



Phillips's researches on, 326. 

 Rhode Island, survey' of, 182. 



