360 
INDEX. 
Quassia amara, essay on - - - - - 257 
Queen's delight, - 304 
Quinine and cinchoninej observations on - - - 238 
Quinoidine, - -- -- --33 
Reviews, - 20, 280 
Red sealing wax, ------ 25 
Report to Congress on adulterated drugs, ... 203 
Salts of gold, new - - - - - 65 
Scammony, essay on - - _ . . 1 
virgin - . - - - - 6 
" chalky and amaylaceous - . - 9 
amylaceous - - - - - i 1 
" gummy - - - - - - 12 
" black gummy - - - - - 13 
factitious - - - - - 13 
Montpellier - .... 14 
Solution of citrate of magnesia, „ - . - 254 
" acetate of magnesia, - - . . 302 
" " tartrate of magnesia and potash; - - 302 
" ethereal, of gun cotton, - - - - 181 
Spigelia, fluid extract of, and senna, - - - 87 
Stillingia sylvatica, ------ 304 
Subnitrate of bismuth, - - - - - 17 
Sulphuric acid, its purification, - . . _ 28 
Sulphate of phillyrena, - 327 
Substitute for cinchona, - _ - - i 328 
Sugar, mode of detecting adulteration of - - - 43 
Syrup of citrate of iron, - - . - - 253 
Tallow tree of China, - - - - - 72 
Tallow, mode of obtaining vegetable - . . 72 
Tannic acid, its conversion into gallic acid, - - 112 
Taraxacum, fluid extract of- - - - - 86 
Tartrate of potassa and magnesia as a purgative, - - 303 
Technology, Knapp's chemical, notice of - - - 280 
Vegetable charcoal, its behaviour towards chlorine, &c.. - 243 
Vallet's pills of carbonate of iron, - - - - 351 
