Fans, plenum, 73 Fat soluble A, 240, 256 Fatigue, 59, 160 Fatigue, muscular, 161 Fats, 239, 255 Feces, 223 Feeding, 277 Fermentation, 31 Fibers, taut, 171 Fibrinous bronchitis, 343 Fibrinous casts, 343 Filter beds, 130 Filtration, 129 Filtration, mechanical, 128, 131 Fire escapes, 36, 37 Fire extinguishers, 36 Fireplace, 84, 85 Fireproofing, 36 Fire protection, 36 Fire-resisting, 36 Fixtures of bathroom, 37 Floors, 32, 33 Floors, construction of, 34 Floors, sanitary requirements, 33 Fluctuation of ground water, 30 Flushing tanks, 39 Fomites, 178 Fontanels, 293, 377 Fontanels, in cretinism, 293 Fontanels, in hydrocephalus, 293 Fontanels, in rachitis, 293 Food, adulteration of, 248 Foods, animal, 237 Food animals, 269 Food animals, care of, 269 Food assimilation, 374 Food, 231, 233 Balanced rations, 236 Carbohydrates, 239 Casein, 238 Chemical composition of, 238 Condiments, 239 Fats, 239 Function of, 238 Infection, 245, 246 Intoxication, 245, 248 Meat, unfit for, 269 Milk, 240 Necessity for, 231 Physical properties of, 338 Poisons, 245 Proteins, 238 Roughage, 237 Value of meat, 268 Vitamins, 237, 240 Foot tub, 37 Footings, foundation, 33 Forces, adaptative, 217 Foreign bodies in bronchi, 338 Symptoms, 339 Foreign bodies in larynx, 338 Symptoms, 339 Foreign bodies in the nose, 329 Foreign ingredients in water, 108 Formaldehyde, 208, 209, 210, 261 Formation, limestone, 123 Foul air, 68 Fouling of seal, 39 Foundation, 32 Footings, 33 Preparation of, 33 Fovea centralis, 96 Fresh air, 66 Fumigation, 209, 210 Function of foods, 238 Function of hygiene and sanitation, 15 Function of school life, 147 Functional activity, 186 Furnace heating, 88 Furniture of playroom, 282 Furniture of sleeping room, 282 G Games, competitive, 281 Systematic, 281 Garbage cans, 135 Gaseous disinfectants, 210 Gastric digestion, 357 Gastritis, 353 Catarrhal, 353 Chronic, 354 Corrosive, 353 Major adjustment, 353 Membranous, 353 Symptoms, 353 Ulcerative, 353 Gelatinoids, 267 Genital organs, irritation of, 387 Genito-urinary, 202 Germ, a scavenger, 189 Germ medium, milk a, 257 Germ theory, origin of, 195 Germicide, 208 Germs, 23, 196, 197 Germs, cause of dis-ease, 189 Diphtheria, 197 Do not cause dis-ease, 191 Non-pathogenic, 174 Pathogenic, 174 Glass blowers, 163 Glossitis, 356 Equation, 356 Family, 356 Major adjustment, 356 Glottis, edema of, 339 God of medicine, 13 Goddess of health, 13 Gonococcus, 389 Gray hepatization, 346 Green plants, 47 Grimace, 308 Ground air, 30 Ground water, 30, 113, 118, 121 Growth and development, 285 Growth, evidence of health, 285 Gums, 376