446 Index, 



Lead ore, 53, 63 — native, in Michigan, 434. 



Light, connexion between, and magnetism, 89, 207 — aad heat, new 

 mode of producing, 91. 



Lime, augments the force of gunpowder, 87. 



Limestone, with shells, 61— carbonates of, 63, 131,237, 241, 307,341. 



Limosella, description of, 74. 



Lithia, a new alkali, 309. 



Lithograph 1/, art of, 439. 



Localites, (American) of minerals, 49. 



M. 



Maclure, (William, Esq.) his geological survey, 37 — ^map, 61— >ob geolo- 

 gy, 209. 



Magnesia, sulphat of, 49— carbonat, 49, 54, 236 — of hydrate, 55. 



Magnetic, iron mine of, 89. 



Magnetism and light, their connexion, 89. 



Malaehite, compact, 236. 



Manganese, 50. 



Marten, new species of, 82. 



Matches kindling without fire, 308. 



Mercury, fulminating explosion of, 168. 



Metal, new, 310. 



Meteors, theory of, 266. 



Mica, plumose, 50 — of Porto Rico, 237 — of slate, 339. 



Mill stones, 62, 132. 



Mineralogy, elementary works on, 38. 



JMTmerafo of Deerfield, &c. 112 — of Indiana, &c. 132 — of Southampton 

 level, 136— silicious, 224 — ^localities, by Rev. Mr. Schaeffer, 237 — 

 American collections, of, 310. 



Mineral springs, 66. 



Mind, human, its operations in a diseased state, 431. 



Mitchill, (Dr. S. L.) 37, 55.— his edition of Cuvier,68. 



Motiihdena, 50, 238, 242 



Morey^ (Samuel) his fire apparatus, 91 — steam engine, 162. 



Mounds, ancient, 322, 428. 



Mountains, Alleghany, 60. 



Mustela vulgjna, 82. 



Myosihrus Sh'ortii, 379. 



Myrica cerifera, analysis of, 294. 



N. 



J^ative copper, near New-Haven, 55 — sulphur of Java, 56—237. 



JSTatural Bridge, 66. 



J^ecronite, 306. 



/few England, its geology, 69. 



Nitrate of lime and of potash, 65. 



3^itre, natural, 321. 



Nomenclature of minerals, 45. 



Nugent, (Dr.) on Antigua, &c., 56, 141. 



O. 



Ohio, notes on, 207 — its medical college, 311. 



Opal, semi, 225, 237. 



Ophisaurus ventralis, 262. 



Organized remains, Brongniart on, 71. 



Oxygen gas, respiration of, 95. 



P. 



Paint, rock, 77, 



Paris, porcelain of, 56. 



