CONTENTS. 
No. I. 
ORIGINAL COMMUNICATIONS. 
On Egyptian Opium. By Jonathan Evans, Jr. - - - 1 
Adulteration of Proto-chloride of Mercury. By James H. 
Hart, M. D. - 7 
On adulterations of certain Medicines. By Oliver Hull, - 11 
On Acetate of Zinc. By Ambrose Smith, - - - - 14 
On American Senna. By James J. Martin, - - - 19 
A substitute for Wolfe's Apparatus. By P. T. Tyson, - 25 
On adulteration of Hydriodate of potash, &c. By F. and N. 
G. Carnes of New York, 27 
On Gillenia Trifoliata. By Charles S. Shreeve, ... 28 
Extract from a communication read before the College of Phar- 
macy of the city of New York, on the adulteration of Me- 
dicines. By William L. Rushton, - - - - 30 
On Sanguinaria Canadensis. By Clement J. Lee, - - 32 
SELECTED ARTICLES. 
On the Cyanuret of Potassium as a remedial agent. By Felix 
Boudet, ; - - 34 
On the active principle of Sarsaparilla. By M. Poggiale, - 36 
Application of Tannin as an Alkaloimeter. By O. Henry, - 42 
On Cobalt Blue. By M. Gaudin, 47 
On the purification of Gum Resins, &c. - - - - 49 
New Method of Labelling Glass Bottles, &c. By F. Boudet, 54 
On the existence of the Bi-malate of Lime in the berries of the 
sumach ; and the mode of procuring it from them in the 
crystalline form. By William B. Rogers, Prof, of Che- 
mistry in William and Mary College, - - - - 56 
On Pectic Acid and the Pectates. By M. Simonin, - - 63 
Extracts from the Journal de Chimie Medicale, - - - 65 
Poisoning by Morrison's Pills, - - - .... 70 
Detection of Arsenic when mixed with organic substances. 
By M. Taufflier, - - - - - - . - 71 
On the use of Insoluble Salts as a means of separation from 
Chemical Analysis. By Horace Demarcay, - - - 73 
Minutes of the Philadelphia College of Pharmacy, - 75 
Miscellany, 81 
A 
