INDEX. 
L. 
ge A a ae M. C., on several new plants, 
126. ’ 
Leeson, H. B., on the fluoride of iodine, 205. 
Leibnitz, Mackie’s Life of, noticed, 187. 
Leonhard, G., Handwérterbuch der Topo- 
graphischen Mineralogie, noticed, 188. 
Lewis, J. A., on the Kenawha gas, 209. 
Lewy, B., on Maynas resin, 194. 
Fek J. U., on the volatile acids of butter, 
202. 
Light, inflection and interference of, appa- 
ratus for experiments on, 26. 
effects of on turbid waters, 208. 
Lime, phosphuret of, 193. 
Lithographic stones, 401. 
Loomis, E., meteorological observations at 
Hudson, Ohio, 266. 
supplement to, 406. 
Lyell, C., Travels in North America, re- 
viewed, 368. 
M 
Mackie, J. M., life of Leibnitz, noticed, 187. 
Magnesia and ammonia, carbonate of, 200. 
Malacrone, characters of, 394. 
Mantell, G. A., Tract on the Geological 
Structure of the country seen from Leith 
Hill, noticed, 191. 
Marchand, E., method of obtaining nitrogen 
gas, 195, 
on the atomic weights of cop- 
per, mercury and sulphur, 203. 
Marsh, R., meteorological register at Steu- 
benville, Ohio, for 1844, 212. 
Mather, W. W., on the physical geology of 
the United States, 1, 284. 
on the occurrence of bromine 
and iodine in Ohio, 211. 
Matteucci, M., on the hypothesis of electric 
currents in the nerves, 337. 
on animal electricity, 388. 
Mayer, M., on the characters of Thomaite, 
393. 
Maynas resin, 194. 
Mercury, atomic weight of, 203. 
Mercury, transit of, May 8, 1845, 142. 
Du Merril, M., mixture of pure carbonates 
of potash and soda, 195. 
Metals, electro-precipitated, structure of,390. 
Meteor, remarkable, at Fayetteville, N. C., 
407. 
Meteoric iron in Tennessee and Alabama, 
336. 
i fall of in the Sandwich Islands, 
407. 
Meteorological register at Steubenville, Ohio, 
for 1844, 212. 
observations at Hudson, Ohio, 
266. 
supplement to, 406. 
Mialhe, L., on the cause of diabetes, 202. 
Minerals of trap and the allied rocks, 49. 
Mitchell, Miss M., meteorological observa- 
tions at Nantucket, Mass., 406. 
Moa, bones of, 219. 
Mordecai, A., Report of Experiments on Gun- 
powder, noticed, 180. 
Mortars, Lieut. Wright’s Treatise on, noti- 
ced, 379. 
Mounds, artificial, in Louisiana, 38. 
AIL 
N. 
Narcotine, decomposition of, 205, 206. 
Nemostyles ccelestina, 130. 
gemmiflora, 131. 
Nerves, electric currents in, denied, 387. 
Newbold, Capt., on the Kunker, a tufaceous 
deposit in India, 398. 
Nineveh, ruins of, 113. 
Nitrogen gas, easy mode of obtaining, 195. 
Nitroline, analysis of, 204. 
Nomenclature, chemical, Dr. Hare on, 249. 
O. 
Olmsted, D., report of observations on the 
transit of Mercury, May 8, 1845, 142. 
Opianice acid, 205. 
Osmium and its compounds, 199. 
Owen’s Illustrated Catalogue, noticed, 190. 
Ozone, properties of, 195. 
Ps 
Page, C. G., new electro-magnetic engine, 
131. 
on axial galvanometer, 136. 
on double axial reciprocating en- 
gine, 139. 
Parhelion, singular case of, 73. 
Parietin, properties of, 195. 
pee B., elements of third comet of 1845, 
221; 
Pelletier, M., on guiac resin, 194. 
Penguins, habits of, 151. 
Pettenkoffer, M., test for bile, 206. 
Phillips, R., on the state of iron in soils, 394. 
Phosphorus, oxide of, 193. 
impurities of, 197. 
Pirira, M., on salicine, 392. 
Plants, description of several new, 126. 
Plessy, M., on the hydrosulphite of soda, 200. 
Plumbago formed by pressure, 227. 
Polyerase, characters of, 394. 
Postage in England, 228. 
Potash, preparation of carbonate of, free 
from silica, 195, 
and soda, mixture of pure carbo- 
nates of, 195. 
Potassium, deoxidation of the ferrideyanide 
of, 203. 
Printing, anastatic, 401. 
Q. 
|Quartz, origin of, 396. 
R. 
Railroads, atmospheric, 228. 
Rain, observations of, at Hudson, Ohio, 282. 
Rain-drops, fossil, in Connecticut valley, 213. 
Rains, G. W., on the generation of statical 
electricity, 93. ; 
Regents of the University of New York, 
58th annual report, noticed, 176. 
Resin, guiac, 194. 
Maynas, 194. 
Review of Dr. Jackson’s Final Report on 
the Geology and Mineralogy of New 
Hampshire, 27. 
of Capt. Wilkes’s Narrative of U.S. 
Exploring Expedition, 149. 
of Prof. Johnson’s Report on Amer- 
ican Coals, 310. 
of Mr. Lyell’s Travels in North 
America, 368. 
' 
