INDEX 



Hi", 



Phlogistic infections, 308 

 Phosphorus, cycle of, 266 

 Photogenic bacteria, 127 

 Phototaxis, 118 

 Phototropism, 119 

 Physical effects upon microor- 

 ganisms, 115 

 Physiologic characters, 92 



salt solution, 125 

 Plague, 350 



Plants and animals, differentia- 

 tion, 11 

 Plasmodium, 414 



falciparum, 415 



malarise, 415 



vivax, 415 

 Plasmodroma, 409 

 Plasmolysis, 124 

 Plasmoptysis, 124 

 Plating, 85 

 Plectridium, 22 



tetani, 357 

 Pleomophism, 7 

 Pneumococcus, 321 

 Pneumomycosis, 393 

 Pneumonia, 314, 321 

 Pollender, 353 

 Poll-evil, 319 

 Polypeptid, 229 

 Precipitation, 291 

 Precipitins, 281, 288 

 Preservatives, 137 



acetic acid, 140 



benzoic acid, 140, 143 



lactic acid, 140 



salicylic acid, 143 

 Pressure, effect of, 123 

 Presumptive test, 435 

 Protease, 161, 164 

 Proteolysis, 153, 239, 240 

 Proteus, 28, 38, 331 



vulgaris, 233 

 Protista, 11 



Prototrophic bacteria, 148, 150 

 Protozoa, 14 



classification of, 409 



pathogenic, 409 



Pseudomonadaceae, 30, 37 

 Pseudomonas, 27, 37 



aeruginosa, 37 



campestis, 406 



fluorescens, 233, 243 



juglandis, 408 



medicaginis, 408 



radicicola, 251 



stewartii, 407 



tumefaciens, 406 

 Psvchrophilic bacteria, 121 

 Pteridophyta, 12, 13 

 Ptomaine poisoning, 338 

 Ptomaines, 230 

 Pulque, 187 

 Pus, 310 



Putrefaction, 168, 232 

 Putrescin, 231 

 Pyogenic bacteria, 309 



membrane, 310 

 Pyorrhea, 314 

 Pyosalpingitis, 327 



Quarter evil, 360 



ill, 360 

 Quinsy, 313 



Rabies, 423 

 Radium, effect of, 123 

 Reaction of medium, 80 

 Reductase, 161 

 Reductions, 101 



nitrates to nitrites, 101 



pigments, 102 



sulphates to sulphides, 101 

 Red water, 413 

 Relapsing fever, 397 

 Rettger, 339 

 Retting, 222 

 Rhinitis, 314 

 Rhizobium, 28, 32 



leguminosarum, 251 

 Rhizoids, 58 

 Rhizopoda, 410 

 Rhizopus, 58 



japonicus, 59 



nigricans, 59 



oryzae, 59 



