INDEX. 



from the alkaline earths, and on the 

 amalgam procured from ammonia, 

 S66 



D'Ambuisson, see Ambuisson. 



Decomposition of earths, 366 



Delametherie, M. extract of a letter to, 

 on volcanic substances, 298, 299 



De I*uc, J. A. Esq. on ignition by com- 

 pressed air, 234 



De Moivre, see Moivre. 



Deyeux' discovery of liquid sugar, 313 

 —On the fermentation of vegetable 

 juices, 352 



Dilettante, A. on the discovery of me- 

 tals in alkalies, 68, 232 



Diseases of cattle, 157 



Drowning, contrivances to prevent, 

 338 



Diihamel's experiment on the converti- 

 bility of bark into alburnum, defec- 

 tive, 7, 10 



Duthrone on the several species of 

 sugar, &c. S13, et seq. 



Dyeing cotton and linen thread with 

 fixed colours, 44 



E. 



Earths, decomposition of, and metals 



obtained from, 159, S66 

 Edelcrantz, Sir A. N. 66 

 Edinburgh Review of Professor Vince's 



Essay on Gravitation, remarks on, 



305 

 Ehrhart, 14 



Electrical charges and discharges, 278 

 Encaustic painting, 82 

 Ensenada, Marquis de, 311 

 Escapement for watches, 178 

 Ether, sulphuric, composition of, 222, 



259, 322 

 Exhausting Machine, 63, 161 



Fabroni, 352 



Fecula, of the potato, 71, 182— Of 

 wine, 350, &c. 



Feldspar, on, 195 



Fermat's proposition on polygonal num- 

 bers, 118 



Fleming, Rev. J. 383 



Floating light, calculated to save the 

 lives of persons falling overboard in 

 the night, 338 



Fourcroy's experiments oji oxalic acid, 

 14— On the composition of alkalies, 

 232— .On the new metals, 363 



Furniss, M. account of his new air- 

 tight hinge for a folding skreen, or 

 for a door, 61 



G. 



Gartner, on the generation of vegeta- 

 bles, 214 



Gaslights, 94, 291 



Gay Lussac. his rate of expansion for 

 every degree of the thermometer, 803 



Geoffroy on the structure and use of 

 the principal parts of flowers, 221 



Gilpin, Mr. G. his improved machine 

 for raising coals or other articles from 

 mines, 111 



Glauber, on the rob of grapes, 351 



Gleichen, on the structure of seeds, 

 214 



Gough, J. Esq. a mathematical pro- 

 blem by, 1 — On polygonal numbers, 

 118, 241 



Gravitation, S05 



Grape sugar, 306, 316 



Greenland, Miss, $ce Mrs. Hooker. 



Grew, on the generation of plants, 215 



Giieniveau, M. his analysis of soma 

 metallic sulphurets, 142 



H. 



Harrington, Dr. on the new metals, 



231 

 Hatchett, C. Esq. communication from, 



on oxalic acid, 14, 86 — On metallic 



sulphursts, 142 



b 2 Hardy 



