330 
INDEX 
Preparing cinnamic acid, new method of ... 77 
hydrargyrum cum creta, a new and expeditious mode of . 162 
Preparation of hydrochlorate of morphia, . . . . 239 
Process, new, for obtaining the resin of jalap in a state of purity, and 
perfectly white, .... 33 
Proto-iodide of iron, pills of ... 71 
Purification of nitric acid, . . . . . 117 
Quinia preparation of, and cinchonia, .... 199 
Report of committee on syrup of sarsaparilla, . . . 11 
on rhubarb, . ... 16 
on gilding, . . . . 60 
Resin of jalap, new process of obtaining . . 33 
extracted from balsam of copaiba, .... 36 
of guaiacum, . . . . 67 
Resinous extract of Indian hemp, . . . .157 
Reviews, ....... 170 
Rhatany, capsules of copaiba, and ..... 238 
Rice adulterated with potato starch, .... 76 
Roots, on the proper time for collecting certain . . 141 
Root found in senega, . . . . . 256 
Sabinte, unguentum, on the preparation of ... 59 
Saccharo, extracta narcotica, et moschus cum, . . . 221 
Salts, amphide, . . . . . . .101 
Santonine, extraction of ... . . 278 
Sarsaparilla, observations on syrup of . . 6 
comparative examination of several kinds of, . . 232 
an article called Texas .... 251 
of Brazil, ...... 276 
Scammony and jalap, identity of their active principles, . . 26 
Senega, root found in ..... 256 
Soap liniment, remarks on ..... 163 
Soda, sesquicarbonate, formation and composition, . . .143 
process fur preparing hyposulphite of . . 223 
Solvent for stone in the bladder, ..... 227 
Soluble cream of tartar, . . . . . .152 
Starch, potato ....... 224 
Strychnine, new test for . . . . . 300 
Sulphate of quinine with carbonic acid in the treatment of marsh 
fevers, ...... 154 
Syrup of sarsaparilla, observations on . . 6 
pipsissewa, 70 
poppies, - ...... 140 
