Index. 
Pelletier. New principles in opium, . . . 331 
Pelletier and Despretz. Sulphate of quinine, . . .81 
Pelligot and Dumas. New alcohol &c., ... 66 
Perrine. Tapioca, . . . . .172 
Phillips, Richard. Water in crystallized baryta and strontia, - 158 
Piette. Cantharides, . . . . .171 
Pigou, F. On tea plant, . . . 151 
Poggiale. Active principle of sarsaparilla, . • .36 
and Brault. Chemical examination of digitalis and hyoscy- 
amus, . . . . . 218 
Pruekner. Carbonate of soda, . . . . 176 
Puchelt. Correctives of opium, . . . 346 
Pushkin, Mushkin. Amalgam of platina, ... 84 
Reboulet. Preservative liquid, . 350 
Reichenbach. Capnomor, .... 246 
Rennie, James. Ergot caused by insect, . , . 347 
Righini, G. Benzoic acid, .... 258 
Robiquet. Artificial ultra-marine . . . .172 
Oxalic acid, . . ... 349 
Rogers, Wm. B. Bimalate lime in sumach berries, . .56 
Runge, F. F. Products from distillation of pit-coal, . . 250 
Rushton, Wm. L. Adulteration acetate of morphine, . , 30 
Scanlan. Alcohol, . 346 
Schindler. Combinations of zinc, . . . .82 
Sementini. Iodous acid, .... 255 
Combustion of zinc, , . . . 258 
Shreeve, Charles S. Gillenia trifoliata, ... 28 
Simonin Pectic a.cid and the pectalics, . . ,63 
Smith, Ambrose. Acetate of zinc, . . . 14 
Sobolewskoy, P. Extraction of platina in Rnssia, . . 237 
Soubeiran. Croton oil, , 257 
Oil of Euphorbia lathyris, .... 260 
Taufflier. Detection of arsenic, ... 71 
Thierry. New process for obtaining cantharidine, . . 140 
Thomson, A. T. Ioduret and hydriodate of iron, . . 305 
Tromsdorff, J. B. Analysis of berries of rhus coriaria, . .148 
Turnbull. Preparation and employment of aconitine, . 143 
Tyson, P. T. Substitute for Wolfe's apparatus, . . .25 
and W. R. Fisher. Analysis white powder supposed poi- 
son, ..... 105 
Analysis, bread supposed poisoned, . . 107 
Virey. New sarsaparilla, .... 84 
Webster,. Balsam copaiva, . . . .173 
