INDEX. 



407 



K. 



Kakodyle, production of, 324. 

 Knapp, T. L., on the use of the hot blast 

 in smelting lead, 169. 



Lea, H. C, description of newshells,106 

 on the peroxide of manganese, 81 



Lead, smelting of, 169. 



Leedoni, E. C, description of an astro- 

 nomical machine, 338. 



Lewis, W. J , on the involution of poly 

 nomials, 239. 



Light, observations and experiments on, 

 ]23. 



Lightning, facts connected with, 393. 



Limestone, hydraulic, of New York, 228 



Lindley's Elements of Botany, 183. 

 Flora Medica, 182. 



Linnaeus's botanical writings, 375. 



Linsley, J. H., on some facts connected 

 with a stroke of lightning, 393. 



Locke, J., on alabaster in the Mammoth 

 Cave of Kentucky, 206. 



on a new species of trilobite, 366 

 on the manipulations of the dip- 

 ping compass, 235. 



Locomotive spark extinguisher, 209. 



Longitude, determination of, by shooting 

 stars, 399. 



Loudon's Arboretum Britannicum, 376. 



Louisiana, geological survey of, 390. 



Lyell, C, his visit to the United States, 

 213. 



Elements and Principles of Geol- 

 ogy,191. 



M. 



Maclaren, C, on the glacial theory of 



Agassiz, 346. 

 Magnetism, terrestrial, observations in, 



151. 

 Mammoth Cave, Kentucky, alabaster in, 



206. 

 Manganese, peroxide of, 81. 

 Manures as stimulants to vegetation, 319 

 Matter demonstrated to be heavy, 264. 

 Melanians, note on, 216. 

 Meteoric stone in Silesia, 203. 

 Meteorite of Chateau-Renard, 403. 

 Meteorites in France, 203. 

 Meteorological journal at Marietta, Ohio, 



for 1841, 344. 



memoranda, ancient, 399. 

 observations in Cuba, 292. 

 Meteorology, 202. 

 Meteors of April J8-20, 1841, 397. 



periodical, of August and No 



vember, 401. 



sporadic, 402. 

 Michaux, A., botanical researches in the 



United States, 2. 



Michaux, his Sylva Americana, new edi- 

 tion, 377. 

 Microscopic fungus, 195. 

 Mid Lothian coal, analysis of, 369. 

 Minerals, new, 386. 

 Mines, coal, in Cuba, 383. 

 Minima, barometric, 403. 

 Moraines, 352. 

 Murchison, R. L, travels in Russia, 213. 



N. 



Natural History, Annals of, 186. 



Boston Journal of, 379. 

 Naviculacese, sketch of, 88. 

 New York, geological reports of, 227. 

 Nitrogen in organic compounds, 253. 

 Northern Antiquaries, Society of, 214. 



O. 



Organic compounds, nitrogen in, 253. 

 Orycterotherium, bones of. 392. 

 Ozone, a new element, 318. 



Paddle-wheel and screw, propulsion of 



vessels by, 336. 

 Paine, R. T., on barometric minima of 



Feb. 16-19, 1842, 403. 



on the solar eclipse of July 



8th, 1842, 175. 

 Pantology, Park's, 192. 

 Parthian Archer, picture of, 215. 

 Perchloric ether, 63. 



Periodical meteors of August and No- 

 vember, 401. 

 Perkins, G. R., solution of a functional 



equation, 69. 



H. C, notice of fossil bones from 



Oregon Territory, 136. 

 Photographic copies of engravings, 164. 

 Pierpont, James, meteorologicarnotes in 



1692, 399. 

 Planetarium, Russell's, described, 400. 

 Plants, new species of, 49. 

 Plummer, J. T., on the combustibility of 



wood ashes, 167. 



on the dry rot, 197. 

 Pollen, showers of, 195. 

 Polynomials, involution of, 239. 

 Pycnanthemum, conspectus of the genus, 



44. 



R. 



Rafinesque, C. S., zoological writings of 

 280. ' 



Rain-guage, globular, 159. 

 Redfield, W. C, his theory of storms 

 Dr. Hare's objections to, 140. 



on the storm of Dec. 15th. 

 1839, 112. ' 



reply to Dr. Hare's " ob- 

 jections," 299. 



