A10 
Dewey, C., on caricography, 42. 
Diabetes, cause of, 202. 
Diabetic urine, how to detect sugar in, 200. 
MEMO: O., on the composition of fungi, 
Dorudon, a new fossil animal, 216. 
Draper, J. W., on the allotropism of chlo- 
rine, 346. 
Drayton, Mr., method of silvering glass, 198. 
Drilt of the United States, theories of, 1. 
phenomena of, 29. 
singular, in Berkshire Co., Mass., 258. 
Dupasquier, A., on phosphorus, 197. 
on the blue color of gold 
leaf, viewed by transmitted light, 391. 
E 
Ebelman, M., on silicic ether, 192. 
Purenberg, M., investigations of infusoria, 
97. 
Electric currents in the nerves denied, 387. 
sound, 390. 
Electricity, statical, generation of, 93. 
animal, 388. 
Electro-magnetic engine, new, 131. 
Electro-precipitated metals, structure of, 390, 
Enamelling of cast iron vessels, 400. 
Erdmann, M., on the atomic weights of cop- 
per, mercury and sulphur, 203. 
Ether, silicic, 192. 
a chrysocome, or penguin, habits of, 
Exploring Expedition, U. S., Capt. Wilkes’s 
Narrative of, reviewed, 149. 
F. 
Faraday, M., memoir on the Liquefaction 
and Solidification of Gases, noticed, 373. 
on anastatic printing, 401. 
Favre, M., on the combination of carbonate 
of ammonia with magnesia and zine, 200. 
Faye, M., elements of second comet of 1845, 
220. 
Feldspar, aventurine, 394. 
Figuier, L., new method of analyzing the 
blood, 201. 
Footmarks, Batrachian, new species of, 79. 
and rain-drops, fossil, 213. 
fossil, in Pennsylvania, 216. 
Forshey, C.G., on artificial mounds in Lou- 
isiana, 38. 
Fossil remains from Algoa Bay, 213. 
Fownes, G., Manual of Elementary Chem- 
istry, noticed, 379. 
Fremy, E., on the compounds of osmium, 
199. 
Fungi, composition of, 393. 
G. 
Galvanometer, axial, 136. 
Geology, physical, of the United States, 1, 
284, 
Gibbes, R. W., on Dorudon, a new fossil an- 
imal, 216. 
Gibbs, O. W., Dissertation on Chemical! 
Classification, noticed, 384. 
Glass, method of silvering, 198, 398. 
Gold leaf, the blue color of, viewed by trans- 
mitted light, 391. 
Gray, A., bibliographical notices, 171. 
Botanical Text Book, noticed, 189. 
Guano, xanthic oxide in, 200. 
INDEX. 
Guiac resin, a volatile oil obtained from, 194. 
Gunpowder, Capt. Mordecai’s Report of Ex- 
__ periments on, noticed, 180. 
H. 
Halos, theory of, 73. 
Hare, R., letter to Berzelius on chemical no- 
menclature, 249. 
Henry, J., on the heat of solar spots, 405. 
Hermann, M., on the decay and mouldering 
of wood, 204. 
Hitchcock, E., on some phenomena of drift 
in Berkshire Co., Mass., 258. 
Hosford, E. N., on a new instrument for the 
solidification of carbonic acid, 206. 
Hough, F. B., ona burning well in Ohio, 406. 
Humboldt, A., on the mean height of conti- 
nents above the sea, 397. 
Humphreys, H., on the saltness of the ocean, 
ane the effects of light on turbid waters, 
Hygrometer, observations of, at Hudson, 
Ohio, 271. ; 
ed, 277. 
Daniell’s, objections to answer- 
1. 
Icebergs of the Antarctic seas, 150. 
Index, Solar, a new magnetical instrument, 
described, 301. ie 2 
Infusoria, Prof. Ehrenberg on, 397. 
Iodine, fluoride of, 205. 
occurs in Ohio, 211. 
Tron ore in Bartlett and Lisbon, N. H., 33. 
deoxidation of the salts of the peroxide 
of, 203, 
meteoric, in Tennessee and Alabama, 
336. 
in soils, state of, 394. 
vessels, enamelled, 400. 
de in 
Jackson, C. T., Final Report on the Geology 
and Mineralogy of New Hampshire, re- 
viewed, 27. 
on the copper and silver of Ke- 
wenaw Point, Lake Superior, 81. 
Jacob, M., on tests for coloring substances 
in wine, 198. 
Johnson, W. R., on the heating power o 
various coals, 166, 
Report on American Coals, 
reviewed, 310. 
Jones, H. B., on the decomposition of salts 
of ammonia, 392. 
K. 
Kenawha gas, 209. 
Kendall, E. O., observations on the transit 
of Mercury, May 8, 1845, 149. 
elements of third comet of 
1845, 221. 
Kewenaw Point, Lake Superior, copper and 
silver of, 84. ‘ 
King, A. T., on fossil footprints, 216. 
Kinie acid, detection of, 391. 
Kobell, Prof. von, on the characters of Spa- 
daite, 394. i 
Koch, A. C., discovery of the Zyglodon in 
Alabama, 218. : 
Ixraft, C. E., new instrument for the solidi- 
fication of carbonic acid, 206. 
Kunker, a tufaceous deposit in India, 398. 
