INDEX. 
ccclix. 
Richard, J. Note on the bark of cedrela febrifuga, - - 71 
Righini, M. J. Process for obtaining veratria, 70 
Ruschenberger, W. S. W. Notice of the clove and cinnamon, - 30 
Rushton, Richard, On asarum canadense, - 181 
Sarzeau, M. On the presence of tin in the protosulphate of iron, 
and the inconveniences therefrom in examinations 
for arsenic, ----- 66 
Scanlan, Mr. On the constitution of the commercial carbonate 
of ammonia, ----- 349 
Sigmond, Br. G. G. Smoking of stramonium as a remedy for 
asthma, ----- 266 
Simon, J. F. Comparative examinations of antimoniuretted and 
arseniuretted hydrogen, and upon the new modes 
of reducing the sulphuret of arsenic, - - 217 
Soubeiran, E. Upon the preparation of essential oils, - - 75 
Report made to the Royal Academy of Medicine 
upon the new ferruginous pills of M. Vallet, - 244 
Smith, Persifor F. Fecula of the saw palmetto, used by the In- 
dians as food, - - - - 256 
Thompson, L. On James Marsh's process for the detection of 
arsenic, - - - - - 108 
Dr. R. D. On the decomposition which is produced 
by the action of emulsin on amygdalin, by 351 
Dr. Thomas. On galactin, - - - - 353 
On diabetic sugar, - 354 
Vogel, de Munich, M. On the process of James Marsh for the 
detection of arsenic, - 108 
Wiggers, M. On Quassit, ----- 42 
Worthinglon, Henry W. On veratrum viride, 89 
Wright, Samuel. On vegetable chemistry, - 330 
