INDEX TO VOLUME XLIXxX. 
A 
Academy of Natural Sciences of Philadel- 
phia, Proceedings of, naticed, 183. 
Acari, production of, 227. 
Allotropism of chlorine, 346. 
aval mountains, geological constitution of, 
Aluminum, compact, 390. 
American Geologists and Naturalists, Asso- 
ciation of, sixth meeting, 219. 
Ammonia, carbonate of, its combinations 
with magnesia and zinc, 200. 
decomposition of salts of, 392. 
Amphianthus pusillus, a new plant, 127. 
Analysis of copper and silver from Kewenaw}| 
Point, Lake Superior, 91. 
of bituminous Coals, 169. 
of the blood, 201. 
of nitroline, 204, 
of alloys of tin and antimony, 206. 
of meteoric iron, 343. 
of hydraulic cements, 383. 
of Vhomaite, 393. 
of Sillimanite, 396. 
of the ‘Tagua nut, 400. 
Anastatie printing, method of, 401. 
Antimony, gray, at Lyme, N. H., 228: 
Apparatus, new philosophical, 20. 
B. 
Bache, A. D., his improvements in the Coast 
Survey noticed, 229. 
Barometer, observations of, at Hudson, Ohio,| 
266. 
new self-registering, 400. 
Barreswil, M., on the decomposition of ben- 
zoic acid and hydruret of benzoile, 194. 
Batrachian footmarks, new species of, 79. 
Benzoic acid and hydruret of benzoile, de- 
composition of, 194. 
Berzelius, J. J., on the oxide of phosphorus, 
193. 
letter of Dr. Hare to, om chemical!) 
nomenclature, 249. 
Bile, test for, 206. 
Bingham, H., on the fall of meteorites in the 
Sandwich Islands, 407, 
Bird, gigantic, sculpture of, 403. 
Bischof, G., on the origin of quartz and me- 
talliferous veins, 396. 
Blood, new method of analyzing, 201. 
Blume, Prof., on the substitution of the leaves 
of the coffee tree for tea, 401. 
Blyth, J., on the decomposition of narco- 
tine, 206. 
Bones taken from guano, change in, 391. 
Bonomi, Mr., on the ancient sculpture of a 
gigantic bird, 403. 
Botta, Mons., discoveries amongst the ruins 
of Nineveh, 116. 
Boudault, M., on the decomposition of ben- 
zoic acid and hydruret of benzoile, 194. 
Boussingault’s Rural Economy noticed, 182. 
Bouvé, 'T. T., review of Dr. Jackson’s Final 
Report on the Geology and Mineralogy of 
New Hampshire, 27. 
Bromine, occurrence of in Ohio, 211. 
Bryson, R., new self-registering barometer, 
400, 
Butter, volatile acids of, 202. 
C. 
Cappezuoli, Dr., on the detection of sugar in 
diabetic urine, 200. 
Carbonic acid, new instrument for the solid- 
ification of, 206. 
Caricography, 42. 
Cassin, J., description of anew Vulture, 186, 
Cathartes Burrovianus, 186. 
Cements, hydraulic, anlyses of, 333. 
Charcoal, animal, action of, 393. 
Chevalier, M., analysis of the alloys of tin 
and antimony, 206. 
Chlorine, allotropism of, 346, 
and hydrogen, relations of, 355. 
ie observations of, at Hudson, Ohio, 
281. 
at Nantucket, Mass., 406. 
Coals, heating power of, 166. 
American, Prof. Johnson’s Report on, 
reviewed, 310. 
Coast Survey of the United States, 229. 
Coffee tree, leaves of, a substitute for tea, 
401, 
Coloring substances in wine, test for, 198. 
Columbite, composition of, 228. 
Comets of 1845, 220. 
Conant, M., description of the Solar Index, 
Ol. 
Connel, A., on the Tagua nut, 409. 
Copper mines of Lake Superior, 64. 
and silver of Kewenaw Point, Lake 
Superior, 81. 
atomic weight of, 203. 
Currents of the ocean, their influence in the 
transport of rocks, 1. 
transporting power of, 2. 
of the atmosphere, 6. 
electric, in the nerves, denied, 387. 
D. 
Dana, J. D., on the minerals of trap and the 
allied rocks, 49. 
Paes hygrometer, objections to confuted, 
277. 
Deane, J., on anew species of Batrachian 
footmarks, 79. 
on fossil footmarks and rain-drops, 
* 
213. 
De wie Prodromus, Vol. IX, noticed, 
174. 
Theorie Elementaire de la Bo- 
tanique, noticed, 175. 
Delessert, B., botanical museum of, 171. 
Deville, M., on guiac resin, 194. 
