INDEX. 



Edgewortli, R. L. Esq. on telegraphic 



communications, 181 

 Edmonstone, Dr on Zetland sheep, 79 

 Eel, electrical, 137 

 Einhof, M. on the acrid principle of 



horse-radish, 111 

 Electrical machine, improvements in, 



9, 218 

 Electricity, 285, 288, 321 

 Ellis, Mr. on corallines, 318 

 Equatorial regions, phcenomena of, 371 

 Escapement for a clock, 176 

 Ether, acetic, formation of, 1 57 

 Eye of the codfish examined, 318 

 Eye bath, 179 



F. 



Feed for sheep, 23 



Fcttstein, character of, 384 



Fischer on the structure of mirrors, 316 



Fisher, Mr. T. his description of a 

 swivel-headed churn-staff, to facili- 

 tate the making of butter, 296 



Fishes eyes, 318 



Fleming, Rev. J. on the rare animals 

 of Shetland, 317 



Fluids, animal, observations on their 

 analysis, 13, 19 



Fourcroy , and Vauquelin, on some 

 bones found in a tomb in the church 

 of St. Geneviva, 39 — Experiments 

 on the tanarous acid, and particularly 

 on the acid it affords by distillation in 

 the dry way, 44— On the combustion 

 of charcoal, 163 



France, plants and insects of, 158 



French beans, method of preserving 

 them green, 316 



Friction, heat produced by, 30 



Furze, properties of, 25— Infusion of, 

 beneficial to the eyesight, and a pre 

 ventive of a cough, 26 



G. 



Gaertncr, M. his parabolic wooden 

 mirrors, 315 



Galvanism, 69, 72, 113, 241 



Gas, hidrogen, combustion of, 161, S0O 



Gay-Lussac, M. his experiments on 

 the action of potassium on ammo- 

 nia, 323 



Gehlen, M. on the pyrotartarous acid, 

 44 



■ on radiant heat, 314 



on the formation of acetic 



ether, 349 



Geology of France, 290 



Gillham, Mr. 179 



Glenco, mineralogy of, 79 



G. O. on the art of printing from 

 stone, 317 



Grape-stone, analytical account of, 273 



Grass seeds, raising of, 355 



Grasses, germination of, 318 



H. 



Hackney Literary and Philosophical 



Society, 79 

 Haldat, Dr. on the heat produced by 



friction, £0 

 Halloy, M. De, on the arrangement cf 

 the strata of the hill of Durbuy, in 

 the department of the Sambre and 

 Meuse, 290 

 Hassenfratz, M. on the oxidation of 

 iron, 147—- On the component parts 

 of salts, 206 

 Hatchett, Mr. 333 

 Hauy, M. his establishment for the 



education of blind persons, 3 19 

 Heat produced by friction, 30 

 Heat, radiant, remarks on the doctrine 



of, 75, 106, 314 

 Henry, Dr. W. his analysis of several 

 varieties of British and foreign salt 

 (muriate of soda) with a view to ex- 

 plain their fitness for different econo- 

 mical purposes, 190, 213 

 Higgins, Mr. 226 



Holland, Mr. H. on the sources of 

 British salt, 191 



C c 2 Home, 



