INDEX TO VOLUME XLII. 



A. 



Aconitum reclinatum, a new plant, 34 

 Adams, C. B., note to Mr. Lea's paper 



on native shells, 392. 



S., observations and experiments 



on light, 123. 

 Agassiz, glacial theory of, 346. 



Monograph of the Echinoder 



mata noticed, 378. 

 Agriculture, applications of chemistry 



and geology to, 187. 

 Alabaster in Kentucky, 206. 

 Almanac, American, 192. 

 Analysis of bituminous coal, 369. 

 Animals, infusorial, 388. 

 Anthracite in the manufacture of iron, 



Antiquaries, Northern, Society of, 214. 

 Arabis patens, a new plant, 49. 

 Arsenic, medico-legal remarks upon, 75. 

 Ashes, wood, combustibility of, 165, 167. 

 Astronomical machine, the Tellurium, 



338. 

 Audubon's Birds of America noticed, 



130. 



B. 



Bacillaria, sketch of, 88. 

 Bailey, J. W., on the Infusoria of the 

 family Bacillaria, 88. 



on a microscopic fungus, 



on showers of pollen, 196. 

 Barometric minima at Boston, Feb. 16- 



19, 1842, 403. 

 Beadle, E. R., on the level of the Dead 



Sea, 214. 

 Bibliographical notices, 182, 375. 

 Birds of America, Audubon's, 130. 

 Bituminous coal, analysis of, 369. 

 Blake, J. H., meteorological observations 



in Cuba, 292. 



on coal mines in Cuba, 388. 

 Blast, hot, in smelting of lead, 169. 

 Bone ash in cupellalion, 395. 

 Bones, fossil, from Oregon, 136. 



of the Orycterotherium, 392. 

 Boston Journal of Natural History, 379. 

 Botanical ex,cursion to the mountains of 



North Carolina, 1. 



Teacher, 184, 377. 

 Botany, Hooker's Journal of, 185. 



Botany, Lindley's Elements of, 183. 

 Boulders, 354. 



of the Alps and Jura, 358. 

 Boye, M. H., on perchloric ether, 63. 

 Breithaupt, new minerals described bv. 



386. •^' 



Brewer, T. M., notice of Audubon's 



Birds of America, 130. 

 British Association, proceedings of, 147, 



Cabinet, preparation of fresh-water shells 

 for, 391. 



Carbon, non-conversion of into silicon. 

 193. 



Carbonic acid, solidification of, 203. 



Carbonic acid gas in wells, removal of. 

 165. ' 



Carburetted hydrogen in spheres of car- 

 bonate of lime, 214. 



Chateau-Renard, meteorite of, 403. 



Chevet, F., experiments on bichlorure of 

 sulphur, &c., 71. 



Coal, bituminous, analysis of, 369. 

 mines in Cuba, 388. 



Combustion, spontaneous, in wood ashes. 

 , 165. 



Compass, dipping, manipulations of, 235. 



Concretions, tubular, of iron and sand. 

 207. ' 



Copper sheathing, destructibility of, 322. 



Craterium pyriforme, 195. 



Crustaceans, fossil, 326. 



Cupellation, process for, 395. 



D. 



Daltonism, 162. 



Darling, N., on the hurricane of Septem- 

 ber, 1815, 243. 



Dead Sea, level of, 214. 



DeCandolle, A. P., biographical notice 

 of, 217. 



index to his Prodro- 

 mus, 375. 



Dewey, C, on the geological reports of 

 the state of New York, 227. 



sunset at the West, 200. 



Differential equations, integration of, 273. 



Dipping compass, manipulations of, 235. 



Dolomiiic rocks of the Tyrol, 321. 



Dry rot, 197. 



