INDEX. 



ffcicu'lay colouring matter of, lj 



differs from gluten, zz 



' green and white, 21 

 Fires, extinction of, 103 

 Fiih oil, purification of, 5 

 Fifh hermaphrodite, 60 

 Fitz- James, Mr. 250 

 Florida, 165 

 Fontana, 51 

 Fortis, M. 101 

 Fofter, Mrs. 137 

 Fourcroy, on the gluten of vegetables, 24, 



51, 205, 257 

 French Inftitute, 54 



Galls, experiments on the infufion of, 



261 

 Galvanic refearches, 58 

 Galvanifm, fuppofed difference between it 



and the electric fluid, 60 J 



Galvanic fliock, 6 1 , 109 

 • gutta-ferena cured by, in 



■ hydrophobia cured by, 112 

 ' ' ■ apparatus by Mr. Davy, 



216 

 Gas, emifiion of from the fkin, 52, 53' 

 Gafes, apparatus for galvanizing, 217 

 — — abforbed by water.— Henry on quan- 

 tity' of, 230, 231 



■ ■ on the extract-Ion of from fpring 



water, 236 

 -■' general law of abforption of, by 



water, 239 

 — ■ table of abforption of, 241 

 Gluten and fecula, differences of, 22 

 Gold, on the comparative wear of, 286 



" on various alloys of, 287 

 Gough, Mr. John, his experiments on 



ventriloquifm, 247 

 Graphometer, fubterraneous, 283 

 Gregor, The Rev. Wm. 225 

 Gun-lock, improvement of, 29^ 



M. 



Htrrup, Mr. Robert, on the caufet by 

 which the oxigen of the atmofphere is 

 fupplied, 184 



Hatchett, Mar. ,259 



Hatchett, Charles, Efq. his experiments 

 onrthe alloys, the fpecific gravity, and 

 the comparative weight of gold, 286 



Heavens, Herfchell on the conftruction of, 



75 



Heat, fpecific, of fleam at different tem- 

 peratures, 209 



Hemlock, 169 



Henderfon, Mr. 251 



Henry, Mr. Wm. his experiments on the 

 _ quantity of gafes abforbed by water at 

 different temperatures, 229 



Heracleapontica, 171 



Hermaphrodite fifh, 60 



Herfchell, Dr. on the construction of the 

 heavens, 75 



his* obfervation of a tranfit of- 



Mercury over the fun's difk, 78^ 



Highlands, honey of, 162 



Honey, red, 161 



intoxicating, ib. 



Hooke, Mr. B. on the probability that 

 water may be formed at low heats, z%% 



Houfe-leek, 26 



Hydrogen, oily, 97 



h 



Indians, 167 



Ingenhouz, Mr. 51, 185 



Inftitute of France, 54 



Inftitution, Royal, 221 



Joffe, Cit. his memoir on the phyfical and 



chemical examination of the teeth. 36 

 Iron, the difoxidationof, 99 

 Jurine, 51 



Kalmia auguftifolia, 16 K 

 Kerr, Mr. 276 



Kir wan, 



