INDEX. 



Absorption of gases by water, 123 



^cadcmy of Sciences at Petersburgh ; 

 adjudication of prizes, and new ques- 

 tion by, 70— at Munich, new orga- 

 nization of, 156— History and anti- 

 quities at Naples, 157 



Acclimation of tender plants, 187 



Accum, Mr. his lectures in chemistry, 

 80— His « System of Mineralogy and 

 Mineralogical Chemistry," 160 



Acid, fluoric, in teeth and bones, 75— 

 njuriatic, production of by galvanism, 

 155 — Acetic, its action on alcohol, 

 185— Memoir oil, 315— Acetic prin- 

 ciples of, 349 



Acid« produce prismatic colours on 

 polished steel, 125 



Acoustics, 310 



Adams's " Essays on tlie Microscope,'* 

 264 



Air engine, 260 



Aix la Chapelle, waters of, contain sul- 

 phuretted nitrogen gas, 41 



Alcohol, how affected by metallic mu- 

 riates, oxigenized muriatic acid and 

 acetic acid, 183 



Aletes on some difficiilties which orcnr 

 in the investigation of the capillary 

 action of fluids, 1, 2 50 



Allaire, M. his new method of scower- 

 ing wool, 78 



Alum, comparison of different kinds of, 

 275 — Analysis of, 278— Experiments 

 vith dyes, 282 



Alnm works, history of, 275 



Amand, St. baths of, 42 



Animation, suspended, 254, 266 



Apples, hints for the improvement of, 

 192 



voL.xvm. 



Ap«ophu5 on the structure of corered 



ways, independent of the prhiciple of 



the arch in equilibrium, and on the 



best forms of arches in buildings, 241 



Arabic, gum, solution of, examined, 



28, 37 

 Arch, ancient substitute for, 241 

 Arches in buildings, best forms of, 249 

 Argand, Mr. A. his valve syphon de- 

 scribed, 61— His lamps with blue glaif 

 chimneys, 78 

 Arrago, M. on the refractive power cff 



bodies, 27 

 Asparagus grows well in sand, 19 

 Attraction and repulsion, 2, 8 

 Auvergne, geological tour in, 295 



6. 



Baconla, Dr. his newly indented vege- 

 table galvanic pile, 159 ' * 



Baker, Mr. his experiments on smutted 

 and mildewed corn, 264 ^ 



Banks, Sir J. on the proper mode of 

 inuring tender plants to the climate of 

 England, 187 



Barometer, chamber, 81 



Barometrical observations on the heights 

 of various places in France, &c. 210, 

 295 ' • 



Barthelemy, M. on the Saero Catino of 

 Genoa, 97 



Barytic salts, see Salts. 



Basse, M. on sulphurous mineral waters, 

 42 — His mode of forming muriatic 

 ether, 182 



Bavarian Academy of Sciences, &c* 

 156 



Bevger, Dr. F. experiments by, on the 



heights of various places, determined 



by the barometer, in the course of 



b fereral 



