INDEX. 
Hydruret of sulphur, 351. | 
1. 
Icebergs in South Seas, 200. 
Ilieine, use of, in intermittent fevers, 
Tolite, locality of, 391 
Iron ores in Massachusetts, 50. 
Iron, protection of, from rust, 382. 
statistics of, 179. 
J. 
349. 
Jackson, Mr., on the mineralogy and 
geology of Nova Scotia, 167. 
Jenkins, J. J., meteorological observations 
at Monmouth, N. J., 394. 
Johuson, Prof. W. R., on the steam pyro- 
meter, 96. 
Jones, Dr., protection of steam boats fiom 
. lightning, 106. 
L. 
Lamp—a new one, 387. 
Lapham, Messrs., on the boulders of Ohio, 
300. 
Lea, Mr., on Naiades, 169. 
Lead, chemical composition of the brown 
ore of, by C. U. Shepard 307. 
Lead mines in Massachusetts, 56. 
Leghorn hats, materials for, 363. 
Lichen Islandicus, a size for cotton and 
linen weaving, 366. 
Light, polarization of, Dr. Brewster on, 
277. 
chemical agency of, 352. 
Limestone, 24. 
Lime, sulphate of, fertilizing properties 
of, 350. 
Logarithmic tables, Hassler’s, correction 
of, 181. 
M. 
Magnetism, conversion of into electricity, 
386. 
earth’s, disturbance of, and| 
aurora borealis, 143. 
influence of heat on, 361. 
J. Hamilton on, 183. 
Malaria of Campagna di Roma, 336. 
Manganese, 61. 
Marble, 28. 
Marl of New Jersey, Dr. Morton on, 90. 
Massachusetts, report on the geology of, 
by Prof. Hitchcock, 1. 
Mathematical papers by E. Wright, Esq. 
7A, 
Meade, Dr., on artificial preparations o 
cold medicinal waters, 126, 330. 
Mease, Dr., on descents in diving bells, 
327. 
Mechanics, experiment in, 362. 
419 
Medicinal waters, artificial preparation 
of, by Dr. Meade, 126, 330. 
Memoir of Dr. Thomas Young, 232. 
Mental aberration connected with civili- 
zation, 379. 
Meteorological journal, 1831, New Bed- 
ford, Mass. 188. 
observations, Fayetteville, 
Vt., 1831—2, 298. 
——————- Marietta, 
Ohio, 109. 
N= J.; 394. 
Miller, Mr. E., on tracing oval arches 
from several ceritres, 303. 
Mineralogy of Nova Scotia, 167. 
treatise on, by C, U. Shepard, 
Monmouth, 
395. 
Moon, singular appearance of, 375. 
Morton, Dr., on marl of New Jersey, 90. 
Muse, Dr. J. E., om Hessian fly, 71. 
————— vindication of previous 
paper, 155. 
N. 
Naiades, Mr. Lea on, 169. 
Necrology.—Frederick Philip Wilmseg, 
380. 
Edward Thomas, 380. 
New Bedford, meteorological journal at, 
1831, 188. 
New York state University, report of the 
regents of, 415. 
Nomenclature, chemical, of Berzelius, 
248. 
Non-vaporization of liquids falling on in- 
candescent substances, 365. 
Nova Scotia, mineralogy and geology of, 
by Messrs. Jackson and Alger, 167. 
Nutriment of gelatine, 197. 
Nuttall, Thomas, ornithology of the Uni- 
ted States and Canada, 178. 
O. 
Obesity, 194. 
Odoriferous emanations, 368. 
Officers of the Academy of Natural Sci- 
ences of Philadelphia, 183. 
Ohio, boulders of, 300. 
—-Historical and Philosophical Society 
of, 181. 
Ornithology of the United States and Can- 
ada, by Thos. Nuttall, 178. 
Oval arches, tracing of, by E. Miller, 303. 
E: 
Peat, 38. 
Pelokonite, a new mineral, 387. 
Perspiration in cholera morbus, 366. 
Plant furnishing good water, 382. 
