INDEX, 405 
of the Philadelphia Academy, 399 
tron, hot, pierced by sulphur, 182 
, Malleable of Louisiana, 213 
La Fayette, the Marquis, letter to Col. Trumbull, 171 
Language of Signs, 348 
_ Pee, Chas. A. Notice of the Ancram Lead Mine, 247 
, Geology and Mineralogy of Salisbury, 252 
Leghorn Straw Plait, 378 
Leyden Jar, 374 
Limestone of Ganada, 76 
Localities of Minerals, Prof. Dewey, 32, 243—Dr. Bigsby, 60— 
Prof. Eaton, 195—Prof. Dana, 198, 234—Prof. Adams, 
199—S. Taylor and T. H. Webb, 225—T. H. Webb, 228 
—Dr. 8. Robinson, 230—Jacob Porter, 233—Martin Field, 
234—C. W. Shepard, 235—J. Finch, 236—C. A. Lee, 247, 
255—of Sahlite, Augite, Ceylanite, &c. 88—Molybdena, 
194—Sillimanite, 195 - 
Louisiana, Malleable Iron of, 218 
Lyceum of Natural History of New-York, 192 
Maclure, William, extracts of his letter to the Editor, 187 
: , Gifts to the American Geological Society, 187, 
os 
393 
Mangetism, Chemicai effects of, 374 
Maley, Jobn, Travels in Louisiana, 221 
Malleable Iron of Louisiana, 218 
Marbles, Sicilian, 203 
Martius, Chevalier de, letter to the Editor, 383 
Massachusetts, Geology and Mineralogy of, by Prof. C. Dewey, 
1—additional remarks on the same subject, 240 
Maxima and Minima of Functions, 133 
May Bug, Notice of the, 269 
Mechanics and Manufacturers’ Magazine, 191 
Melaaite, Seybert’s Analysis of the, 300 
Melolontha, or May-bug, Cist’s notice of, 269 
Metals of Sicily, 207 
Meteorological Notice, by Martin Field, 306 
Mineralogy of the Western part of Massachusetts, &c, 1—addi- 
tional remarks on the same, 240 
Minerals and organic remains of the Canadas, 60 
Minerals, Localities of, see localities, 
Mineral Springs, 31 
Mississippi Waters, Medicinal properties of, 396 
Molybdena, locality of, 194 
Morphinm, test for, 381 
