332 
INDEX. 
Sweet spirits of nitre, formation of hydrocyanic acid in preparing 41 
Sweetmeats, adulteration of coloured . . . 290 
Syrup of chamomile, . . . . .18,71 
of manna, . . . . . 72 
Tannic acid in poisoning by hemlock, . . . 154 
Tartar emetic, impurities in . 185 
Taraxaci, extractum, . . . . . 235 
Tartrate of ammonia, its action on sulphate of lead, . . 270 
Tea, adulteration of .... 294 
Teeth, cement for . . . . . .158 
Terebinthus, galls of . . .32 
Terra japonica, . . . . . . 164 
Trithionate of potash, preparation of . . .190 
Troches, formulae for . . . . 239 
Trunk of plants, mineral substances in . . . 265 
Unguentum hydrargyri, . . . . 1,64,134 
Valerian, extract of ... 179, 180 
Valerianate of zinc, . . . . 157, 313 
preparation of . 298 
Variolaria amara, febrifuge properties of . . 262 
Vegetable wax, two kinds from Brazil, . . . 151 
Vinegar, adulteration of . . . . 293 
Virgin scammony, , . . . . .313 
Wax, two kinds of vegetable, from Brazil, . . . 151 
White cinnamon, some principles of, . . .67 
Wines, adulteration of . . . .292 
Xanthopenic acid, ...... 138 
Zinc, impurity of carbonate of . . . 182,185 
preparation of valerianate of . . . • 298 
valerianate of '157, 313 
