COLON-AEROGENES GROUP OF BACTERIA 



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Chart III. (Below). B. coli Type (Soil) 

 Three days' incubation at 30°C. 



Chabt IV. (Above). B. coli Type (Soil) 



Five days' incubation at 30°C. Unbroken line, synthetic medium; barred line, 

 Witte peptone-glucose-phosphate medium; barred and dotted line, Difco peptone- 

 glucose-phosphate medium. 



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Chart V. B. coli Type (Animal Source) 



Five days' incubation at 30°C. Unbroken line, synthetic medium; broken 

 line, Witte peptone-glucose-phosphate medium. 



