INDEX. 85 



Gay-Lussac (M.), observations and experiments of, on the boiling 



point of fluids, v. 3GI 

 and Wblter, on a new acid of sulphur and oxygen, 



vii. 371 

 — — on the analysis of the water of the Dead Sea, viii. 



164 ; and of the river Jordan, 165 



on the laws of the propagation of heat, xiv. 207 



Congelation of mercury by, 441. On the suspension of clouds, 

 446 



experiments and observations of, on the cold produced 



by the evaporation of liquids, xv. 74, 163 

 experiments of, on the acid of the triple prussiates. 



xvi. 102 



instructions of, for ascertaining the strength of chlo- 



ride of lime, or bleaching powder, xviii. 182. Reply to his ob- 

 servations on the radiation of heat in the atmosphere, 305 

 abstract of his report on paratonneres or conductor* 



of lightning, xix. 143. Letter of, to Mr. Danibll, on the ex- 

 pansion of gases by vapour, xx. 294 

 Gkber, an alchymist, notice of, ix. 227 

 Gelatine, new test for, x. 454 

 Gems (vegetable), of Batavia, notice of, vii. 285 



(artificial), new mode of preparing, x. 184 



(ancient), representing (Edipus expounding the enigma of 



the Sphinx, xii. 1 1 

 Gemellaro (Signor), extracts from the meteorological journal of, 



on the volcanoes in Sicily, xiv. 322 

 ■ . account by, of the eruption of Mount MtuA in 1819, 



xix. 227 

 General literature, miscellaneous intelligence concerning, vi. 173. 



xi. 223, 411 

 Geneva, notice of a bridge of suspension at, xvi. 369. Expense 



and durability of, xvii. 147 

 Geoffroy (M.), the first producer of the alloy of antimony and 



potassium, xix. 152 



