J74 



Jiydromis. On the, 



Bydrophoh'ia cured. 



INDEX. 



33« 



257 



Indigo treated with nitric acid, 



173 

 Jnstituficn, Formation of tU' 



London, " 8 J, 



Jnstitutton, British. Formatioa 



of, 88 



Inititutiom. New, in America, 



^9 



Iridium. A new metal, 273 

 Iron abundant in North Ame- 

 rica, 2 10 



yapan. Expedition to, I, IIJ 

 yefferson (President). On the, 



Jesty the inoculator, 367 



JubFs patent, 95 



JobTison's patent, 370 



Jmes on the comvig-up glass, 3 1 9 



Kay's patent, 370 



Kent's patent, 369 



Knight on sap of .tr€es^ 309 



A(7^Ar on plants, 231 



Krusinstent's {Fon) expedition 

 to Japan, ii 1 13 



Lariguages of the Anverican 

 tribes, 209 



Lava. On, 262 



/-fc'^zf/ found in America,* 210 

 Learned Societies, 85, 172, 271, 



353 

 Lectures, 285, 369 



Life-buoy, Patent, 191 



Locks. Patent for, 191 



London Institution. Formation of, 



Lonm. Patent, 191,370 



Luminous rays. On, 289 



M'Gregor's Medical Sketches, 



340 



Magnetism. Variations of, 248; 



299 



Mamwaha. New genus of, 328 



Manus.ripis, Anticnt, 363 



Marquesa Islands. Tfa.c new, 6 

 Marshal on blight of wheat, 68 

 MarsL-nd's patent, 370 



Mathematics, 355 



Mathey's machine for measuring 

 velocity of musket balls, 228 

 Maudslay' s patent, 37^ 



Medical and Chirurg'ical Society. 

 Institution of, 279 



McJical entomology. On, 49 



Medicine, 355, 25, 63, 257, 339 

 Metal,. New, 174 



Mercury. Action of, on platina, 

 26, 103; oxides of, to pre- 

 pare, 133, 132 

 Meteorology, 96,192,288,371 

 M.tals. New, 93, 193,273 

 Mildew ofivbeal. On, 68 

 iV//7/' analysed, 176 

 Miller's patent, 191 

 Jlli/ierals. American, 2 jo 

 Mirrors. On the manufacturing 

 of, 112 

 Mitchill (Dr.) on American 

 winds,. 14 

 Monge on velocity of projectiles, 

 220 

 Moral Sciences. A prize ques- 

 tion, 354 

 Mountains. On declivities of. 

 Muriate of baryta. To prepare, 

 218 

 Muriate of potash produced by 

 galvanism, 1^3 

 Muriate of soda excreted from 

 the human skin, 184 

 Muriatic acid. On the elements 

 of, 152, 179, 183 

 Mushet on wootz, 40 

 Muiical i.-istruimnts. Patent for 

 tuning, ^ 95 

 Muikct balls. Velocity of, 2^:3 



Naturrd history. A prize ques- 

 tion, 91 

 Natural history of North Ame- 

 rica, 97, 204 

 New Holland. Facts respecting, 

 157,200 

 Noble's patent, 369 

 NickeL 



