INDEX* 323 
Madagan, Douglass 1 M. D., R R. $ O n Gutta Percha, a pecu- 
liar variety of Caoutchouc, - - - 131 
Meier, Leo. Chemical investigation of the Red poppy, - - 21 i 
Maker, M. On the action of Bitter Almonds, the leaves of the 
Cherry Laurel, Peach blossoms, and their dis- 
tilled waters, on Essential oils and aromatic 
substances in general, - 209 
Mialhe, M. On the employment of the oxalate of Alumina in 
the manufacture of cane and beet sugar, - 219 
Monro, L. Von, Examination of the Volatile Acids in Viburnum 
Opulus, 55 
Mouchon, Emile. An Essay on Laetucarium, 32 
Mowbray, G. M. Fallacy of Dr. Birkbeck Nevin's Test for as- 
certaining the purity of Disulphate of Quinia, 72 , 
Muller, Fr. Examination of Castoreum of Siberia, - - 276 
Natorrs, Br. On Amorphous Quinine, 189 
Oberdojfer, M. On the examination of Balsam of Copaiba, - 302 
Pereira, Dr. On the origin of Samovy Isinglass, 54 
u u Notices of some rare kinds of Rhubarb which 
have recently appeared in English commerce, 6^ 
u u Further notice respecting Siberian and Bucha- 
nan Rhubarbs, with some remarks on Tasch- 
k»Bt Rhubarb, 123 
Parrish, Edward. On Chloride of Zinc, - - . 241 
Patrick, George W. On American Bromine, 95 
Personne, M. Jaques. An Essay on Alcoholic Tinctures, - 21 
u ik Adulteration of Iodide of Potassium by means 
of the Bromide, and the means of determining 
the amount of the latter in the compound, - 217 
Phillips, Mr. Reuben. On a simple method of preparing the 
pure sulphate of Manganium from the native 
peroxide, - -- -- -- 57 
Procter^ William. Remarks on the Revision of the Pharma- 
copoeia, ------ - i 
u 11 Observations on a new Displacement Appa- 
ratus, invented and patented by Charles 
Augustus Smith of Cincinnati, 98 
** 11 On the Ethereal Extract of Cubebs, - - 167 
l " H On sophistication of Quinine and Blue Mass, 267 
