viii 
CONTENTS, 
No. IV. 
Observations on the Volatile Oil of Betula Lenta, and on Gaul- 
therin, a Substance which, by its Decomposition, yields 
that Oil. By William Procter, Jr., - - -241 
On an Article called Texas Sarsaparilla. By J. Carson, M. D., 251 
Some Account of Gunjah, or Indian Hemp and its Preparations, 
By Augustine Duhamel, - - - - 252 
Report on a Root found in Senega, - 256 
Note on Ergotin. By Augustine Duhamel, - 258 
Extract from Mr. Deschamp's Memoir upon Pommades, - 260 
The Plant Producing Gum Ammoniac. By A. Richard, - 363 
On the Malambo, or Matias Bark. By Alexander Ure, Esq., - 265 
On the Nature and Properties of a Liquid sold under the name 
of Ter-Chloride of Carbon. By Alexander Ure, Esq., 267 
Notice of the Method of Detecting Arsenic by means of Cop- 
per, proposed by M. Hugo-Reinsch. By Louis-Victor 
Adouard, of Beziers, ----- 269 
Practical Observations on Lead Plaster. By Davallon, of 
Lyons, ------- 271 
Treatment of Hooping Cough by Cochineal, - - - 275 
Upon the Sarsaparilla of Brazil. By A. Richard, - - 276 
Extraction of Santonine, - - - 278 
On the Action of Nitric Acid on Alcohol, and on Nitric Ether. 
By M. Millon, ------ 279 
On the Active Principle of the Gastric Juice. By M. Payne, 284 
On the Preparation of Pure Todide of Potassium. By Messrs. 
Thos. and H. Smith, of Edinburgh, - - - 287 
Ambergris. By M. Payne, - 295 
On Hemidesmus Indicus. By Mr. Jacob Bell, - - 298 
New Test for Strychnine. By Eugene Marchand, - - 300 
Observations on Musk, - » - - 302 
Observations on Leeches. By Otto Kohnke, - - 308 
Minutes of the Pharmaceutical Meetings, - - 319 
Miscellany, ------- 316 
