557. Scillain, or Scillitin--Adonidin, 434 558. Oleandrin, 435 559. Neriin, or Oleander Digitalin, 435 560. Symptoms of Poisoning by Oleander, 435, 436 561. The Madagascar Ordeal Poison, 436 4. _Substances which, with other Toxic Effects, behave like the Digitalins._ 562. Erythrophlein, 436 III. SAPONIN--SAPONIN SUBSTANCES. 563. The Varieties of Saponins, 436, 437 564. Properties of Saponin, 437 565. Effects of Saponin, 437, 438 566. Action on Man, 438 567. Separation of Saponin, 438, 439 568. Identification of Saponin, 439 DIVISION III.--CERTAIN POISONOUS ANHYDRIDES OF ORGANIC ACIDS. I. SANTONIN. 569. Properties of Santonin, 439, 440 570. Poisoning by Santonin, 440 571. Fatal Dose, 440 572. Effects on Animals, 440 573. Effects on Man--Yellow Vision, 440, 441 574. _Post-mortem_ Appearances, 441 575. Separation from the Contents of the Stomach, 441, 442 II. MEZEREON. 576. Cases of Poisoning by the Mezereon, 442 DIVISION IV.--VARIOUS VEGETABLE POISONOUS PRINCIPLES--NOT ADMITTING OF CLASSIFICATION UNDER THE PREVIOUS THREE DIVISIONS. I. ERGOT OF RYE. 577. Description of the Ergot Fungus, 442, 443 578. Chemical Constituents of Ergot--Ergotinine--_Ecboline_-- _Scleromucin_--Sclerotic Acid--Sclererythrin--Scleroidin-- Sclerocrystallin--Sphacelic Acid--Cornutin, 443-445 579. Detection of Ergot in Flour, 445 580. Pharmaceutical Preparations, 445 581. Dose, 446 582. Ergotism--Historical Notice of Various Outbreaks, 446, 447 583. Convulsive Form of Ergotism, 447 584. Gangrenous Form of Ergotism--The Wattisham Cases, 447, 448 585. Symptoms of Acute Poisoning by Ergot, 448 586. Physiological Action, as shown by Experiments on Animals, 448-450 587. Separation of the Active Principles of Ergot, 450 II. PICROTOXIN, THE ACTIVE PRINCIPLE OF THE _COCCULUS INDICUS_.