False albuminuria, 70 Fat in feces, 241 in milk, estimation, 279 needles in sputum, 30 Fat-droplets in urine, 131 Fat-globules in urine, 109 Fatty casts in urine, 117 Favus, 277 Feces, 235 amoeba coli in, 235 animal parasites in, 238 bacillus tuberculosis in, 242 bacteria in, 241 stains for, 242 bile in, 239 blood in, 238, 241 Boas-Oppler bacilli in, 242 calculi in, 238 chemic examination of, 238 color, 236 concretions in, 238 consistence, 236 crystals in, 243 detection of occult hemorrhage, 239 enteroliths in, 238 epithelial cells in, 241 erythrocytes in, 241 examination of, 235 chemic, 238 macroscopic, 236 microscopic, 239 specimen for, 235 fat in, 241 food particles in, 240 form, 236 frequency of passage, 236 gall-stones in, 238 macroscopic examination, 236 microscopic examination, 239 milk curds in, 241 mucus in, 237 muscle-fibers in, 240 normal, 235, 240 odor, 237 parasites in, animal, 238 ova of, 243 pus-corpuscles in, 241 quantity, 236 starch-granules in, 240 tape-worms in, 238 vegetable cells in, 240 fibers in, 240 Fehling's estimation of glucose in urine, 81 test for glucose, 78 Fermentation method of estimating glucose in urine, 81 Fibers, elastic, in sputum, 27 in urine, extraneous, 120, 131 of cotton in urine, 120, 131 of linen in urine, 120, 131 of silk in urine, 120, 131 of wool in urine, 120, 131 Fibrinous casts in sputum, 30 in urine, 117 Filaria nocturna, 194 sanguinis hominis, 194, 254 infection, chyluria from, 109 in urine, 128 Filariasis, 194 eosinophilia in, 183 parasite of, 254 Filariform embryos of strongyloides intestinalis, 258 Fish tape-worm, 247, 249 Fixation, chemic, for blood-films, 170 heat, for blood-films, 171 of blood-films, 170 Kowarsky's plate for, 171 Flaws in slides as source of error, 132 Flies, 260 Floaters in urine, 128 Florence's reaction for detection of semen, 284 reagent, 285 Focusing microscope, 19 Food particles in feces, 240 in gastric contents, 217, 228 Formaldehyd in milk, test for, 280 Formalin in milk, test for, 280 Fränkel's diplococcus in sputum, 35 Free hydrochloric acid, 213. See also _Hydrochloric acid, free_. Freezing-point of urine, 55 Friedländer's bacillus in otitis, 276 in sputum, 38 Fruit-sugar in urine, 82 Functional albuminuria, 70 Fungi in urine, 131 Gabbet's method for bacillus tuberculosis in sputum, 32 stain, 34 Gall-stones in feces, 238 Gametes in malaria, 188 staining of, 193 Gangrene of lung, sputum in, 44