460 



INDEX. 



Post-oflSce rules for mailing specimens 



of bacteria, no 

 Potassium permanganate, 257 

 Potato as a culture-medium, 71 

 growth of B. typhosus on, 372 

 bacillus (see Bacillus mesentericus 

 vulgatus) 

 Precipitins for albumen, 196 



for bacteria, 197 

 Predisposition to infection, 155 



age, altitude, climate, individual, 



179 

 amount of infectious material, 

 number of bacteria, virulence 

 of bacteria, 182 

 bodily conditions, general, 178. 



181 

 local, 285 



of different organs and tissues, 

 racial, 180 

 Pressure, effect of, on bacteria, 247 

 Prevention and cure of bacterial 



diseases, 16 

 Products, bacterial: ammonium car- 

 bonate, fatty acids, indol, leu- 

 cin, phenol, skatol, sugar, 

 toxins, tyrosin, 129 

 pigment, 128 

 ptomaines, 159, 161 

 tyrotoxicon, 153 

 Propionic acid (see Acid, proprionic) 

 Protargol, 250 

 Protective inoculation for anthrax, 



201. 335 



Asiatic cholera, 394 



black-leg of cattle, 202 



bubonic plague, 202, 323 



erysipelas of swine, 202 



fowl-cholera, 202 



hydrophobia or rabies, 206 



rinderpest, 201 



small-pox, 10, 200 



tuberculosis, 362 



typhoid fever, 381 

 Proteus bacillus (see Bacillus proteus) 

 Protoplasm, appearance of bacterial, 



121 

 Protoxoid, 224 



Protozoa, pathogenic, in dysentery, 

 malaria, 17 



Texas fever, 177 



trypanosomes, 408 



amebaj, 410 

 Pseudo-diphtheria bacillus, 343 

 Pseudo-gonococcus, 311 



Pseudo-membranous inflammations 

 due to B. diphtheria, 342, 345 

 B. dysenteria^, 307 

 M. lanceolatus, 307 

 streptococcus pyogenes, 296 

 Pseudo-pneumococcus, 307 

 Pseudo-tuberculosis, 362 

 Ptomaine poisoning, 159 

 Ptomaines, 186, 187 

 Puerperal fever, 11 



B. diphtheria in, 345 

 S. pyogenes in, 296 

 Pure cultures, advantages of, shown 

 by Koch, 16 

 methods of obtaining, by animal 

 inoculation by dilution, by heat- 

 ing, 94 

 by plating, 104 . 

 Purification of water by chemicals, by 

 mechanical filtration, 141 

 by sand filtration, 140 

 Pus, blue, 318 

 cells, 282 



collection of specimens for ex- 

 amination, 107, 109 

 formation, 283 

 green, 318 

 Putrefaction, 13, 133 

 Pyemia, 291 

 Pyocyanase, 190 

 Pyocyanin, 317 



Pyogenic bacteria, as causes of various 

 diseases, 288 

 as secondary invaders, 287 

 in inflammation of middle-ear, 



289 

 in pneumonia, 289. 

 in suppuration, 284 

 Pyoktanin, 250 

 Pyosalpinx, 314 



Pyrogallic acid for cultivating anae- 

 robes, 91 

 Pyroxylin, 38 



Quarantine, early used by Italians, 9 



Rabies, caustive agent unknown, 170 



diagnosis of, 208 



Pasteur treatment for, virus fixe, 

 206 

 Racial immunity, 199 



predisposition to infection, 179 

 Rats, acid-proof bacilli of, 362 



relation to bubonic plague, 322 

 Rauschbrand, vaccine for, 202 



