INDEX. 
455 
Daubeny, Dr, on the volcanoes of Auvergne, 89, 300. 
Davy, Sir H. his experiments on electro-magnetism, 172. 
Deuchar, Mr, on the nature of flame, 374. — on two large magnets, 
436. 
Diamond, apparatus for the combustion of, 202. 
Dibble, Lake, account of the, 47, 238. 
Di'p of the horizon, new method of finding it, 331. _ 
of the needle, instrument for measuring it^r3u6.— chart of it 
by Hansteen, 363. 
Dobereiner on the chemical action of capillary tubes, 447* 
Double refraction of light, history of the, 124. 
Dunbar, Rev. Mr, his observations on bees, 133. 
E 
Earthquake in India in 1819, 106. 
at Lead-Hills, 215. 
Echidna, on the affinity of with amphibia, 211. 
Eclipse of the sun on the 7th September, observations on the, 87, 
197, 431. 
Electro-magnetic apparatus of Ampere, 406. 
phenomena. Dr Wollaston’s explanation of the, 435. 
Electrometer, Bohnenberger’s, 324. 
El Hezsh, account of Scott’s journey to, 50. 
Expedition to the Frozen Ocean, 221. 
F 
Fir trees, on the cultivation of, 204. 
Fisher, Mr, on the effect of magnetism on the balances of chronome«< 
ters, 199. 
Flame, experiments on the nature of, by Mr Deuchar, 374. 
Flint, Mr, on fossil shells, 422. 
Flora of a former world, 206. 
Florida or Gulf Stream, observations on, 76. 
Fluids, on the resistance of, 315. 
Fluor-spar, phosphorescence of, 1 80. — ^green discovered in Banff** 
shire, 214. 
Fluoric acid, existence of, in mica, 21. 
Franklin, Lieutenant, account of the arctic land expedition under 
him, 141. . ^ 
Fulminating Silver, 203. 
Fusible metal, used for taking impressions from MS., 451. 
Fyfe, Dr, his analysis of the native hydrate of magnesia, 354. 
G 
Geocentric places of Ceres and Vesta, 433. 
Gilby, Dr, on the respiration of plants, 100. 
on fulminating silver, 203. 
Granite, on the method of working and polishing it in India, 349* 
