Stomach, peculiar to animals, 6. By what state of it is hunger excited?, 17. Its sympathy with the rest of the body, 18, _et seq._ Described, 63, _et seq._ Stomach in the lowest class of animals, 63. In man, 65. Various in size, according to quantity and quality of food, 67. Stomach of ruminating animals described, 68. Coats of the stomach--external, 72; muscular, 72; and mucous or villous, 74. Its muscular action, 73. Its bloodvessels and follicles, 76. Its sanguineous circulation increased during digestion, 78. Its power of absorbing fluids, 38, 79, 117, 140, 195. Its nerves, 21, 79. Contracts when each morsel is introduced, 122. Its motion during digestion, 124. Is its temperature then increased?, 146. Contains no bile in the healthy state, 175. Sensibility of the, a sign of disease, 85. Numerous diseases unjustly laid to its charge, 241. Study before breakfast, 193, 196. After meals, 297. See _Literary Men_. Suckling of infants, 233, 256. Supper, in what cases proper, 211. Swallowing, process of, 55. Sympathetic nerve, 84. Tartar on the teeth, 46. Tasso, his genius precocious, 270. Taste, error of confounding it with appetite, 33. Its gratification proper, 51. Tea, 209, 307, 312. Teeth described, 43. Modified in different animals to suit their habits of life, 42. Milk-teeth, 44. Changes of the condition of the teeth indicate the propriety of certain kinds of diet, 45, 256. Necessity of keeping them clean, 46. Impaired by indigestion, 47. Sudden changes of temperature hurtful to them, 48. Temperaments, different, require different kinds and quantities of food, 252. May be greatly modified by regimen, 279. Temperance in eating may be carried too far, 250. Temperance Societies, 319. Temperature necessary for digestion, 119. Whether that of the stomach is thereby increased, 146. That of drinks considered, 308. Thinking, intense, impedes digestion, 296. Thirst necessary as a warning when drink is required by the system, 10, 36, 304. Nature of, 12, 36. Greatest when body in need of liquid nourishment, 36. Varies in intensity according to nature of the food, 37. Consequences of its craving not being gratified, 37. See _Drink_. Thoracic duct, 62, 166. Time in which the digestion of an article is effected varies with circumstances, 136. Times of eating, 188. Tobacco allays hunger, 15. Tooth-powders, 46. Travelling before breakfast frequently improper, 106. Diet in travelling, 216. Trituration, digestion not effected by, 110.