i by 3 by Prof. ven. 
aay On Gutta Percha ge Epwanxp N. Ken 
- On Rigrala’ N ickel from Texas, “pore Couny, Pa. : ; 
by Prof. B. Siruman, Jr., - 
L new Minerals from Texné: Lesoudee ie Pénn. ; ; 
s Upuam SHEPARD, 
XXVII. Aa Account of a greedy of Castine. Maine, May * 
‘1848 ; by Cuartes Urnam Suzparp, M_.D., 
wane eS SQPENTIFIC INTELLIGENCE. 
onductor of Galvan nism : Grove’s Battery 
up, 253.—Oxyd 
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ie: 
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id 
Ba! 
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= 
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: inp inc, 
sie in the iirend by Pig of the Eye, by M. 
nt of Gun-cotton in Mining, b 
Chilsteform Pt . Hurarer and Laroc 
drated Ox Zine 
measuring the Intensity of Currents, by M. Ng ENe: On certain properties 
of Iodine, Phosphorus, Nitric Acid, &c., by M. Niece pE Saint Victor, 258. 
can Journal of =“ 1848, p. 74, by T. S. Hunt, 259.—Purifying Li 
aaa Dec 44 Slend of Substances by Steam, and Manufactur 
phate and Muriate of Potash, 260. 
Mineralogy os pnd 58 Silpsi tet 266.—Ba Mia, ite; a-new mineral fom 
the Tek, t y M. pre Kos Pseudom orphism , 267.—O On Dolomisat 
y A. von Monior, 268.— Three Witsrals from the Lake Su ara! aa Re- 
‘gion, by she poe hideie 269.—Mines of Cinuabar in Pye Califora, 
% Argentiferous Galena and Iron Ore in Algeria, ; 
— Footprinss, by. Dexter Marsn, 272.—Gold in mer Ca ebnerite 
Ae Produce of Gold in the Ural and Eiarts in ¥ the year 
1846, 27 j 
Zoology.—Pancreatic secretion, 276. ee Se 277. , 4 
Astronomy.—Neptune, by Sear n, 277.—The tenth Asteroid, Diana: 
Shooting Stare se ed 10, ie, a8. —-Bicsoting Stars of August 10, 1848, 279, 
Miscellaneous Intelligence —California, 280.—Verbal Communication from Dr. 
lg on the Rationale of the Explosion causing th a Fire of 1845, at New 
k, 28 - 
aterial, 285.—Types, 287.—Bullets : Anette of the 
different Grains produced in the United States in 1847 : Smithsonian Institu- 
tion, —Tenacity of Life in Black Ants, by Dexter Mar inet 
ad Observatory at A rst College, Mas mine from the Bittern of Salt 
orks, by Messrs 1s ILLESPIE, 293. us: American Associa- 
tion for the Promotion of Science, 294.—Table of the periods when the Hudson 4 
River opened and closed at Albany, so vad as the same can now be ascertained, 
95.— “* and Cold of Utica: Atmidoscope: Magnetic Perturbations, 296.-— a | 
Gold Medal of the Royal sho Mes abe Soctety of London: Beavers, by D. D. i 
Prrares: F. Markoe’s Mineralogical Cab .. Meteorite of Arkansas, aw 
a of J. Richa ‘aon. 297. 
