20 TRANSFORMATION OF THE INTESTINAL FLORA 



CHART 3 



Curve indicating average percentages of B. acidoph- 

 ilus appearing in fecal specimens from rats 

 fed on a lactose diet 



/o 



14 



CHART 4 



Graph indicating average percentages of B. acidoph- 

 ilus in the various parts of the alimentary canal 

 of rats fed on a lactose diet 



Parts of alimentary canal 



Si 



o 



8 





05 



