434 



INDEX. 



Electricity, observations on, Exp. in, 57 

 Electric phenomena produced by whirl- 

 winds and whirlwind storms, 127, 138 

 Electromotors, new property of, 193. 

 Epidemics in Paris, 197. 

 Exchanges in Nat. History, foreign, 212. 



Felspar, new locality of crystallized, 348. 



Fire, means of securing houses and in- 

 habitants from, 290. 



Florida, geolog. observ. on, 162. 



Fluxional ratio, 93. 



Fossil teeth of the Elephant and Masto- 

 don, 256. 



— — wood of Ohio, 104. 



vegetables, 108. 



Fourier, M. Eulogy by, on Marquis de 

 Laplace, 1. 



Freshwater shells of Alabama and Tenn., 

 new species, 338. 



Fur trade and fur bearing animals, 311. 



G. 



Galena, new locality of, 350. 

 Gales of the Am. coast, 114. 



essential character of, 117, 125. 



Galvanic currents caused by caloric, 269. 

 Gazlay, Rev. S., on fossil wood in Ohio, 104. 

 Geology, Contributions to, by Isaac Lea, 



Phila.,413. 

 Discoveries of, as connected with 



the Mosaic history of the creation, 26. 

 -of Alabama, Florida and Geo. ob- 



servations on the, 162 



west of the Rocky mountains, 351. 



Geometry, Young's Elements of, 206. 

 Georgics, prize for translation of, 197. 

 Gibbs, Col. George, obituary of, 214. 

 Goat, Cashmere, 208, 

 Goldfuss on Organic Remains, 430. 

 Goodrich, Mr. Joseph, on volcanoes and 



volcanic phenomena of Hawaii, 199. 

 Gray, Dr. A. on Mineralogy of Jefferson 



and St. Lawrence Cos. N. Y., 346. 

 Green, Prof. Jacob, on new species of 



North Am. Trilobite, 334. 



H. 



Hare, Dr., on construction of De Luc's 

 columns, 136. 



Harmattan, character of, 127. 



Hawaii, volcanoes of, by Mr. Joseph Good- 

 rich, 199. 



Hayes, A. A., analysis of Ledererite, 78. 



Helm wind, 127. 



Hitchcock, Prof, on the meteors of Nov. 

 13th, 1833, 354. 



, Report on the Geol'y. Min'y, 



Bot'y, and Zool'y, of Mass., 426. 



Honey bee, parasite of, 215. 

 Houses, security of from fire, 290. 

 Hurricanes, phases of, 114, 117, 128. 



whirlwind, character of, 117. 



Hypersthene, 350. 



Internal improvement of Penn., 84. 



Iron as protecting copper from the action 



of sea water, 203. 

 granular micaceous oxide of, 350, 



— ore, octahedral, 350. 



— pyrites, plumose, 350. 



— red oxide of, 350. 



Jackson, Dr., on Ledererite, from Nova 

 Scotia, new species, 78. 



Jameson, Prof, on Mosaic and Min. Ge- 

 ology, 26. 



Johnson, Prof. W. R., on electrical expe- 

 riments, 57. 



K. 



Kupffer's magnetic experiments, 194. 



L. 



Lalande's Medals, 190. 



Laplace, M. Fourier's Eulogy on Mar- 

 quis de, 1. 



Latreille, obituary of, 431. 



Ledererite, new species — analysis and de- 

 scription of, 78. 



Lenticular carb. of Lime, 346. 



Linna2us, life of, 151. 



Lord, Eleazar, on architectural, rural, do- 

 mestic and other improvements, 304. 



M. 



Magnetic oxide of iron, 212. 



Magnetism as affected by heat and cold, 

 194. 



Maistre,Count Xavia de, on Water Spouts, 

 47. 



Marietta, Ohio, observations on, 217. 



Meade, Dr. Wm., obituary of, 215. 



Mease, Dr. James, on the Agave and other 

 plants, for cordage, 330. 



Memoirs of Am. Academy of Arts and Sci- 

 ences, 426. 



Meridian, formula for establishing a true, 

 261. 



Meteorological journal at Savannah, from 

 June 1st, 1832, to June 1st, 1833, 211. 



Meteorology west of the Rocky Moun- 

 tains, 351. 



summary of leading facts in, 



122. 



