Self-control, 229, 230 difficulty of, 229 standards aimed at, 229 training in, 230 Semiconstipation, 102 Senility, causes of, 133 Sewing, hygienic precautions in, 212, 213 Shoe, 275-277 compression of foot by, 275 flat heels, 276 French heels, 277 awkward gait due to, 277, 339 deformities caused by, 277 injurious effects of, 277 proper length of, 276 soles of, 276 Shoulder-blade exercises, 345 Shoulders, round, and inequality of height of, 342 causes of, 342 corrective exercises for, 345, 346 Sims’ position described, 53 Skin, absorption through, 28 care of, 57-69 description of, 24, 25 diseases, acne, 65 eczema, 65 treatment of, 66 functions of, 25 respiration through, 28 rôle played in maintaining body temperature, 26 sebaceous glands, 25 sweat glands, 25 perspiration, daily amount of, 26 temperature of, 31 tone of, 25 Skirt, walking, 202-204 Sleep, 202-204 amount necessary, 196, 203 dreamless, 204 favorable conditions for, 204 habits of, 198, 203 physiologic necessity for, 185, 192, 193, 203 Sleepiness, causes of, 203 Soap, 58 castile, 61 sand, 61 tincture of green, 73 Social instincts, 226 at school age, 226 right training of, 241 Sore throat, prevention of, 160 treatment of, 160, 161 Spinal cord center of reflex acts, 187 curvature, 309 causes of, 164, 342, 343 general treatment for, 343 Spine, muscles of, exercises for strengthening, 347 Spirometer, 148 Sponge as article of toilet, 33 Spray apparatus, description of, 160 liquids for, 161 oil, formula for, 161 Standing, common defects in, 340 correct attitude in, 340 Steapsin, 94 Stocking supporters, 278 Stockings, evils of short, 277 Stomach, chemical changes in food in, 89 description of, 89 location of, 89 Street dress, winter, 282 Styes, treatment of, 215 Success defined, 249 elements of, 249 lack of, 250 mental condition and, 250 psychology of, 249-251 Succus entericus, 94 Sugar, absorption of, in intestines, 95 Sunlight, action on respiration, 149 on tubercle bacillus, 151 Swimming, 365-368 contraindications to, 368 exercises, 351 pool, temperature of, 326 rules for, 366-368 Swift, Prof., theories regarding children, 228, 233 fighting among boys, 233 Tea, effect of, on digestion, 119 proper way to make, 120 Teeth, 82 care of, 82, 83 cleansing of, 83 tartar, 83 tooth-brush, 83 Temperament, 225, 226 arthritic, 226 nervous, 225 temptations of, 226 phlegmatic, 226 Temperature for house, 155 normal body, 27, 28 how maintained, 28 mouth, 28 rectum, 28 surface, 31 Thomas, Prof., on effect of idleness, 248 on necessity of definite vocation, 249