INDEX TO VOLUME XXIX. 



Acid, prussic, apparatus for obtaining, 

 244. 



Agassiz's " Researches on fossil fish," 

 363. 



Alum shale of England, plesiosaurus in. 

 364. 



Americas, Rafinesque's history of, 394. 



Ammelid, 373. 



Ammeline, 373. 



Analysis of commercial potash, 266. 



— deutarseniuret of nickel, 241. 



the water of the " white Sul- 

 phur," 95. 



Andes, ancient race of men in, 358. 



Animal bodies, new mode of preserving, 

 359. 



Argillaceous iron ore in Ohio and Ken- 

 tucky, 126, 129, 134, 135, 137, 139. 



Asbestos, fibrous blue, from South Afri- 

 ca, 233. 



Assay of ores of manganese, 374. 



Aurora borealis, 348, 388. 



B. 



Bache, Prof A. D., on meteors of Nov. 

 13, 1834, 383. 



Baltic, gradual rising of countriesaround 

 the, 363. 



Beck, Prof. L. C, on Commercial Pot- 

 ash of the State of New York, 260. 



Belemniles, found in certain strata, 351. 



Berzelius, Prof, on rising of land around 

 the Baltic, 363. 



Birds, American, 291. 



in Fulton Market, New York, 293. 



remains in strata of Tilgate for- 

 est, 362. 



• tracks in new red sandstone, Mass. 



307. 



Bituminous coal deposits in Ohio, 1, 39 

 50, 123. 



in Pennsylva- 

 nia, 64, 68, 77, 147. 



Blake, Eli W., on the theory of the re- 

 sistance of fluids, 274. 



Booth, Jas. C, on deutarseniuret of nick- 

 el of Riechelsdorf, Hessia, 241. 



Botanical specimens wanted, 393. 



Botany, new works on, 167. 



Breccia, calcareous, 43. 



British Association, Proceedings of the 

 fifth meeting, 347, 366. 



Vol. XXIX.— No. 2. 



British Association, Reportof the fourth 



meeting, 355. 

 Browne, D. J., physical observations on 



board ship Erie, between New York 



and Rio Janeiro, 237. 

 Burrh millstone deposit in Ohio, 142. 



C. 



Cabinet of minerals. Baron Lederer's, 

 for sale, 392. 



Cannel coal in Ohio, 39. 



Caricography, Prof Dewey on, 245. 



Carson, Alan W., on currents in water, 

 340. 



Cast iron, hot blast in production of, 356. 



Champion, Rev. George, on topography, 

 scenery, and geology of the region 

 around Cape of Good Hope, 230. 



Chemistry, new works on, 167. 



Chlorine and hydrogen, explosive reac- 

 tion of, in solar rays, 243. 



Chronomeiers of Parkinson & Frod- 

 stiam, 297. 



Climate of the valley of the Kenawha, 

 89. 



Coal, cannel, in Ohio, 39. 



Coal deposits, bituminous, in the valley 

 of Ohio, 1, 123. 



, in Meig's co. 



Ohio, 50. 

 Coal deposits on Monongahela river, 64. 



of Pennsylvania, 77. 



of Pittsburgh, 68. 



- at the salines of Kenawha, 



104. 



at Wheeling, 80. 



Coal measures in Kentucky, 140. 

 in Tennessee, 141. 



Coal plants, 105. 

 Coal, use of, in steam engines, 351. 

 Coins and medals, 156. 

 Color of the ocean, 240. 

 sky, 239. 



Comet, Halley's, observed at Yale Col- 

 lege, 155. 

 Conrad's new work on Naiades, 391. 

 Copperas, manufacture of, 126. 

 Copper ores, roasting of, 374. 

 Currents in water, 340. v 



D. 



Day, Mr. Henry N., on a new mode of 

 preserving animal bodies, by petrifac- 

 tion, 3.59. 



51 



