De Witt, Assistant Surgeon, Lieut. Wallace, in command of soldiers in the Yale investigation, xiii, 70 Dextrine, 170, 171, 392, 393, 395 Diaphragm, the, 324, 326 Diet, best manner and system of, xiii; the optimum, xxxi; minimum, 74; the anthropoid stage, 116; the pre-cooking human stage, 117; the pre-agricultural cooking period, 118; the early agricultural age, 119; the late agricultural period, 120; for children, 130-132; relationship between appendicitis and, 141 Dietary Ten Commandments, 5 Dietetics, precepts of, 272 Digestion, appetite the most important factor in, 6; the true chemical end-point of, 10-11; effect of the mental state upon, 74, 145; psychic influence in, 180; the phenomena in, 251; thorough mouth-work as an aid to, 389 Digestion-ash, the, what it should be like, 10-11, 14; should not be unclean, 24; in experiments, 38-39, 42, 43, 47, 51, 79, 83, 84, 85, 94 Digestive activity, stopped by anger and worry, 7 —— canal, the. _See_ Alimentary canal, the —— glands, the, analogy between the innervation mechanism of the salivary glands and, 188-190; appetite the strongest of all stimuli to, 263, 280, 282 —— juices, the, 7; appreciation necessary to stimulate flow of, 7, 12, 96; mastication brings the food into intimate contact with, 98; quantity of, 267; relation of milk to the secretion of, 274, 383, 386 Digitalis, 281 Diphtheria, 149 Disease, caused by indiscretions in eating, x, xxxi; follows disobedience, 29 Disobedience, disease follows, 29 Distention, 144 Distress, effect of, 388 Dog, the experiments upon, 181, 194-211, 212-246, 249, 254, 258, 263, 279, 280, 285, 292, 293, 297, 298, 299, 303, 310, 311, 313, 314, 315, 336, 344 Dolomites, the, 26 Drinking, too much, xix, 95 Dry food, 97 Dunn, Miss Eva, 122 Duodenum, the, 303, 315, 356, 360 Dyspepsia, dangers of, xv; might cease to exist, 35 E Eat, how to, 19 Eating, too much, ix; indiscretions of, x, xix, xxix, 29, 95, 135; too fast, 20; systematic inattention to, 259, 260; English have made a cult of, 261 Economic nutrition. _See_ Nutrition, economic Efferent nerves, 184, 185 Efficiency, human, the measure of, xxx; research into causes for, 54 Eggs, experiments with, 38, 43, 78, 95, 100, 137, 277 “Encyclopædia Britannica,” the, 27 Enemata, the, 367, 379, 380, 388 Energy, the minimum transformation of, 59 ——, potential, 59 Engine, an, the body considered as, 4, 23 English, the, have made a cult of the art of eating, 261 Emetic, an, 325 Emotion, inhibition of stomach movements during, 337; effect of, 383-384, 388 Empiricism, medical practice largely based upon, 52 Esquimaux, the, 118, 123, 125, 126 Esselmont, experiments of, 383 Evolution, Nature’s plan of, xi Ewald, experiments of, 313, 314