Test-tubes, 3 to clean infected, 19 new, 18 to plug, 24 to sterilise, 31 Tetracocci, morphology of, 132 Thermal death-point, 143 determination of, 298 of spores, 301, 304 of vegetative forms, 298, 303 Thermophilic bacteria, 143 Thermo-regulators, Hearson's capsule, 218 Reichert's, 218 Thionine blue, 92 Thiothrix, morphology of, 133 Thresh's water collecting bottle, 418 Throttle pipettes, 13 Tinned meat, analysis of, 460 Tissue medium (Noguchi), 214 stains, 95 Tissues for sectioning, fixing, 114 freezing, 116 hardening, 114 imbedding, 118 preparation of, 114 washing, 115 Titration of media, 150 Torulæ, differentiation from saccharomyces, 130 Total acidity, 280 Toxins, testing of, 318 Trephines, 360 Triple nosepiece, 58 True motility, 80 Tube cultures, preparation of, 222 length, 50 Tubercle bacillus in milk, 453 to stain, 110, 124 Tuberculous guinea-pig, cadaver of, 454 Tubing nutrient media, 160 Turnip media, 200 Unna-Pappenheim's stain for sections, 123 Unsound meat, analysis of, 460 Urine agar, 188 gelatine, 187 (Heller), 188 media bouillon, 187 Uschinsky's solution, 183 Valency of specific sera, 386 Van Ermengem's flagella stain, 104 Vegetative stage of bacteria, 136 Vesuvin, 94 Vibrio choleræ in milk, 452 in water, 439 morphology of, 133 Virulence, attenuating, 321 of organisms, 320 raising, 320 Vivisection license, 334 Voges holder, 350 Volatile oils as disinfectants, 27 Warm stage, 58 Washing red blood cells, 388 tissues, 115 Water, analysis of, qualitative, 426 quantitative, 416 steriliser, 33 Weighing animals, 340 Welch's capsule stain, 101 Wertheimer's serum agar, 211 Wheat bouillon (Gasperini), 193 Whey agar, 195 gelatine, 195 Wine must, 192 Winogradsky's solution I, 198 II, 198 Wire crates for test-tubes, 31 Wood ash agar, 201 Working up plates, 252 Wort agar, 176 gelatine, 176 Wright's anaerobic method, 239 Yeast water (Pasteur), 191 Ziehl-Neelsen's stain, 110 Zoogloea, 134 Zymogenic bacteria, 131 SAUNDERS' BOOKS on Pathology, Physiology Histology, Embryology Bacteriology, Biology * * * * * W. B. SAUNDERS COMPANY WEST WASHINGTON SQUARE PHILADELPHIA 9, HENRIETTA STREET COVENT GARDEN, LONDON * * * * * LITERARY SUPERIORITY