iv CONTENTS. 
MISCELLANIES.—DOMESTIC AND FOREIGN. 
Page. 
1. Proceedings of the American Philosophical Society, ~ 153 
2. Proceedings of the Boston Society of Natural History, - 193 
3. Reports on the Shells and Minerals presented by Dr. Brinek- 
erhoff to the New York Lyceum of Natural History, - 198 
4. Further account of the Shooting Stars of Aug. 9 and 10, 1839, 203 
5, 6. British Antarctic Expedition—Compound Electro-Magnet, 204 
7, 8. Exchanges of American Shells and Insects—The poaitsd 
Magazine and Steam Navigation Journal, 
9, 10. To remove Carbonic Acid Gas from pte es. The 
Katakekaumene, - - - . - 206 
NUMBER II. 
Art. I. Contributions to Electricity and Magnetism. On Elec- 
tro-Dynamic Induction ; by Prof. Josrrpu Henry, 
Analysis of a Chromic Iron Ore, first observed by R. 
C. Taylor, Esq., at Mahobal, near Gibara, Island of 
Cuba; by James C. Boor and M. Carry Lea, - 
. Remarks upon some of the probable effects of a Re- 
sisting Medium; by Prof. Tuomas H. Perry, 246 
Description and Analysis of a Meteoric mass, found in 
Tennessee, composed of Metallic Iron, Graphite, Hy- 
droxide of Ironand Pyrites; by Prof. G. Troost, M. D., 250 
Notice of Tracks of Animals in Variegated Sandstone 
at Pélzig, between Ronneburg and Seana ss 
Hr. Dr. B. Corra, 
. Observations on the hs ae Borealis of Sept. = 1839; 
communicated by Epwarp C. Herrick, 
. Abstracts of Meteorological Observations mkthc at St. 
Johns, NewfoundJand, and at Canton, in China: with 
some Notice of the Half Yearly Inequalities of At- 
mospheric re which appear in these Obser- 
vations ; by C. Reprievp, - 
VIII. Abstract of a Meteorological Journal for the year 1839, 
kept at Marietta, Ohio, Lat. 39° 25’ N., and Lon. 4° 
23 W. of Washington City; by S. P. Hizpretn, M. D., 273 
IX. Deseription of a New Pobpenetts eae: by 
ILLIAM Gwynn Jones, - - - 
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