Symptoms of poisoning by it 331 Organic lesions 332 Methods of detecting its presence 333 _Phosphorus_ 333 Symptoms of poisoning by it 333 _Mechanical Poisons, Powdered Glass, &c._ 334 Class II. ASTRINGENT POISONS 336 _Lead_ 336 Sugar of Lead, Plumbi super acetas 349 Goulard’s Extract, Liquor Plumbi sub-acetatis 350 White Lead, Sub-carbonate of Lead, Cerusse 350 Litharge, semi-vitrified Oxide of Lead 351 Red Lead, Minium 352 Symptoms of poisoning by the different preparations of Lead 353 By small and repeated doses 355 Organic lesions 357 Physiological action of Lead poisons 358 Chemical processes for their detection 361 1. When it exists in some unknown state of combination 361 2. Is dissolved in Wine 363 3. Is dissolved in Oils 364 4. Is mixed with alimentary matter 365 _Vegetable Poisons_ 366 Class III. ACRID OR RUBEFACIENT POISONS 371 Camboge or Gamboge 371 White Hellebore, Veratrum Album 372 Black Hellebore, Melampodium 374 Fœtid Hellebore, Helleborus fœtidus 375 Elaterium, Wild Cucumber 375 Colocynth, Coloquintida. Bitter Apple 377 Euphorbium 377 Savine, Juniperus Sabina 378 Aconite, Monks-hood 379 Nitre, Nitrate of Potass 381 Symptoms of poisoning by Nitre 381 Organic lesions 382 Chemical processes for its detection 382