CLASSIFICATION OF THE COLON-CLOACAE GROUP 



275 



SUMMARY 



From a statistical study of 333 coli-like bacteria isolated from 

 soil, sewage, and the feces of various animals, the following 

 classification is suggested: 







Co//' ^/TCVi^ 



G//cerTp/- 



^tO/lc/} - 



/Vo///,fy i- 

 Ge/af/o f- 



/^of/Z/fy - 

 C/e/afio - 



^uyvse 





\ 1 



6- gg// S.acM//-/actict 



3o//'c/>y t- 3oJ/c/o - 



* Designation as species questionable. Probably preferable to regard it as a 

 variety of B. communior. 



TABLE 11 

 Per cent of positive reactions 



* Ten questionable reactions included. 



The per cent of positive reactions of the different species is 

 indicated in table 11. B. neapolitanus differs from B. communior 



