INDEX. 



459 



Ovum, bacteria conveyfed in, 172 

 Oxalic acid (see Acid, oxalic) 

 Oxygen, relation of bacteria to, .127 

 Ox serum in relation to cytolysis, 235 

 Oysters, typhoid fever conveyed by, 



158 . 

 Ozena bacillus (probably identical 



with B. pneumoniae), 315 

 Ozone in purifying water, 142 



Paracolon bacillus, 384 



Paraffin imbedding, 38 



Paraform or paraformaldehyde, 252 



Paraplague bacillus, 325 



Parasite, definition, 120 



Paratyphoid bacillus, 384 



Parietti's method for examination of 



water, 147 

 Park, W. H., method for cultivating 



anaerobes, 93 

 Passive Immunity, an 

 Pasteur, hydrophobia virus, 206 



inoculation of attenuated cultures, 



16 

 microorganisms, the cause of 



fermentation, 13 

 Pasteur-Chamberland filter, 63 

 Pasteurization, definition, 60 



effect on B. tuberculosis in milk. 



Pathogenic bacteria, definition, 282 

 Pear-blight, 6, 168 

 Penicillium glaucum, 278 

 Peptone, as product of bacterial growth, 

 129 



Dunham's solution, 73 



enriching fluid, 399 



in nutrient bouillon, 64 

 Peptonizing ferments formed by bac- 

 teria, 129 

 Pericarditis, micrococcus lanceolatus 

 in, 306 



staphylococcus pyogenes aureus 

 in, 288, 294 



streptococcus pyogenes in, 296 

 Periositis, due to B. typhi, 379 

 Peritonitis, due to B. coli, 288 



staphylococcus pyogenes aureus, 

 294 



streptococcus pyogenes, 296 



B. pyocyaneus, 318 



B. proteus, 319 



colon group, 384 

 Perlsticht, 289 

 Permanganate of potassium, 206, 211 



Peroxide of hydrogen, 205 

 Petri dishes, 96 



Petroleum for destroying insects, 258 

 Pfeifter's capsule bacillus, 315 

 Pfeiffer's phenomenon) 228, 394 

 Phagocytosis, as means of defense 

 against infection, 282 



definition, 212 



melaniferous, 437 

 Phenol (see Acid, carbolic) 

 Phenolphthalein in titration, 66 

 Phosphorescence of bacteria, 128, 



271 

 Physiology of bacteria, 117 

 Picric acid (see Acid, picric) 

 Piorkowski's culture-medium, 374 

 Piroplasma, 177, 440 

 Placenta, bacteria transmitted through, 



172 

 Plague, bubonic, bacillus of (see 



Bacillus pestis bubonicas) 

 Plants, diseases of, 6, 168 

 Plasmodium of malaria, morphology, 

 cycle of development, 432 



preparation of blood-films, 108 



staining of, 45 

 Plasmolysis, 121 

 Plate-cultures, 95 



Platinum wire, rules for use, 22, 78 

 Pleuritis, streptococcus pyogenes 

 aureus in, 288, 294 



streptococcus pyogenes in, 296 



micrococcus lanceolatus in, 306 

 Pleuro-pneumonia of cattle, 150 



invisible microbes, 171 

 Plugs, cotton, for tubes, 76 



for anaerobic cultures, 91 

 Pneumococcus of Frankel (see Micro- 

 coccus lanceolatus) 

 Pneumonia, broncho-, due to acid- 

 proof bacteria, 370 



to B. pneumoniae, 315 



to B. pycyaneus, 318 



to B. typhosus, 379 



to pus cocci, 288 



croupous (see Croupus pneu- 

 moniae) 

 Pneumonomycosis, 281 

 Poisoning by food, milk, ice cream, 

 cheese, 153 



oysters, fish, meat, 159 

 Porcelain filter, 62 



Post-mortems, disinfection at, on 

 animals, 95 



on human beings, 259 



