Chapter 25 of 26 · 3950 words · ~20 min read

Part 25

“Cause and Prevention of Decay in Teeth, the,” Wallace’s, 161

Cavendish lecture, Sir Frederick Treves’s, 140

Cell, a, determination of the metabolism of, 40

Cellulose, 117, 170

Cereals, 78, 84, 146

Ceylon, 128

Cheese, 43, 95; when indigestible, 100, 137

Chemical excitants, the, 268

—— secretion, 259

Chemistry, organic, 62

——, physical, 62

Chewing, length of time necessary for, xxxii

Chicken bone, 166

Chigin, Dr., experiments by, 214, 216, 282

Children, early feeding of, 130-132, 143; defective mastication in, 148; feeding of, 262

Children’s Aid Society, the, xxv, 68

Chimpanzee, the, 115

China, 82

Chittenden, Prof. R. H., conducting the experiments at Yale, xvii, 5; emphasises the want of exact knowledge of nutrition, 53, 67, 68; the Yale test, 69-91.

Chop bone, 166

Chyme, the, 346, 360, 362

Circulation, the, stimulated by mastication, 96, 103, 157

Cocoa-nut, 137

Coffee, 132

Cole, Sidney W., 47; his paper upon the isolation of the tryptophane element of the proteid molecule, 47

Colon, the, 363, 364; antiperistalsis in, 365-370; changes when food enters, 370, 371, 372; process of clearing, 373-377, 381, 382, 384, 387, 388

Comminution, 98, 100, 101

_Commonwealth_, the S. S., 69

Condiments, influence of, 261, 265

Constipation, cannot exist, 43

Constriction, waves of, 323, 340, 341

Cooked flesh, requires mastication, 97, 174

Cooking, influences vegetable more than mineral food, 118; effect of, 389, 391-396

Cornaro, Luigi, reformed manner of living of, ix; his autobiography, x, xvi, xvii; Dr. Van Someren’s paper upon his theory of living, 26-46; his treatise on the “Sure and

Certain Method of Attaining a Long and Healthful Life,” 28; Addison’s comments upon his work, 28, 92

Craving for food, 256

Cream, experiments with, 38-39, 43

Cuba, xiv, 70

Curr, E. M., 125, 129

D

Dastre, Dr. Prof. A., 67, 68

Day, experiments of, 337

Defecation, 373-377

Deglutition, Magendie’s theory of, 284, 285; movements of, 285; divided into three parts, 285; Falk’s and Kronecker’s theory of, 286; the X-ray method in the study of, 287-295; phenomena of œsophageal, 298-300

—— reflex, the, 287

Dental caries, causation of, 161

Dewey, Dr. Edward Hooker, and the “No Breakfast Plan,” 396, 397

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

Excess, habitual, confirmed by experiments, ix

Excrements. _See_ Digestion-ash, the

Excretia. _See_ Digestion-ash, the

Exercise, necessity of, xxix

F

Fæces, the, 374. _See also_ Digestion-ash

Falk, Dr., 284; theory of deglutition of, 286

Fallopius, on the functions of the stomach, 302

Farinaceous food, 395

Fasola, experiments of, 378

Fat, potatoes need not produce, 21, 78, 79, 80, 85, 86, 95, 98, 100; experiments upon, 271, 272, 274

Faucial tonsils, the, influence of mastication upon, 148

Fear, effect of, 388

Fearthought, 404

Featherman, 123

Fibrin, 276

Flesh food, reduction of craving for, 50

Fletcher, Horace, Dr. Van Someren’s comments upon the case of, 30-31; his experiments confirmed by Marckwald, 46; Sir Michael Foster’s comments, 48; the Cambridge tests, 49-52; the Middletown test, 54-55, 60; the Yale test, 75-91

Flour, 132, 392, 393, 395

Food, mal-assimilation of, x; length of time for chewing, xxxii; Dr. Kellogg’s estimate of amount habitually used, xxxiv; mouth-treatment of, 5; how to masticate and swallow, 8, 9, 31, 32; actual process of mastication described, 32-34; important bearing upon the economy of the body of its treatment in the mouth, 48-49; its function to supply material from which the body derives necessary energy, 72; any excess an incubus, 72-73; classified under three heads, 78; in excess, produces a large amount of unnecessary work, 80; its nutritive value determined by the thoroughness of its digestion, 79; softness of, 129; mastication tends to reduce amount of, 136; should be eaten with interest and enjoyment, 252; passionate craving for, 256; its nutritive value should be considered rather than taste, 261; the acid reaction of, 269; relative nutritive values of different, 275, 276; experiments upon the utilisation of, 275; effect of the movements of the stomach upon, 328; circulation of, 329; experimental investigation of the influence of mastication and cooking of, 389-396

Foster, Sir Michael, xxiv, xxv, 26; his note upon Dr. Van Someren’s paper, 48-52; emphasises the want of exact knowledge of nutrition, 52, 53, 67, 68, 91

Fowls, experiments upon, 299

Fruitarians, the, 90, 397

Fruit sugar, 169

Fruits, 43; under-ripe and over-ripe, 141, 395, 396; usefulness of, 397

Fubini, experiments of, 383

Fundus, the, 317, 322, 323, 324, 325, 330, 333, 334, 335, 336, 337, 340

G

Galen, on the functions of the stomach, 302

Gastric catarrh, 249

—— digestion, 309, 316

—— glands, the, 182; the vagus and the sympathetic nerves exciters of, 183, 198; mechanical and chemical stimulation of the cavity of the mouth has no effect on, 201; psychic excitation of, 205; sleep exercises no restraining influence upon, 206; the simultaneous excitation of the different sense organs the first and strongest impulse toward activity of, 210; psychic secretion the normal commencement of secretory activity on the part of, 214; conditions upon which depends the secretory work of, 227; mechanical stimulation of, 237, 245, 249, 271, 272, 274, 280

Gastric juice, the, appreciation necessary to stimulate flow of, 7; destroys micro-organisms, 41; its flow increased by mastication, 102, 146; secretion of, 181, 206, 208, 211, 213, 262; connection between the appetite and, 265, 266; experiments for, 267; too little, 270, 272, 273; salts of sodium promote a flow of, 277, 279, 280, 329, 334, 335, 337, 340, 341

—— mechanism, the, 385

—— movements, the, 301; early writings on subject of, 302; later experiments upon, 303, 327, 329, 338

—— mucous membrane, the, excitability of, 181, 231, 241, 249, 258, 259, 264

—— muscular fibres, the, 307

“Gastric tonics,” 255

Gastritis, inefficient mastication may produce, 138

Gastro-intestinal catarrh, 144

Gastronomic enjoyment, increased by proper mastication and insalivation, 22

Germany, food in, 267

Ginger, preserved, 141

Gladstone, William E., his theory of mastication, 92

Gland metabolism, 277

Glinski, Dr., 190, 194, 196, 197

Gluten, raw, 395

“Glutton or Epicure,” 26, 31, 92, 389, 396. _See also_ “New Glutton or Epicure, The”

Goose, the, experiments upon, 288

Goose-fat, 100

Gorilla, the, 115

Gran Chaco Indians, the, 123

Grape-sugar, chemically made from cane-sugar, 21, 169

Greens, 132

Grey, Sir George, 128

Griddle-cakes, need not be hurtful, 21

Griffin, Charles & Company, 180, 181

Grützner, experiments of, 278, 346, 363, 377, 378, 381

Gscheidlen, 235

Guinea-pigs, experiments upon, 39

Gum arabic, chewing, 103

Gustatory indifference, 263

—— nerves, the, 263, 269

Gut, the, 344, 345, 355, 360, 364, 365, 374

H

Hæmorrhoids, cannot exist, 43

Haller, experiments of, 304; his summary of the motor functions of the stomach, 304-305, 309

Harvard Medical School, 68

—— Physiological Laboratory, the, 284

Haste, danger of, 134-135

Headache, produced by inefficient mastication, 138

Health, the optimum, xxxi

Hearing, the sense of, 210

Heart, the, stimulated by mastication, 96, 103, 281

Heartburn, 144

Heat values, 397

Heger, Dr. Prof. Paul, 67, 68

Heidenhain, 181, 182, 183, 235

Herbivora, the, practice thorough mastication, 97

Higgins, Dr. Hubert, letter from, xxvii-xxxiii, 47

Hirsch, experiments of, 305, 315

Hofmeister, experiments of, 305, 308, 309, 310, 311, 313, 314, 326, 327, 332

Hopkins, Dr. F. Gowland, 26; his paper upon the isolation of the tryptophane element of the proteid molecule, 47

_Hors d’œuvre_, 266

Horse, the, experiments upon, 293, 294, 300

Hospital Corps, the, at New Haven, xiii, 70

Hunger, 241; “the best sauce,” 254

Hyperacidity, 145

Hyperæmia, 345

Hyperchlorhydria, 144, 147

I

“Igniting juice,” 260

Ignorance, dietic, sin of, xvii

Ileocæcal valve, the, 355, 362; the competence of, 362-364, 367, 370, 376, 381, 387, 388

Ileum, the, 363, 364, 367, 370, 382, 387

India, 82, 128

Indians of Honduras, the, 124

—— of Nicaragua, the, 124

—— of North California, the, 122, 126

Indigestion, x; dangers of, xv; caused by anger and worry, 7; “bunching hits” to oppose, 13-16

Indol, the odourous, 47

Industries, the, mastication in, 124

Infant life, action of saliva in, 36

Innervation mechanism, an, constituent parts of, 184

Insalivation, defined, 8, 22; increases gastronomic enjoyment, 22, 46, 48; its striking effect upon appetite, 50, 60; effects of, 74, 89, 92, 93, 96; mastication promotes, 101

Insane, the, forced feeding of, 268

Instinct, human, the outcome of every-day experience, 251; physiology merely confirms the precepts of, 251; provisions for digestion made by, 267; demands of, 272

Intemperance, 95

International Congress of Physiologists, the, 26, 48, 56, 68, 91

—— Laboratory of Research, the, proposal to found, 55-69; suggestions as to staff and personnel, 62; estimate of initial outlay, 63; suggestions as to location, 63; suggestions as to management, 66

Intestinal anæmia, 345

—— canal, the, 39, 346

—— contents, the, rhythmic segmentation of, 347-355, 386

—— digestive juices, the, 361

—— mechanism, the, 385

—— movements, difficulties of investigating, 342; the best known of, 343

—— secretion, 61

—— wall, the, 344, 381, 386

Intestine, the large, activity of, 343; movements of, 364-377, 379, 386, 387, 388

——, the small, 343, 346; the movements of, 347-362, 366; course of food in, 360-362, 365, 367, 369, 378, 381, 383, 385, 386, 387, 388

——, the, action of the bacteria in, 39; micro-organic action in, 40, 80, 92; much more sensitive than the stomach, 139, 301, 317, 328, 337, 341; studied by means of the Röntgen rays, 342-388, 395

J

Jaffa, Professor, 90; and the fruitarians, 397

Japan, 82

Jaws, the, mastication stimulates the nutrition of, 96, 103, 155; influence of mastication upon, 109, 148; changes during man’s evolution in, 115-121; instances of vigorous use, 122

Johns Hopkins University, 68

“Journal of Physiology, The” (American), 284, 301, 342

—— (English), 47

K

Kais Root, 123

Kane, Dr., 125

Kara, 124

Katabolic action, 41

Katabolism, 95

Kellogg, Dr. J. H., xxvii; letter from, xxxiii-xxxv; his estimate of amount of food habitually used, xxxiv; tribute to, 391; his experimental investigation of the influence of mastication and cooking of food, 391-396

—— Mrs. J. H., 389; tribute to, 391

Kelp, 122

Kotljar, experiment by, 217

Kreuznach, 46

Kronecker, Dr. Prof. Hugo, 67, 68, 284, 285; theory of deglutition of, 286

Kumagawa, experiments of, 81

_Kwas_, 267, 269, 270

L

Lactic acid, prepared in the stomach, 269, 393, 394

“Lancet, The,” 8, 26, 31; Dr. Campbell’s articles from, 92-179, 145

Lard, 272

Laws of Nature, health, strength, and moral tone dependent upon proper fulfilment of, 73

Leonardi, Dr. Professor, 26

Life, right conduct of, xiii; the essentials and sequence in, 399

Lippincott, J. B. & Company, 180, 181

Liqueurs, 266

Liquids, how to treat, 9, 34, 93, 94, 95

Lobassoff, Dr., experiments by, 217, 218, 220, 222, 226

Lobster, 137, 141

London, 65

Lower Californians, the, 123

Ludwig, experiments of, 342

Lumen, the, 374

Lymph, influence of the contraction of the masticatory muscles on local circulation of, 107, 148, 149, 355

M

Macaroni, 132

—— cheese, 100

Mackerel, 141

Madrid, 69

Magendie, theory of deglutition of, 284

Maize, chewed, 124

Mal-assimilation, of nutriment, x, xxi; “bunching bits” to oppose, 13-16; dangers of, 24, 35

Malay, 128

Mall, experiments of, 343, 345, 354, 378

Mal-nutrition, causes of, xxi, 35

“Malt extracts,” 102

Maltose, starch turned into, 101, 170, 392, 393

Man, the First Assistant of Nature, xi; his disparity due to ignorance, xii; absurdity of his ignorance, 4, 23; experiments upon, 300; by nature a frugivorous animal, 395

Maple sugar, 84

Marckwald, Max, paper “On Digestion of Milk in the Stomach of Full-grown Dogs,” 46

Masticate, how to, 19

Mastication, inefficient, causation of, 129; must lead to many evils, 129; evils resulting from, 135; conduces to excessive eating, 135; may cause suffocation, 137; may produce gastritis, 138; excess of starch may pass into stomach because of, 141; prevents a sufficient amount of alkali to pass into the stomach, 146; causes evils with the jaws and their appendages and the adjacent structures, 148; responsible for adenoids, 148-152; a potent cause of Rigg’s disease, 159; secondary evils of, 164, 394

——, proper, increases gastronomic enjoyment, 22, 46, 48, 60; effects of, 74, 89; Dr. Campbell’s observations upon, 96-173; the effects of, 96; primary object of, 96; promotes flow of saliva, 96, 101; stimulates the heart and circulation, 96, 103; influences the nutrition of the jaws, 96, 103; facilitates swallowing, 97; brings the food into intimate contact with the digestive juices, 98; increases amount of alkaline saliva passing into the stomach, 96, 102; acts reflexly upon the stomach, 102; the muscles of, 104; its influence upon the jaw-bones, 109; its influence upon the teeth, 110; in the preparation of beverages, 123; in the industries, 124; the instinct of, 126; the causation of inefficient, 129; less opportunity than formerly for, 130-133; defective apparatus for, 133; affected by individual differences, 134; tends to diminish amount of food consumed, 136; most effective way to secure starch digestion, 145; effect upon the nasal passages, naso-pharynx, and faucial tonsils, 148; fast becoming a lost art, 157; means of insuring adequate, 164, 389; experimental investigation of the influence of, 391

Masticatory instinct, the, 126-129

—— muscles, the, 104; influence of their contraction on local circulation of blood and lymph, 107, 148

Matri, 128

Meadville, Penn., 396

Measles, 149

Meat, 78

—— broth, 266; an important chemical excitant of gastric secretion, 266, 267

—— extract, 268

—— juice, 268

Mechanical stimulus, great importance assigned to, 257

Medical practice, largely based upon empiricism, 52

—— science, not possessed of final information concerning questions of nutrition, 52

Medicine, ideal only when it can take its proper position, 249; physiology can make no pretence to guide the field of, 251; to what it will at length grow, 251; treats too lightly the loss of appetite, 256

Melanesia, 128

Melanesians, the, 120

Meltzer, Dr., 284; experiments of, 294, 296, 297, 298

Mendel, Dr. Lafayette B., 69

Mendel Pass, _bei_ Bozen, Süd Tirol, Austria, experiments at, 26

Mental energy, 41

—— state, 12; its effect upon digestion and nutrition, 74

Menticulture, physical and mental equipments necessary to promote, 7

“Menticulture,” xxi, xxiv

Metabolism, 37; determination of, 40; calorimetric trial-balance measurement of, 54

Micro-organisms, 40; destroyed by acid gastric juices, 41

Middletown, Conn., experiments at, 54

Milk, how to drink, 9; experiments in drinking, 36, 38-39, 78, 84, 93, 94, 268; takes a special position among foods, 272; the three properties of, 273; its relation to the secretion of the digestive juices, 274, 275, 276, 277

—— pudding, 97, 143, 172

“Modern Medicine,” 389, 391

Modoc Indians, the, 123

Moist foods, 97

Moritz, experiments of, 324, 328, 332

Mosso, Dr. Prof. Angelo, 67, 68, 284, 285

Mouth, the, should do all it can, 93, 180; examination of, 174-179; rinsing, 179; mechanical and chemical stimulation of the cavity of, 201, 285, 286

—— breathing, evils of, 151-153

—— discrimination, 94

—— thoroughness, 8

—— treatment, of food, 5, 12, 92; a preliminary necessity of easy digestion, 180, 389

Mucosa, the, 343, 355

Mucous membrane, the, 346

Munich, 56, 76, 81

Muster, 128

Mutton, 100

N

Nansen, J. F., 123 [36] Napoleon, died from fast eating, 138

Nasal passages, the, effect of mastication upon, 148

Naso-pharyngitis, 144, 148, 149

Naso-pharynx, the, influence of mastication upon, 148

National Academy of Sciences, the, contribute to fund for research, 69

Natural Automatic Processes, 3, 180

Nature, plan of evolution of, xi; Man the First Assistant of, xi; her reward for conformity with her requirements, xii; her generous assumption of forty-seven forty-eighths of labour, 5, 12; given an opportunity by economic nutrition, 22; her plans perfect if her laws are obeyed, 29; never intended a special diet or bottle of medicine, 30; endeavours to prepare lactic acid in the stomach, 269

Negritos, the, 118

Negroes, the African, 120

Nerve cells, the, specific qualities of, 187

—— fibres, 184

Nervous system, the, influence upon the glands of, 183

Neutralisation, 92

“New Glutton or Epicure,” the, xxviii, 47. _See_ also “Glutton or Epicure”

New Guinea, 124

New Haven (Conn.), scientific experiments at, xiii, 54, 71. _See_ Yale investigation, the, and Yale test, the

Nitrogen, 85, 86

Nitrogenous equilibrium, 86

—— measurements, tests of, 26

“No Breakfast Plan,” the, 396

Nothnagel, experiments of, 343, 345

Northwest London Hospital, the, 8, 92

Nutarians, 90

Nutrient enemata, 367, 379, 380, 382, 388

—— fluid, 381

Nutriment, selection of, 7

Nutrition, economic, experiments upon problem of, ix, x, 48-52;

## active interest now taken in, x;

the financial saving the least of the profits in, xi; the key to England’s welfare, xxv; attitude of the scientific mind towards, xxvii; little accurate knowledge concerning, xxx; psychology of, 6-7; appetite the most important factor in, 6; mechanical and chemical physiology of, 8; its entire principle simple and practical, 19; does not advise avoiding starchy foods for stout people, 21; assures that the same food will add or decrease weight, 21; keeps one in perfect condition, 22; its requirements not hardships but pleasures, 22; not a joke or fad, 24; an appeal to self-examination and self-instruction, 24, 25; first scientific recognition of principles of, 26; medical science not possessed of final information concerning questions of, 52; plan for institution of an international inquiry into the subject of, 53-55; proposed to found an international laboratory of research for the study of, 55-68; no question of greater importance, 72; poverty and vice traced to perversion of, 73; great need of thorough physiological study of, 74; effect of the mental state upon, 74

Nutrition, animal, 56, 57, 58

Nutritive equilibrium, 37; experiments in, 37-39

Nuts, 141, 173; usefulness of, 397

Nuttall, Dr. George H. F., 26, 39, 47

O

Œsophagus, the, may protect the stomach, 139, 192, 285, 286, 289, 291, 292, 297, 299, 300, 303, 304, 307, 316, 325, 326, 336, 341

Openchowski, experiments of, 305, 325

Orang, the, 115

Oranges, 169

O’Reilly, Surgeon-General, xvii, 69, 70

Ozawa, Professor, 55

P

Pabulum, the, derivation of, 40, 41

Pacific Islands, the, 124

Padua, Italy, 28

Palate, the, “the dietetic conscience,” 75

Pancreas, the, excited by the vagus and the sympathetic nerves, 183, 270; special relations of acids to, 270, 271, 273, 274, 279

Pancreatic digestion, 395

—— gland, the, 269, 270, 271, 280

—— juice, the, experiments for, 267, 270, 273, 279, 360, 395

Paris, 56, 65

Pastry, 132, 172

Patagonians, the, 128

Pathology, 249

Pavia, University of, 26

Pawlow, Dr. Prof. J. P., 6, 7, 12; researches of, 61, 67, 68; his demonstrations of psychic influence in digestion, 180-283

Peas, 132

_Pendelbewegung_, the, 342

Pendulum movement, the, 358-360

Penegal, xxxiii

Peptic digestion, 318, 335

Peristalsis, 327, 330, 333, 337, 340, 343, 344, 346, 348, 355-357, 361, 365, 377, 378, 383, 384, 386, 388

Peristaltic wave, the, 343, 353, 365

Pflüger’s Archives, 182

Pharynx, the, 285, 286, 290, 298

Philippines, the, 69

Physicians, most of them called on to restore appetite, 254; their indifference to appetite, 257; in Russia, 260; should bear in mind the question of psychic secretion, 261

Physiology, applied, 251

Pine-apple, 141

Pitcherie, chewing, 129

Polynesia, 128

Poorer classes, the, appetite stronger among, 253; food of, 266, 267

“Popular Science Monthly, The,” xxxiii, 53; Professor Chittenden’s article in, 69-91

Pork, 100, 141

Porridge, 97, 143, 172, 270

Potato, made digestible by saliva, 20; if masticated, need not produce fat, 21; experiments with, 38, 102; yields abundant sugar by long-continued mastication, 142, 146

Potatoes, boiled, 143, 172

Poverty, traced to perversion of nutrition, 73

Proteid, demanded by the appetite, xxxii; the putrid decomposition of, 47; minimum amount of, 74, 78, 79; Asiatics consume smaller proportion of, 82, 83, 85, 98, 100, 272, 394

——, the high, xxxii, xxxiii

——, the low, xxxi, xxxii, xxxiii

—— digestion, perfect, 394, 395

—— molecule, the, isolation of the tryptophane element of, 47

Physiology, experimental, 249; can make no pretence to guide the field of medicine, 251; merely confirms the precepts of instinct, 251

Psychic environment, 12

—— excitation, 259

—— influence, in digestion, 180-283

—— juice, the, 213, 257, 267

—— secretion, 261

—— stimulation, 249

Pultaceous foods, 95, 97

Pyloric sphincter, the, movements of, 314

Pylorus, the, stands guard over the intestines, 139, 141; observations of Fallopius upon, 302; ideas of early writers concerning, 303; later experiments, 304, 307, 308, 315, 316, 317, 325, 326, 328, 330, 331, 332, 333, 340, 341, 360

R

Rabbit, the, experiments upon, 344, 359, 371

Rage, effect of, 388

Raiser, experiments of, 359, 371

Rectal injections, stimulating effect on movements of small intestine of, 367

Rectum, the, 374, 379, 382

Reed, Dr. Major Walter (martyr to science), 70

Regina Margherita Laboratory, the, summit Monte Rosa, 64, 68

Regurgitation, 35

Rhinitis, 144, 148, 149

Rhythmic segmentation, of the intestinal contents, 347-355, 358, 360, 362, 383, 386

Rice, 82, 132

Rickets, 144

Rigg’s disease, 159, 163

Rjasanzew, Professor, experiments of, 275

Roberts, Sir William, 75, 147

Rockefeller, John D., xxxv

—— Institute of Preventive Medicine, the, 68

_Rollbewegung_, 345

Röntgen rays, the, Dr. Cannon’s studies with, 180, 284, 287-300, 301-341, 342-388

Roosevelt, President Theodore, 70

Root, Secretary of War, Elihu, 70

Rosa, Monte, 64, 68

Rossbach, experiments of, 305, 309, 311, 313, 314

Roux, experiments of, 314, 315, 327, 328

Royal Society, the, 68

Rumination, 35, 98

Russell, Dr. William, 145

Russia, physicians in, 260; food in, 267, 272

Russian Imperial Military School of Medicine, the, 68

—— peasant, the, 270

S

Sabbatani, experiments of, 378

St. Martin, Alexis, investigations on, 305, 309