INDEX. 



Accidents Irom fulminating powders, 168. 

 Acid, (sulphuric) lake of, 49, 58. 



river of, 59. 

 Address to the people of the Western Country, 203- 

 Agates, 49, 134, 236. 

 Alkali, a new one, 309, 310. 

 Alleghany mountains, 60. 

 Alluvial formation, 324. 

 Alveolites, 383. 

 Alumine, pure, 310. 

 American Geological Society, 44?. 

 Amianthus, 55. 

 Analcime, at Deerfield, 134. 



Antigua, silicious petrifactions of, 56— geology of, 141. 

 Apatite, 236. 



Apparatus, improvement on Woolf 's, Sic. 410. 

 Asbestos, 237, 243. 

 Ascleptas lanceolata, 252. 

 Alwaler, (Caleb, Esq.) on prairies, 116--on Ohio, 207— on Belmoiil 



county, 226— .on winds of the west, 276. 

 Augite, 244, 310, 



B. 

 Baldwin, (Dr. William) on Rottbollia, 355 . 

 Barbuda, (island of) its geology, 142. 

 Barrens and Prairies of the West, 116. 

 Barrow''s travels, extract from, 148. 

 Bari/tes, (sulphat of) 63, 237, 240. 

 Basins, peculiar formation of, 213. 

 Battery, (electrical) of Dr. Dana, 292. 

 Beck, (Dr. John B.) on salt storms, 388. 

 Belmont county, Ohio, its geology, &c. 227. 

 Beryl of Haddam, 242. 

 Bigelow, (Prof.) on American climate, 76. 

 Blende, 50. 



Blow-pipe, compound, priority of discovery and use of, 97. 

 Boats, steam, 8. 



Bodies, dead, preservation of, 307, 8. 

 Bones, extraction of gelatine from, 170. 

 Botany, American, 5. 

 J5mce,(Mr. John J.) on cut- worm, 154— on minerals of Litchfield county, 



&c. 350. 

 Breccia of the Potomack. 216. 

 Brest, experiments at, 174. 

 Bridge, natm'al, 66, 319. 



Brongniart on organized remains, 71— his address in Paris, 74- 

 Brown, (Dr. Samuel) 147, 439. 

 Bruce,' (Dr.) 3, 37, 255, 299, 439. 

 Bufo cornuta, 265. 

 Burial ground of the Aborigines, 108. 

 JSwrrs^one of Indiana, 132. 



C. 

 Cabinet of Col. Gibbs, 6— of B. D. Perlcins and Dr. Bruce, 37. 

 Calendar, floral, of United States, 76-^near Philadelphia, 77— of PlaiH, 



field, 255— of Deerfield, 359. 



