INDEX. 
327 
Colored sweetmeats, adulteration of ...... . . 290 
Copaiba, adulteration of . s .. . . 309 
observations on balsam, ' . 236 
Crajura, a new red tinctorial, ....... 149 
Creosote, investigations concerning ...... 195 
Culinary salt, adulteration of 287 
Decomposition of carbonic acid and alkaline carbonates by the light 
of the sun, 91 
of narcotine, products from the .... 136 
Decubitus, means of preventing injury from . . . . .. 158 
Deoxidation of ferridcyanide of potassium and persalts of iron, . 252 
Description of the frankincense tree, . . • . . . 187 
Diabetic urine, new mode of detecting sugar in ... : 234 
Different kinds of calcined magnesia, ...... 272 
Digitalis, extract of 178 
Distribution of mineral substances in organs of plants, . . . 264 
Double salts of iron, 96 
Dosing of iodide of potassium, . . . . . . . 316 
Drugs, on the impurity of some . 182 
Earths, ammoniate of potash and ......... 37 
Elaiometer, instrument for detecting the adulteration of olive oil, . 24 
Electricity in poisoning by strychnine, ...... 154 
Elemi, 230,232 
Emetic, tartar, impurity of ....... . 185 
Ether, lactic 52 
opianic, ............ 137 
Ethule, lactate of oxide of ........ . 52 
Extract of aloes, .135 
of hops, . . . . . . . . . 154 
preparation of pharmaceutical ...... 174 
of narcotic 250 
of senega and squill, ........ 72, 249 
of senna, 310, 311 
of spigelia, . ....... 19 
of taraxacum, ......... 235 
Farinaceous matters, ammonia in the manufacture of . . . 315 
Febrifuge properties of variolaria amara, ..... 262 
Fecula, adulteration of 289 
Ferments, alcoholic 223 
Ferri, confectio composita ........ 157 
perchloridum, 142 
Ferridcyanide of potassium, deoxidation of 253 
Ferrum praparatum, . 89 
Fireweed, oil of 8, 70 
