219-221. How is opium obtained? What is its physiological effect? Which form of using it is most injurious? Can one give up the use of opium when he pleases? How do people sometimes take opium without knowing it? 221. What is the harmful influence of chloral hydrate? Describe its different physiological effects. 222. Compare its influence with that of alcohol. How is chloroform obtained? Does its use require great caution? Illustrate its effects. 223, 224. What is cocaine? What is its value? Its physiological effect? Its dangers? 331-333. What is the effect of extreme anger? Give the physiological explanation of this deterioration. What two organs particularly suffer? Illustrate. To what cause are many suicides referable? How can one secure a calm and tranquil life? What is the effect of forcing the brain in childhood? 334. Illustrate. How should a child be taught? 334, 335. Why should we not exhaust our energies to the last degree? What warnings does Nature give us? Do stimulants supply force? What is the effect of mental exhaustion? Which is the most common, overwork or worry? Most dangerous? What is worry? Its effect? What other causes often induce insanity? 336-338. State some curiosities of sleep. Some conditions necessary to sound and healthful slumber. How may we acquire the habit of early rising? 338, 339. Give some of the results of dungeon life. 339-347. What can you say of the growth and power of poison habits? Illustrate. How does physiological ignorance often cause intemperance? What is the usual result of a stimulant habit? In what virtue lies the peril of narcotics? Balance the good and the evil in their use. Illustrate how death often results from chloroform and chloral. What common result is worse than death? Compare the demoralization in the cases of the opium user and the alcohol drinker. What principle of heredity attaches to the use of opium? Give instances of deaths from tobacco, opium, etc. What can you say of cigarette smoking? Chloral hydrate? The bromides? Absinthe? Hasheesh? THE SPECIAL SENSES.