Red Oxide of Mercury 275 Red Precipitate 276 Other preparations of Mercury 276 _Antimony_ 277 Emetic Tartar, Tartarized Antimony 279 Symptoms of poisoning by it 280 Antidotes 280 Physiological action of Emetic Tartar 282 Organic lesions discovered by dissection 283 Tests for the detection of Emetic Tartar 284 1. The poison is in a solid form 284 2. It is mixed with various alimentary substances 285 _Copper_ 285 Oxide of Copper 287 Green Carbonate of Copper, Natural Verdegris 288 Verdegris 290 Blue Vitriol 291 Symptoms of poisoning by the Salts of Copper 291 Organic lesions discovered on dissection 291 Chemical detection of their presence 291 A. By their reduction to a metallic state 292 B. By the application of certain tests to their solutions 293 The suspected poison is mixed with alimentary substances 294 _Tin, and its Muriates_ 295 _Zinc_ 296 White Vitriol, Sulphate of Zinc 297 Symptoms of poisoning by it 297 Organic lesions 298 Chemical processes for its detection 297 _Silver_ 299 Lunar Caustic, Nitrate of Silver 299 Chemical processes for its detection 300 _The Concentrated Acids_ 301 Oil of Vitriol, Sulphuric Acid 302 Symptoms of poisoning by it 303 Organic lesions 304 Antidotes 304