INDEX 



495 



Plague, 388-396 



varieties of, 388 



symptoms of, 388 



and rats, 390 



distribution of, 389 



bacillus of, 392 



administrative control of, 394 



vaccination for, 424 



diagnosis of, 396 

 Plant diseases, 32 

 Plasmolysis, 9 

 Plate cultures, 453 

 Platinum needles, 17 

 Pleomorphism, 9 

 Pneumonia, 319 



bacteria of, 320 

 Pneumo-bacillus, 320 

 Pneumococcus, 320 

 Polymorphism, 9 

 Postulates, Koch's, 281 

 Potato medium, 16 

 Pouchet's aeroscope, 74 

 Power on milk-borne scarlet fever, 214 

 Products of bacteria, 406 

 Proteolytic ferments, 95 

 Proteus family, 154, 45 



cloacinus, 154 



vulgaris, 154 



Zenkerl, 154 



mirabilis, 154 



Pseudo-diphtheria bacillus, 295 . 

 Pseudo-tuberculosis, 355-358 

 Purification of water, 60-72 



natural, 60-64 



domestic, 70 



artificial, 64-70 

 Pus, 311 

 Pyocyanin, 313 

 Pyoxanthose, 313 



QUANTITATIVE standard of water bacteria, 

 42 



air bacteria, 77 



milk bacteria, 191 



soil bacteria, 116 

 Quarter-evil, 142 



clinical characters, 143 



RAHIKS, treatment of, 419 



forms of, 420 



pathology of, 420 



results of treatment, 423 

 Red milk, 200 



Reproduction of bacteria, modes of, 11 

 Relnmc, 113 



Rivers, natural purification of, 38, 60-64 

 Robertson on soil and typhoid, 147 

 Ross on malaria, 380 

 Rotch's specialised milk, 239 



Russel on butter-making, 244 

 on cheese-making, 247 



SACCHAROMYCETES, biology of, 97 

 methods of examination, 99 

 anomalous, 99 

 apiculatus, 102 

 aquifolii, 102 

 cerevisice, 101 

 conylomeratus, 102 

 ellipsoideus L, 101, 102 

 ellipsoideus II. , 102 

 exiyuus, 102 

 Hansenii, 102 

 illifiis, 102 

 Ludwiffii, 99 

 my coder ma, 102 

 pastorianus L, 102 

 pastorianus 12., 102 

 pastorianus, 111. , 1 02 

 pyriformis, 102 

 Sand filtration of water, 65 

 Saprophytes, 25 

 Sarcina, 8 



Savage on bacteria of made soil, 149 

 Scarlet fever, 296 

 milk and, 214 

 bacteria of, 296 

 streptococcus in, 297 

 Sedgwick's method of air analysis, 75 

 Seed and soil, 26 

 Sedimentation, 62, 64 

 Septic processes, 311 



tank, 165-169, 174 

 Sewage, organisms in, 151-158 

 bacterial treatment of, 162-177 

 constitution of, 151 

 examination of, 154, 485 

 organic matter in, 152 

 inorganic matter in, 152 

 number of bacteria in, 153 

 kinds of bacteria in, 154 

 spores in, 153 

 streptococcus of, 155 

 pathogenic bacteria in, 155 

 nitrification and denitrification in, 



157, 158, 166 

 aerobic and anaerobic bacteria in, 



157, 158, 166 

 disposal of, 159 

 chemical treatment of, 160 

 biological treatment of, 158, 160-177 



