INDEX 



515 



Pipettes, automatic, 13 



blood, II 



capillary, 10 



cases for, 7 



graduated, 6 

 capillary, 13 



Pasteur's, 10 



sedimentation, 16 



standard graduated, 7 



teat, 10 



throttle, 13 



to clean infected, 20 

 new, 1 8 



to sterilise, 31 

 Piridin method of staining spiro- 



chaetes, 124 



Pitfield's flagella stain, 103 

 Plasmolysis, 135 

 Plaster-of- Paris discs, 192 

 Plate box, 7 



cultures, description of, 261 

 preparation of, 226 



levelling stand, 228 

 Plates, Petri's, 6 



to clean infected, 20 

 new, 1 8 



to sterilise, 31 

 Platinum needles, 71 



method of mounting, 71 

 Pleomorphism, 133 

 Polar germination, 140 



granules, 136 

 Polkoerner, 136 

 Polychrome blood stains, 97 

 Pooled serum, 379 

 Porcelain filter, 42 

 Berkefeld, 42 

 Chamberland, 42 

 Doulton, 42 



Post-mortem examination of ex- 

 perimental animals, 396 

 Potato gelatine (Eisner), 204 

 (Goadby), 214 



medium, preparation of, 174 

 Potted meat, analysis of, 460 

 Pouring plates, 227 

 Preparation of experimental ani- 

 mals, 335 



Preservatives in milk, 442 

 Pressure temperature table, 500 

 Primary colours, action of, 309 

 Proteid free broth (Uschinsky ) , 



183 

 Proteolytic enzymes, tests for, 



277 



Prototrophic bacteria, 131 

 Psychrophilic bacteria, 143 

 pathogenic effects, 315 

 Pus, collection of, 373 

 Pyrogallic acid solution, 293 



QUALITATIVE analysis of air, 470 



of milk, 446 



of sewage, 467 



of soil, 476 



of unsound meat, 462 



of water, 426 

 Quantitative analysis of air, 468 



of milk, 444 



of sewage, 466 



of soil, 473 



of unsound meat, 460 



RABBIT cages, 343 



scabies, treatment of, 338 

 scales, 340 



Raising virulence of organisms, 

 320 



Ramsden's micrometer, 66 



Range of medium reaction, meas- 

 urement of, 305 

 of temperature, measurement 

 of, 298 



Rat cages, 342 



Raw milk, Saul's test for, 442 



Reaction of medium, 305 

 optium, 305 

 range of, 305 

 scale, 153 



Reduced pressure and tempera- 

 ture table, 501 



Reducing agents, production, 389 

 tests for, 289 



Reduction of nitrates, 389 



Reichert's thermo-regulator, 218 



Relation of bacteria to environ- 

 ment, 142 



Removal of material from culture 

 tubes, 74 



Rennin enzymes, tests for, 279 



Reproduction of bacteria, 136 



Resistance glass, 6 

 to lethal agents, 306 



Resting stage of bacteria, 137 



Restrictions upon experimental 

 inoculations, 334 



Ribbert's capsule stain, 101 



Roll cultures, 226 



Rosplic acid peptone solution, 186 



Rosindol reaction, 286 



Roux's anaerobic culture method, 



237 

 culture bottle, 5 



SABOURAUD'S medium, 193 

 Saccharomyces, morphology of, 



129 



Safranine, 94 



Salicylic acid in milk, test for, 443 

 Saprogenic bacteria, 131 

 Sarcinae, morphology of, 132 



