INDEX 



495 



Plague, 388-396 



varieties of, S88 



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 



eloacinas, 154 



vuh/aris, 154 



Zenkeri, 154 



mirahilis, 154 

 Pseudo-diphtheria bacillus, 29a 

 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-evU, 142 



clinical characters, 143 



Rakies, treatment of, 419 



forms of, 420 



pathology of, 420 



results of treatment, 423 

 Red milk, 200 



Reproduction of bacteria, modes of, 11 

 Retting-, 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 



Sacchabomycetes, biology of, 97 



methods of examination, 99 



anomalous, 99 



apiculatus, 102 



aquifolii, 102 



eerevisiw, 101 



conglomeratus, 102 



ellipsoideus 1., 101, 102 



ettipsoideus II., 102 



exiffuus, 102 



Hansenii, 102 



ilUcis, 102 



Ludwiffii, 99 



mycoderma, 102 



pastorianus I,, 102 



pastoriarms 11. , 102 



pastorianus. 111. , 102 



piriformis, 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 



