426 



INDEX. 



Crustaceous animal, new, Argulus Ca- 



tostomi, 297. 

 Crystals, arlificial, by A. Crosse, 374. 

 Cuyahoga, tour to the falls of, 1. 

 rock strata of, 47. 



D. 



Dana, J. D., new work on Mineralogy, 

 413. 



, and E. C. Herrick, descrip- 

 tion of the Argulus Catostomi, 297. 



Decrepitation, cause of, 162. 



Definitions, 88, 236. 



Degree of the Terrestrial Meridian, 

 length of, 222. 



of a Parallel of Latitude, 235. 



Delaware sulphur springs, Ohio, 73. 



Delos, Greece, titanium, iron, 175. 



Dewey, Prof C, conduction of water 

 266. 



Deweylite, analysis of, 173. 



Dilatation of liquid carbonic acid, 402. 



Diophantine problems, solution of, 166 



Dispensatory of the United States, 406 



Donium, new metal, 163. 



Ducks, tongues of in China, 193. 



E. 



Earth, radius of, 234. 



, oblateness and axes of, 229. 



Electrical shocks, method of increasing, 

 137. 



Electricity by contact, 159. 



, effects of, on vegetation, 160. 



Elevation of the banks of the Mississip- 

 pi, 294. 



. mountain ranges, 290. 



Emmonite, new mineral, 171. 



Emys Oregonien.sis, description of, 382. 



Encrinite, from Schoharie, N. Y., 165. 



Ether, sulphurous, 275. 



Etna, Mt., origin of, 168. 



Eupleres, a new animal, 192. 



Exchanges of objects in natural history, 

 405. 



Exchanges in Conchology, 413. 



Excursions to Cairo, Jerusalem, &c. by 

 G. Jones, 412. 



P. 



Falls of the Cuyahoga, tour to, 1. 



, rock strata of, 47 



Falling stars in Russia, 189. 



Feldspar from Bytown, Lower Canada, 



173. 

 Ferns, fossil arborescent, 30. 

 Ferruginous deposits, 61, 75. 

 Feuchtwanger, manufacture of vinegar 



272. 

 Fluids, resistance of, 111. 

 Fossil Ovis, 80, Fossil Chiton, 82. 

 plants at Mariner's Mill, 28. 



Fossil vertebrated animals in the crag of 

 Norfolk, 339. 

 — animal, new, Sivatherium, 176. 



G. 



Gales and Hurricanes of the western 



Atlantic, 115. 

 Galvanic experiments, substitute for frogs 



in, 292. 

 Geographical position of Memphis, 373. 

 Geological map of Devon, 354. 

 Geology of the falls of Cuyahoga, 47. 

 , work by Rev Wm. Buckland, 



349. 



419. 



■ of slate rocks of Devonshire, 



■ of western New York, 241. 

 Gold mines of Virginia, 413. 



Gray, Dr. A., impregnation of plants, 

 308. 



H.' 



Hail, 97. 



Halley's Comet, tails of, 142, 324. 

 Hare, Prof R., action of sulphurous acid 

 on essential oils, 281. 



, Sassarubrin, 285. 



sulphurous ether and sul- 



phate of etherine, 275. 

 Harlan, Dr. R., new species of Roden- 

 tia, 385. 



Emys, 



382. 



orbicular lizards, 383. 



Hayes, G. E., Geology of western New 



York, 241. 

 Heckewelder, Rev. J., account of, 66. 

 Herrick, E. C, and J. D. Dana, Argulus 



Catostomi, a new species of crustace- 

 • ous animal, 297. 

 Hessler, chemical action of the solar 



spectrum, 160. 

 Holmesite, analysis of, 172. 

 Hot blast in the manufacture of cast 



iron, 180. 

 Hurricane of Shelbyville, fenn., 252. 

 Hurricanes of the western Atlantic, 115. 



Iceland, visit to, by Eugene Robert, 167. 

 Indian sepulchre, ancient, 8. 



attacks on Wheeling, 3. 



corn, sugar from, 163. 



Jackson, C. T., mineral waters of the 

 Azores, 94. 



Jolly, Henry, account of, 10. 



Jones, Rev. G,, excursions to Cairo, Je^ 

 rusalem, &c., 412. 



Joslin, B. F., on the tails of Halley's com- 

 et, 142, 324. 



