Meals, at what times and after what intervals they ought to be taken, 187, _et seq._ Relaxation necessary after them, 208. Principles on which their times and number ought to be fixed, 213. Conduct proper before and after meals, 288. Inaptitude for bodily and mental exertion after them, 290. Rest and tranquillity then necessary, 291. Whether drink is proper during meals, 306. French Meals, 210. See _Food_. _Eating._ Meconium, 238. Menstruation ceases during pregnancy and suckling, 262. Mesenteric glands, 166. Mesentery, 157. Mesocolon, 158. Milk, coagulated in the stomach by the gastric juice, 100, 116. Digested with ease, 139. The natural food of infants, 237, 256. Causes of its vitiation in mothers, 259. Milliners, an improvement in the management of their establishments suggested, 230. Mind, its influence on appetite for food, 16. Deteriorated by defective nutrition, 249. Its efficiency depends on the health of the body, 106, 126. Ought to rest during digestion, 291. Its influence on digestion, 296, _et seq._ Mirth promotes digestion, 126, 297. Mixtures of food, whether prejudicial, 226. Montègre’s opinion of the use of the saliva, 54, 99. Morning, exposure before breakfast often dangerous, 194. Vigour of the system then least, 198. Mortality of children, 233. Mortality greatest among the poor, 248. Mothers generally ignorant of the rational mode of treating children, 232. Their duties in relation to suckling, 258. Mucous or villous coat of the stomach, 74; and intestines, 160, 172. Muscular coat of the stomach, 72; and intestines, 158. Muscular exercise. See _Exercise_. Mutilation of animals, unsatisfactory nature of experiments so made, 82. Napoleon not a bright schoolboy, 270. Narcotics allay hunger, 14, 15. Nerves of the stomach, 21, 79. Of the bowels, 169. Nervous energy essential to digestion, 83, 296. Newton, Sir Isaac, a dull schoolboy, 270. Nursing of children, 233, _et seq._ 256. Nurses ought not to be overfed, 260. Nutrition required to repair waste of substance in living beings, 5. See _Food_. Œsophagus, 55. Operatives ought not to resume work immediately after meals, 298. Opium allays hunger, 15. Pancreas, and pancreatic juice, 62, 176. Paris, Dr, an opinion of his controverted, 137. Pastry not easily digestible, 285. Periodicity of appetite, 189. Peristaltic motion of the bowels, 158, 179, 330. Peritoneum, 72, 156. Perspiration affects the other secretions, 325. Philip, Dr Wilson, an opinion of his controverted, 128. Pneumogastric nerve, 80.