Climate ought to modify food, 143. Appetite in warm climates, 28. Coagulation of milk and albumen by gastric juice, 100, 116. Cœcum, 178. Coffee, 209, 307, 312. Colon described, 178. Condiments, 150. Constitution, food ought to vary according to, 252. Susceptible of being greatly modified by regimen, 279. Consumption, pulmonary, how productive of leanness of the body, 167. Often the result of mismanagement of diet in childhood, 266, 276. Cornaro, 226. Costiveness, causes of, 159, 239, 326. How removable, 329. Cumberland, Richard, beneficial effects of his temperate habits, 299. Deffand, Madame de, quoted, 19. Deglutition of food, 55. Diet. See _Food_. _Meals._ Dietetics, principles of, viewed in relation to the laws of digestion, 187. Digestion vigorous and rapid in proportion to the quantity of nourishment required by the body, 22. Organs of, described, 58, _et seq._ Its wonderful power of reducing the most opposite varieties of food to the same substance, 58. Nervous energy essential to, 83, 296. Different theories of, 109. Is a chemico-vital process, 111. Conditions requisite for it-- 1. A sufficiency of gastric juice, 112; 2. A temperature of 98° or 100°, 119; and, 3. Gentle agitation of the contents of the stomach, 121. Aided by laughter and cheerfulness, 126. Ill performed when previous meal remains in stomach, 129. Comparative digestibility of different kinds of food, 133. Time required for digestion of the same article different in different states of the body, 136. Animal food more digestible than vegetable, 118, 138, 281, 283; and why, 140. A proper selection of food not the only requisite of good digestion, 188. Is the temperature of the stomach raised during digestion? 146. Vegetable food partly digested in the intestines, 180. Vigorous in youth, 272. Retarded by bodily or mental exertion immediately before or after eating, 288, _et seq._ Intellectual vivacity diminished while digestion is going on, 290, 296. Influence of the mind upon digestion, 296, _et seq._ Dinner, proper time for, 199. Necessity of early dinner-hours for children, 204. Fashionable late dinner-hours, 207. Relaxation necessary after dinner, 208. Time for dinner ought to vary with circumstances, 209. Second courses, 226. Drams at, 323. Dressmakers, an improvement in the regulation of their establishments suggested, 230.