INDEX. 



S*7 



Copying, art of, or of multiplying co- 

 pies, 113. 



Cornwall, ceolouica' observations on, 

 221 . Economy of the mines of, fl9& 



Corrosive sublimate, its effects on tiie 

 animal system, 1.3. 



Cotte, M., on the appearance and dis- 

 appearance of the aurora borealis, 

 196. 



Crawford, Dr., 209. 



Cube-root, query relative to the extrac- 

 tion of, 311. 



Cumberland, G., Esq., on some lime 

 stone strata, near Bristol, 177. 



Cumberland, sand tubes found at 

 Drigg, in the county of, 76. 



Cuttle-fish, observations on, 34. 



D. 



Da Casta, 222. 



Dalton, Mr., 50. 



Davis, Mr. W., 80. 



Davy, Sir H., 46. 69. 81 . 180. 



Davy, J , Esq., 42. '267. His account 

 of an experiment to ascertain if 

 water is contained in muriatic acid 

 gas, 68. Observations on, by Mr. 

 Murray, 264. 



— — — — , bis account of some experi- 

 ments on different combinations of 

 fluoric acid, 81. 



Dccandole, M., on the tendrils of 

 •fonts, 39. 



Det omposition of gases by solar light, 

 220. 



Delambre, Chev.,93. 



Delametherie, Dr., 142. 



De Luc, M.,74. 



De Marti, 50. 



Derbyshire Peak, models of, 226. 



Dessaignes, J. P., on the origin and 

 generation of the electric power, 211. 



Devonshire, granite tors of, 307. 



— . rocks of Clovelly, 309 



Distillation, apparatus for, 19^. 



Draining of Land, 218. 



Drigg, in Cumberland,sand tubes found 



at, 76. 

 Dupuytren, M. 208. 

 Dusseu, M., 50. 



Earth, figure of the, 90. 



Electric power, generation of, tit. 



Electricity, atmospheric, 126. 



Electro-chemistry, theory of, 154. 



Engenhansz, 50. 



England, trigonometrical survey of, 246. 



Escapement for pendulum clocks, 136. 



" Essay on Vision," 73. 



Evans, O., his rules for discovering 

 new improvements, with exemplifi- 

 cations, 107. 



Eudiometry, 50. 



Explosion by solar light, 220. 



Explosive compound of chlorine and 

 azote, ICO. I*T6*. 



F. 



Falconer, 50, 



Farey, Mr. J., 226. 



, on the connection between 



shooting stars and large meteors, and 

 proceeding both from terrestrial and 

 satellitulae, 298. 



Fiddler, Captain, 150. 



Fluoric acid, experiments on, 81. 



Fluids, elastic, contained in wood, 319. 



Fontana, 50. 



Forster, Mr., 298. 



Franklin, Dr., bis method of multiply- 

 ing copies, 115. 



Freezing, remarkable phenomenon in, 

 301. See Congelation. 



Gas, muriatic acid, water in, 68. 264. 

 Gases decomposed by solar light, £20. 



Aa 2 



