INDEX. 



Aberration of stars, investigation of the corrections of, 21-27. 



Acetate of lead, new ore, 379-380. 



Acids of arsenic, composition of, 378. 



jEtna Wines, strength of, 168. 



Africa, account of the plague in, 183-185. 



Agency of galvanism, observations on, 72-87. 



Air, on the floatage of small heavy bodies in, and on certain at- 

 mospheric phenomena dependant thereon, 245-258. 



Alkali, new vegetable, account of, 156, 157, 378. 



Alta Gracid, (a Capuchin mission in Spanish Guayana,) plan of, 

 280. Its present state, ibid, 281, 282. 



America, scientific expedition into the interior of, 188 — Descrip- 

 tion of Indian antiquities there, 224-232. 



ylwjfos^Mra, journal of an excursion from, to the Capuchin mis- 

 sions oftheCaroni, 260-287. 



Ants, utiUty of, in destroying venomous insects, 174, 175. 



Arsenic, composition of the acids of, 378. 



Astronomy, progress of, in Germany for 1818, 84 — 95 — Prize 

 Question in, 345. 



Atmosphere, description of a new hygrometer, for measuring the 

 force and weight of aqueous vapour, and the corresponding 

 evaporation in, 298-318 — Detail of experiments with, 319- 

 322. 



Aurora Borealis, remarkable, notice of, 357, 358. 



B. 



Bath, notice of a proposed scientific institution at, 190, 191. 



Battery, new electrical, notice of, 384. 



Berzelius, (M.) on the analysis of euclase, 171, 172. 



Bismuth, beneficial effects of the white oxide of, in a severe dis- 

 order of the stomach, 295-298. 



JBZarfrfcr, on the production of calculi in, 205 — Nature of them, 

 205-210— Treatment of them, 211-218. 



Bleaching , notice of discoveries in the art of, 14. 



Boracic acid, found in a volcano, 350. 



Braconnot (M.) on the conversion of ligneous matter into gum, 

 sugar, a particular acid, and ulmin, 386-393. 



Brande (T. W. Esq.) on the medico-chirurgical treatment of cal- 

 culous disorders, 66-72, 205-218 — Outline of his lectures on 

 chomistry, 198 — Description of a portable gas-lamp, 233, 234 

 — On a substance produced during the distillation of coal-tar, 

 287-290. 



