322 
INDEX. 
Fownes, George, Esq. An account of the artificial formation of a 
vegeto-alkali ; ----- 54 
Gerhart, Charles. On the conversion of the essential oil of mus- 
tard into the essential oil of garlic, - - 228 
Gregory, Dr. On the preparation of pure phosphoric acid, - 178 
Griffith, Dr. W. J. On Fettenkoffer's new test for bile, - - 117 
Homolle, M. Essay on the purple foxglove, (digitalis purpurea) 97 
Houlton, Joseph, M. D. On the mode of preserving colchicum 
cormi, ------ 52 
Jones, Daniel S. On syrup of wild cherry bark, and on the power 
of hydrocyanic acid in preventing fermentation, - 162 
Kavanagh, B. On the true composition of Labaraque's solution 
of chloride of soda, ----- 226 
Karser, G. A. Examination of jalap resin, 23 
Koene, Dr. Observations on the theory of M, Peligot and M. 
Baudrimont respecting the manufacture of sul- 
phuric acid, 289 
" On aqua regia ; on hyposulphuric acid as a means 
of oxidation; on the constitution of the same acid, 
and the part it acts on being put in contact with 
organic substances, ... - 201, 257 
Kohnke M. On the organic acids of lactuca virosa and sativa, - 34 
" On the manufacture of borax, - 111 
Leblanc, M. F. On the power of dissolving oxygen possessed 
by litharge in a state of fusion, and on several 
peculiarities which accompany the introduction 
of litharge by cupellation on a large scale, - 290 
Lepage, M. On the transformation of perchloride of mercury 
into protochloride bycertain phaimaceutical pre- 
parations. Compound preparations of mercury 
not incompatible with these preparations, - 255 
Letellier, M. On the adulteration of cochineal, 57 
Leuchtweiss, A. On Manna, 276 
Lassaigne, M. A new process in eudiometry for calculating the 
volume of the elements of atmospheric air in 
relation to each other, - 294 
Marchand, M. Eugene, of Fecamp. Contributions towards the 
chemical history of the gratiola, - 281 
" On the chemical composition of guano, - - 135 
