INDEX. 405 
Incrustations, Calcareous, 211 
4 flammability of Ammoniacal gas, 185. 
on Conduit Pipes, 173. 
~—, Magnetic and ceeins Oxide of, 208. 
Carbonate of, 209 
lodine, 383. 
Jasper, 218. 
K. 
Keating Wm. H. Mr. his observations upon the Ancram Cad- 
mia, 180. 
L. 
Laumonite, 2 
Lead mine of Scaiukge € 
Legendre, de M. his elements ie Geometry, 283. 
Leipsic, 3 
Letier of Shoes: Henry Manning on a meteor, 315. 
nas = ‘ 
, granular 
Fine. Si Silicate of, Pisahits 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. 
Marble of Hudson, notice of, 371. 
Mc’Clure, Wm. Esq. his conjectures on the probable changes in — 
American Geolo ogy, 98. 
Mead, Wm. Doct. his account of a travelled stone, 158. 
Memoir on the Catskill mountains, 86. 
8, 315 
eteor in Pennsylvania, 316. 
Mica Slate, 22. 
Mine at che ae er 
Mineralogy of Ceylo 
Minerals, Bobi vio testes of, 245. 
Mineral Caoutchouc, 37 
Mitcsiliieius notices, 163. 
