INDEX 



483 



Teeth, 352, 427 

 Telegraph, 139 

 Telephone, 170 

 Temperature, 62 

 Tendons, 345 

 Testa, 284 

 Tests for salts, 194 

 Tetanus, 449 

 Thermometer, 14, 60, 61 

 Thermos bottles, 56 

 Thermostat, 215 

 Thirst, 410 

 Thorax, 338, 373 

 Thunder, 134 

 Thunderstorms, 247 

 Tibia, 344 

 Tincture, 87 

 Tinder, 210 

 Tissue, 339, 396 

 Tobacco, 387, 406 

 Tonsils, 384 

 Tornadoes, 247, 248 

 Torricelli, 39 

 Touch, 409, 410 

 Toxins, 278, 428 

 Trachea, 354, 383, 384 

 Trade winds, 246 

 Translucent bodies, 151 

 Transparent bodies, 150 

 Traps and Hydrants, 209 

 Trichinae, 364 

 Trolley cars, 145 

 Trypsin, 360, 361 

 Tubercles, 55 

 Tuberculosis, 347, 440 



treatment of, 217 

 Turbines, 146 

 Turpentine, 203 

 Turtle, 328 

 Tympanum, 413 

 Typhoid, 437, 447 

 Typhoons, 249 



Ulna, 344 

 Umbra, 153 

 Units of length, 7, 9 

 Univalves, 320 

 Uric acid, 366 



Vaccination, 445 



Vacuum, 6, 20, 40, 67 



Vaporizer, 214 



Vaseline, 115 



Velocity, 22 



Vein, 372, 374 



Veins, of leaves, 285 



Ventilation, 217, 218, 219, 220 



Ventricle, 373 



Vertebrates, 325 



Villi, 357 



Vinegar, 188 



Vitreous humor, 417 



Voice, 385 



Volcanic conditions, 263 



Volta, 136 



Voltaic cell, 136 



Volume, 6, 7 



Voluntary action, 404 



VorticeUa, 314 



Washing, of clothing, 197 



powders, 201 



soda, 191 

 Water, 28, 232, 347 



hardness of, 79, 121 



composition of, 95 



electrolysis of, 95 



expansion, 266 



gas, 225 



hard, 200 



in house and town, 207 



in soil, 270 



occurrence of, 76 



purity of, 77 



Waters, natural, composition of, 77 

 Waterspouts, 248 

 Watt, James, 25, 228 

 Waves, 163 

 Waxes, 223 

 Weather, 232 



Bureau, 249 



forecast, 251 



Weathering of rocks, 264, 265 

 Weather maps, 251 

 Weather service in U. S., 249 

 Wedge, 174, 180 

 Weight, 4, 5, 10, 18 

 Weight, units of, 11, 12 



