PageIntroductioniiiPART I.GENERALITIES REGARDING TOXINS AND ANTITOXINS.CHAPTER I.Alkaloidal Toxins, Ptomaines, and Leucomaines.Alkaloidal products of cellular life1Ptomaines4Physiological action5Extraction5Classification, etc.7Leucomaines10Xanthic leucomaines12Creatinic leucomaines13Neurinic leucomaines13Indeterminate leucomaines14CHAPTER II.Toxins and Antitoxins.Toxins15Action of pathogenic bacteria16Action of toxins17Nature of toxins18Origin of toxins20Autointoxications21General mode of action23Constitution of toxins; Ehrlich's theory24Means of defense possessed by the organism against the action of toxins28Pasteur's vaccination method30Virus action30Phagocytosis32Antitoxins33Mode of action35Formation; Ehrlich's theory38Serotherapy41PART II.THE TOXINS PROPER.CHAPTER III.I.Vegetable and Animal Toxins.42Abrin42Ricin44Robin45Toxicity of the vegetable diastases45II.Toxins from Mushrooms46Phalline48Symptomatology49Antidiastases51III.Animal Toxins53“Peptotoxin”53Alimentary Intoxications55Urinary toxins57Variation of urinary toxicity59Autointoxications (animal)60Glandular secretions62Suprarenal capsules63CHAPTER IV.The Microbial Toxins.Pyogenic and pyretogenic properties66Anthrax toxin67Tubercular toxin69Diphtheria toxin71Tetanus toxin76Mallein79Typhoid toxin80Cholera toxin82CHAPTER V.The Venoms.General nature of venoms85Venomous serpents87Nature of serpent-venoms88Natural immunity towards serpent-venoms90Artificial immunity towards serpent venoms91Venoms of batrachians and saurians92Fish-poisons95Poisons of the hymenoptera96Poisons of scorpions97Poisonous blood and serums98Poisonous meats100