INDEX. 405 



Incrustations, Calcareous, 211. 

 Inflammability of Ammoniacal gas, 185. 

 Iron Conduit Pipes, 173. 



, Magnetic and Micaceous Oxide of, 208. 



Carbonate of, 209. 



Iodine, 383. 



J. 



Jasper, 218. 



K. 



Keating Wm. H. Mr. his observations upon the Ancram Cad- 

 mia, 180. 



Laumonite, 224. 



Lead mine of Southampton, 201. 



Legendre, A. M. his elements of Geometry, 283. 



Leipsic, 396. 



Letter of Doct. Henry Manning on a meteor, 315. 



Limestone, 37. 



, granular, 211. 



Lime, Silicate of, Phosphate and sulphate of, 212. 



Long, Major, notice of his expedition, 374. 



Lyceum of Natural History, New- York — -proceedings of, 361. 



M. 



Magnetism, its connection with electricity and heat, 163. 

 Manning, Henry, Doct. his letter upon a meteor, 315. 

 Mar'ole of Hudson, notice of, 371. 

 Mc'Clure, Wm. Esq. his conjectures on the probable changes in 



American Geology, 98. 

 Mead, Wm. Doct. his account of a travelled stone, 168. 

 Memoir on the Catskill mountains, 86. 

 Mermaid, 195. 

 Meteors, 315. 



Meteor in Pennsylvania, 316. 

 Mica Slate, 22. 

 Mine at Huntington, 210. 

 Mineralogy of Ceylon, 192. 

 Minerals, miscellaneous localities of, 245. 

 Mineral Caoutchouc, 370. 

 Miscellaneous notices, 163. . y 



