Sterilization, 207, 212 Stomatitis, 355 Equation, 356 Family, 356 Major adjustment, 356 Stone, 36 Stool, 37 In intussusception, 368 Normal, 366 Stooped shoulders, 160 Storm sewers, 39 Stove, 86 Strabismus, 308 Street sewer, 39 Stridulus, laryngismus, 333 Stupor, 374 Subsoil water, 113, 118, 121 Suction fans, 73 Sulphur dioxide, 209 Sulphuric acid, 49 Sunlight, 98, 128 Supplemental air, 65 Supply, water, 146 Suppurative nephritis, 339 Surface water, 113, 114, 117 Sutures, 292 Sweat glands, 58 Swimming pools, 132 Symbiosis, 175 System, respiratory, 327 Systematic games, 281 Systems of heating, 83 Systems of lighting, 101 T Table of heights, 288 Table of weight, 288 Tactile sensibility, 290 Tænia saginata, larva of, 270 Tapeworm, 270 Taste, 291 Taut fibers, 171 Technique, 323 Teeth, 301 Teeth, hygiene of, 301 Temperature, 62 Artificially high, 163 Bodily, 58 Of buildings, 82 Of playroom, 282 Tempering coils, 75 Temporary hardness of water, 110 Temporary strabismus, 290 Terra-cotta, 34, 36 Tetanus, 207, 212 Tetanus in infants, 389 Equation, 390 Family, 390 Major adjustment, 390 Symptoms, 389 Theories of immunity, 182 Thorax, shape of, 294 Deformities of, 295 Infants, 340 Three viewpoints on hygiene, 19 Thymus gland, 382 Tidal air, 65 Tile, 31, 34 Toilets, 147 Tongue, tactile sensibility of, 290 Tonic spasm, 381, 389 Toothache, 302 Top cover, 222 Touch, 290 Toxemia, 177 Transfer, modes of, 199 Trap, 37, 38, 39 Trichinosis, 270 Trismus, 389 Tubercular laryngitis, 337 Tubercular ridge, 317 Tuberculosis, 166 Tumors, cerebral, 382 Turbid water, 110 Tympanites, 359, 368 Typhoid fever, 173 U Under drains, 39 Underground water, 121 Unsanitary dairy barn, 259 Urine, 223 Excessive quantity of, 386 Highly acid, 386 Odor of, 18 V Vacuum, 69, 164 Vacuum system, 73 Value of sunlight, 98 Various theories of immunity, 185 Vent pipe, 39 Ventilating system, 67 Ventilation, 66 Air space per capita, 70 Breathing zone, 72 Defined, 65 Means of, 69 Mechanical, 72 Natural means of, 69 Of hall and stairways, 30 Of playroom, 282 Plenum, system of, 69, 73 Schoolroom, 143 Sick room, 221 Sleeping room, 282 Tempering coils, 75 Vacuum, system of, 69, 73 Washing the air, 73 Water curtain, 75 Ventilators, 282 Vertical currents, 117 Visual analysis, 309 Vital resistance, 187 Vitamin, 240, 256 Vitamin antineurotic, 241 Vitiated air, 70, 143 Vitiation, 67 Vitreous humor, 96 Volume of air inspired, expired, 65 Vomiting, 363 Cyclic, 365 Major adjustment, 365 Obstructive, 364 Periodical, 365 Recurrent, 365 Symptoms, 365 W