402 



INDEX. 



Definitions, 28, 266. 



Del Rio, A., observations of, on Professor 



Shepard's Reply in Vol. 27, 384. 

 Dewey, Prof. C, on Cartography, 59. 

 Douglas, Mr. David, death of, 196. 

 Dreelite, a new mineral, analysis of, 3S0. 

 Dry rot, cause of, 182. 

 Dynamic phenomena, causes of, 181. 



E. 



Earthquakes and rising of the coast of 



Chili, in Nov. 1822, 110. 

 Electricity, atmospheric, 376. 

 Elements of Botany, by A. Gray, M. D., 



notice of, 399. 



Elliptical motion, variation of arbitrary 

 constants in, 248. 



Emmons, Prof., notice of a scientific ex- 

 pedition to Nova Scotia, 330. 



Expansion of solids, instrument for meas- 

 uring, 324. 



Eyes of flies reddened by nitric acid, 196. 



F. 



Filtration of water for domestic use, 172. 



Fishes, fossil, 33. 



Flies, eyes of, reddened by nitric acid, 196. 



Fluids, resistance of, 164, 359. 



Foot, Dr. Lyman, on Indian summers, 9. 



Fossil fishes, Agassiz' work on, 33. 



trees in Nova Scotia, 339. 



wax, 185. 



Founderies of iron in Russia, improve- 

 ments in, 181. 

 Freezing mixture, 168. 



Geology, and Genesis i., remarks on Prof. 

 Stuart's exposition of, 114. 



and mineralogy, new publica- 



tions in, 199. 

 Glass, vibration of, producing movements 



on the surface of water, 192. 

 Glauber salts for tightening oil casks, 173. 

 Gray, Dr. A., Elements of Botany, 399. 

 Gray Sulphur Springs, Va., analysis of the 



water of, 100. 

 Greenland, subsidence of the coast of, 379. 



H. 



Halley's comet, observations on, by Mr. 

 E. Lrjorais, 209. 



Harlan's Medical and Physical Research- 

 es, 188. 



Heater, 168. 



Heat, influence of color, on the radiation 



of, 16. 

 Hemitrope crystals of calc spar, 347. 

 Heulandite, 346, 348. 

 Hildreth, Dr. S. P., foreign notice of hia 



paper in Vol. xxix. on the coal forma-* 



tions of the West, 399. 

 meteorological jour- 

 nal and observations at Marietta, Ohio, 

 56. 



on the Lias of the 



G. 



Galleries, subterranean, locust wood used 

 in, 182. 



Gas, issue of, on boring into a coal mine, 

 184. 



Gas light from peat, 189. 



Gastric juice, analysis of, 378. 



Geological and mineralogical notice of No- 

 va Scotia, 330. 



features of Ohio, remarks on, 



394. 



Journal, London, No. I. 382. 



notice of the region around Fort 



Winnebago, by Lieut. Ruggles, 1. 



report of Maryland, 393. 



Dr.Troost's, of Tennes- 



see, 391. 



— Soc, London, Wollaston medal 



of, to M. Agassiz, 382. 



specimens and surveys in the 



United States, notes on, 203. 



surveys in the United States, 



notice of, 393. 



Geology, Comstock's outlines of, second 

 edition, 400. 



West, 395. 

 Hood for smoky chimnies, 170. 

 Hydrachna, two American species of, 355< 



Hydrogen, a new carburetted, 180. 



I. 



Impressions of the feet of mammalia in 



sandstone, 191. 

 Indian summers. Dr. Foot on, 9. 

 Ink, recipe for, 169. 

 Insects, circulation in, 186. 

 Iron, bronzing of, 173. 



cement, 171. 



founderies of Russia, improvements 



in, 181. 



in the lava of Mount Etna, 186. 



silvering of, 169. 



to purify cold short, 173. 



J. 



Jackson, C. T., on the collection ef geolo- 

 gical specimens, and on geological sur- 

 veys, 203. 



Johnston, Prof., notice of a large crystal 

 of Columbite, 387. 



Journal, London Geological, 382. 



Joy, Capt., on the rising of the sea coast 

 of Chili in Nov. 1822, 113. 



K. 



K., remarks of, on Prof. Stuart's exami- 

 nation of Gen. i., 114. 

 Keely, Prof. G. W., on the resistance of 



fluids, 164. 



