406 



INDEX. 



Doondoo, an Australian bird, 196. 



Dove's law of storms, Dr. Hare's correction 

 of an error in his strictures upon, 220. 



Downing, A. J., Treatise on Landscape Gar- 

 dening, 214. 



Draper, J. W., Treatise on the Organization 

 of Plants, 214. 



Drift ice and currents of the North Atlantic, 

 373. 



E. 



Ebelman, M., on boracic ether, 189. 



Edrington, E. G., on an intermittent spring 

 near Pittsburg, Pa., 400. 



Egyptian crania, ancient, observations on, 

 268. 



Ehrenberg's observations on the fossil infu- 

 soria of Virginia and Maryland, 201. 



Electrography, its applications to printing, 



Ellsworth, H. L., Report on Patents noticed, 

 392. 



Emmons, E., his Taconic System noticed, 

 394. 



Quarterly Journal of Agricul 

 ture and Science, 394. 



Erdmann, M., on the atomic weights of mer- 

 cury, copper, and sulphur, 402. 



Ether, boracic, 189. 



butyric, action of ammonia upon, 191. 



Exponential and logarithmic theorems, 36. 



F. 



Faraday, M., speculation on electric con 

 duction and the nature of matter, Dr. 

 Hare's strictures on, 247. 

 Favre, P. A., on the equivalent of zinc, 187, 

 Faye's comet, elements of, 219. 



erroneously so named, 402. 

 Fibrine changed to butyric acid, 186. 

 Fibrohte and Sillimanite, identity of, 176. 

 Figuier, L., on the transformation of fibrine 

 to butyric acid, 186. 



on salts of gold, 192. 

 Fluorine in fossil bones, source of, 99. 



in recent bones, 186. 

 Fossil bones, source of fluorine in, 98. 



composition of, 186. 

 Fossil crocodile, description of the head of, 



265. 

 Fossil footmarks, 62. 



of the Connecticut valley, 

 158. 



in Westmoreland County, 



Pa., 217, 343. 



Fossil infusoria, new localities of, 321. 



Fossil microscopic shells found in marl slate, 



292. 

 Fourcroy and Vauquelin, MM., analysis of 



guano, 60. 

 Francis, W., analysis of guano, 182. 

 J'remy, E., on obtaining osmium and iridium 

 pure, 185. 



on some new alkaline salts, 194. 

 Fusus Trumbulli, a new shell, figured, 285. 



G. 



Galvanography, Von Kobell's researches in, 

 221. 



Gay Lussac, M., analysis of water of the 

 Dead Sea, 12. 



Gibbon, J. H., on the gold of North Caroli- 

 na, 398. 



Girardin, M., analysis of guano, 181. 



Gmelin, Prof., analysis of water of the Dead 

 Sea, 12. 



Gold, new cyanide of, 191. 

 salts of, 192. 

 of North Carolina, 398. 



Gray, A., bibliographical notices, 204. 



Guano, analyses of, 60, 181. 

 fossil infusoria in, 338. 



Gulf Stream, infl.uence of polar ice-currents 

 upon, 381. 



Guy, W., Principles of Forensic Medicine, 

 215. 



H. 



Hall, J., on microscopic shells found in marl 



slate, 292. 



Hare, R., correction of an error in his stric- 

 tures on Dove's law of storms, 220. 



on a recent speculation of Faraday 

 on electrical conduction and the nature of 

 matter, 247. 



Hatfield, R. G., American House Carpenter 

 noticed, 215. 



Hayes, A. A., on the Alabama meteoric iron, 

 147. 



analysis of red oxide of zinc, 

 261. 



Heintz, M., on saccharic acid, 193. 



Helices, their habits, &c., 93. 



Helix Trumbulli, anew shell, described, 280. 



Henry, J., experiments with soap bubbles, 

 215. 



Herrick, E. C, on shooting stars of August, 

 1844, 316. 



Heulandite, its identity with Lincolnite, 64, 

 175, 180. 



Hildreth, S. P., meteorological journal at 

 Marietta, Ohio, for 1844, 287. 



Hitchcock, E., on fossil footmarks, 62. 



on the identity of Lincolnite 

 with Heulandite, 63. 



review of Mr. Owen's mono- 

 graph on Dinornis, 194. 



Hooker, J. D., Botany of the Antarctic Voy- 

 age of the ships Erebus and Terror, 204. 



Hooker, W. J., Species Filicum, 205. 



Hubbard, J. S., elements of southern comet 

 of Dec. 1844, 403. 



Hydrogen and phosphorus, combinations of, 

 184. 



Ice-drift and currents of the north Atlantic, 



373. 

 Ichthyosaurus, analysis of the coprolite of,60. 

 Infusoria, fossil, of Virginia and Maryland, 

 201. 



and recent, new localities 

 of, 321. 

 Intermittent spring, 400. 

 Iridium, method of obtaining it pure, 185. 

 Iron, meteoric, from Alabama, analysis of, 

 145. 



from Cambria, N. Y., notice 

 of, 388. 



salts of, solubility of metals in, 190. 



