INDEX. 
Jones, George, observations in Holland, 
connected with our prairie region, 226. 
L. 
Labradorite, 303. 
Lake Ontario, temperature of, 403. 
Land and sea 'breezes, 65. 
Lethea Geognostica, 204. 
Lexicography, English, contributions to, 
324. 
Library of the Academy of Natural Sci- 
ences of Philadelphia, catalogue of, 
181. 
Locke, John, on anew thermoscopic gal- 
vanometer, 365. 
Loomis, Elias, observations on a hurri- 
cane in Ohio, Oct. 20, 1837, 368. 
Lyell, Charles, address of, at the anniver- 
eee meeting of the Geol. Soc. of Lon- 
on 
Lyell’s Geology, first American edition 
of, 182. 
M. 
Magic, natural, 258. 
Magnetic electrical machine, descrip- 
tion of, 213. 
Magnetism, animal, 184. 
Magnets, 265. 
———— improved mode of construct- 
ing, 200. 
Mammoth, bones of, 201. 
Mantell, Gideon, lecture on zoophytes, 
328. 
Mather, W. W.., protest of, 205. 
Maury, "M. F., deseription of an alembic 
for distilling amalgam of gold, 66. 
McConnell, B. R., notice of a revolving 
electro-magnetic instrument, 188. 
Mease, James, on spontaneous combus- 
tion, 147, 199, 200. 
Medium, resisting, examination of the 
theory of, 1. 
Metals, crystallization of, by galvanic 
influence, 267. 
Meteor at Rochester, N. H., 200. 
brilliant, seen in the day time, 402. 
Meteoric iron in Texas and France, 257. 
—— shower in August, probability 
of the annual occurrence of, 177—fur- 
ther proof of, 354—supplementary facts 
upon, 401. 
Meteoric shower of November, 1837, 379. 
cae showers, number of, in a year, 
Meteorological observations, 348. 
———_——_—_-- sketches, 50, 261. 
Meteors of Aug. 9th and 10th, 1837, and 
of Nov. 12thand 13th, 1832, 133. 
Minerals, oriental, notice of, 249, 
Mineral veins, 93. 
questions relative to, 135. 
411 
Molecular forces, disturbance of, by mag- 
netism, 118. 
Mofse’s electro-magnetic telegraph, 185. 
Mountain slides, phenomena of, 313. 
Multiplier, rotary, 376. 
N. 
Navades, synopsis of the family of, 402. 
Natural History, Boston Journal of, 180. 
magic, 258. 
New York, queries -Yespecting its geol- 
ogy, 124. 
rocks of, 121. 
Nitric acid, action of, on certain metals, 
286. 
ether, process for, 241. 
O. 
Ohio, hurricane in, 368. 
prairies of, 230. 
Olmsted, Prof. D., on the meteoric show- 
er of November, 1337, 379. 
Ontario, Lake, temperature of, 403. 
Organic remains, 103. 
Oriental minerals, notice of, 249. 
P. 
Page, C. G., electro- magnetic apparatus 
and experiments, 190. 
— experiments in electro-mag- 
netism, 118. 
on galvanic and electrical 
apparatus, 376. 
Paradoxides Beckii, 142. 
——_—— Eatoni, 142. 
of Brongniart, remarks on, 
341. 
Physiology, vegetable, 290. 
Plants, fossil, 270. 
Platina, fusion of large masses of, 195. 
Porcelain, English and German, differ- 
ence between, 407. 
Prairie region of the United States, 226. 
Prairies of Ohio, 230. 
Protest of Lieut. Mather, 205. 
Q. 
Queries proposed by the geologists of the 
new survey of the state of New York, 
124. 
Questions relative to mineral veins, 135. 
R. 
Rae, John, on the effect of solar heat in 
raising a balloon, 196. 
Rail-roads and canals in the United 
States, 296. 
Rain, fogs and clouds, 54. 
Redfield, W. C., account of two visits to 
the mountains in Essex County, N.Y., 
with a sketch of the northern sources 
of the Hudson, 301. 
