' ' : - ' '. : V\. : : . ; 



THE CHEMICAL NATURE OF THE ANTIGENIC 

 SUBSTANCES IN BACILLUS COLI 



DISSERTATION 



Presented in Partial Fulfillment of the Requirements for the 



Degree of Doctor of Philosophy in the Graduate 



School of the Ohio State University 



BY 



EDWARD EVERETT HALE BOYER, B. Sc M M. Sc. 



The Ohio State University 

 1920 



