385. Nux Vomica--Characteristics of the Entire and of the Powdered Seed, 319 386. Chemical Composition of Nux Vomica, 319 387. Strychnine--Microscopical Appearances--Properties--Medicinal Preparations--Strychnine Salts, 319-322 388. Pharmaceutical and other Preparations of Nux Vomica, with Suggestions for their Valuation--Vermin-Killers, 322-324 389. Statistics, 324-325 390. Fatal Dose--Falck’s Experiments on Animals as to the Least Fatal Dose--Least Fatal Dose for Man, 325-328 391. Action on Animals--Frogs, 328, 329 392. Effects on Man--Symptoms--Distinction between “Disease Tetanus” and “Strychnos Tetanus,” 329-331 393. Diagnosis of Strychnine Poisoning, 331, 332 394. Physiological Action--Richet’s Experiments--The Rise of Temperature--Effect on the Blood-Pressure, 332, 333 395. _Post-mortem_ Appearances, 333 396. Treatment, 333 397. Separation of Strychnine from Organic Matters--Separation from the Urine, Blood, and Tissues, 334-337 398. Identification of the Alkaloid--Colour Tests--Physiological Tests, 337-339 399. Hypaphorine, 339 400. Quantitative Estimation of Strychnine, 339, 340 401. Brucine; its Properties, 340, 341 402. Physiological Action of Brucine--Experiments of Falck, 341, 342 403. Tests for Brucine, 342, 343 404. Igasurine, 344 405. Strychnic Acid, 344 2. _The Quebracho Group of Alkaloids._ 406. The Alkaloids of Quebracho--Aspidospermine--Quebrachine, 344 3. _Pereirine._ 407. Pereirine, 344, 345 4. _Gelsemine._ 408. Properties of Gelsemine, 345 409. Fatal Dose of Gelsemine, 345 410. Effects on Animals--Physiological Action, 345 411. Effects of Gelsemine on Man, 346 412. Extraction from Organic Matters, or the Tissues of the Body, 347 5. _Cocaine._