INDEX. 23 



Bkrthier (M.), experiments of, on sulphurets produced from sul- 

 phates, XV. 147-151. Analyses of different French limestones, 

 311-314 



. ■ on the sulphurets resulting from the reduction of some 



sulphates, by means of charcoal, xvi. 100-102 



on the preparation of sulphuretted hydrogen, xvii. 164 



Of the saturated hydro-sulphuret of potash or soda, 165. And 



of the pure oxide of nickel, 166 



experiments of, on the nature of scales of iron when 



heated, xviii. 387. On the reduction of the oxide of iron 

 by cementation, 388-389 



Berthollbt (Count), memoir of, on the history of the atomic 

 theory, iii. 154-156 



Berthoud (F.), observations of, on the dead escapement, with 

 remarks, xvi. 2-8 



Berzelius's (J. Jacob), " attempt to establish a pure scientific sys- 

 tem of mineralogy, by the application of the electro-chemical 

 theory, and chemical proportions," i. 226. His canon for de- 

 fining the theory, of chemical proportions, examined and re- 

 futed, 227-236. Examination of his new property of mineral 

 analysis, 237-238. Remarks on his phraseology, 239-241, 

 Supplement to the discoveries of, ii. 445 



on the analysis of euclase, viii. 171, 172 



• — observations of, on ferro-prussiates, x. 179, 180. xi. 



208-216 



^-^— on the compounds of molybdenum, chromium, tungsten, 



antimony, &c. xii. 171, 172 



on oxide of chromium, 172-178. Reluctantly acknow- 



ledges Sir H. Davy's chloridic theory, 306, 307. Abstract of 

 his paper on several inorganic combinations, which serve as the 

 base of calculations, relative to the theory of chemical propor- 

 tions, 307-310. Remarks thereon, 321-323. Analysis of the 

 crystallized calamine of Limbourg, 328. On the oxide of 

 platinum and gold, 412. Decompositions of oxalic acid by, 413 

 on the analysis of the ores of nickel, by means of chlo- 



rine, xiii. 156-lGO. Analysis of his treatise on the use of the 



