Chemical processes for its detection 305 Nitric Acid 305 Symptoms of poisoning by it 306 Organic lesions 309 Chemical processes for its detection 312 Spirit of Salt, Muriatic Acid 313 Symptoms of poisoning by it 313 Chemical processes for its detection 314 Oxalic Acid 315 Symptoms of poisoning by it 316 Antidotes 316 Chemical tests for its detection 316 _Boiling Water_ 316 _Melted Lead_ 317 _The Caustic Alkalies_ 318 Potass or Potash 319 Liquor Potassæ 320 Chemical tests for its detection 320 Potassa Fusa, or Kali Causticum 321 Potassa eum Calce 321 Sub-carbonate of Potash, Pearl Ash 322 Symptoms of poisoning by any of the above 322 Preparations 322 Antidotes 323 Organic lesions 323 Soda 323 Ammonia and its Carbonate 323 Symptoms of poisoning by Ammonia 324 _The Caustic Alkaline Earths_ 325 Quick Lime 325 Symptoms of poisoning by Lime 325 Organic lesions 326 Tests for its detection 326 Baryta, and its Salts 327 Symptoms of poisoning by Baryta 327 Physiological action of it 328 Antidotes 328 Chemical tests for its detection 329 _Cantharides_ 330