ccclxi. 
INDEX. 
Resins . . . . .44 
Rheum australe, cultivated near Paris, analysis of . . 282 
Rhubarb . , . . .263 
Rhubarb extract and tincture of . . 263 
infusion of . . . 263 
Rochelle salts . . . . .113 
Rhus metopium . . . .104 
radicans ..... 175 
Roses, honey of . . . .110 
aromatic honey of . . . .87 
Salt of copper, new .... 330 
Salts, deliquescent . . . .87 
rochelle . . . . .113 
Saponis ceratum .. . . .27 
Senega polygala . . . .92 
Senna, species of cassia which yield . . 177, 266 
and prunes . . . .13 
Separation of arsenic . . . 307 
Separation of potassa and soda, Dr. Thomson's mode . 232 
Simaruba . . . . .21 
Size for painting in water colours . . . 173 
Soap from flints .... 262 
Soda, supercarbonate of . . .114 
Solanum dulcamara . . . .15 
Solaneas, extracts containing green fecula , . 228 
Solution, antisyphilitic . . . .87 
Staining the hair, formulas for . . . 260 
Sugar, molasses, &c. . . . .115 
from indian corn .... 262 
Sulphate of baryta in calomel . . . 346 
bebeerine .... 199 
quinine (answer to Art. XL., Vol. 1. Am. Jour. Phar. . 187 
Sulphuric and nitric acids, action on some organic substances . 174 
Symplocarpus foetidus . . . .1 
Syrup, antiphlogistic . . . .172 
asparagus .... 197 
lemon ..... 171 
orange ..... 171 
punch ..... 174 
Tannate of gelatine for taking casts from medals . . 170 
Theobroma cacao .... 280 
Thomson's method of determining proportions of potassa and soda 232 
46 
