' 6 



THE YEAST-LIKE FUNGI OF THE HUMAN 

 INTESTINAL TRACT 



BY 



HARRY WARREN ANDERSON 

 A. B. Wabash College, 1907 

 M. A. Wabash College, 1910 



THESIS 

 Submitted in Partial Fulfilment of the Requirements for the 



Degree of 

 DOCTOR OF PHILOSOPHY 



IN BOTANY 



IN 



THE GRADUATE SCHOOL 

 OF THE 



UNIVERSITY OF ILLINOIS 

 1917 



