Studies in the Nitrogen Metabolism 

 of Bacteria 



A THESIS 



Submitted to the Department of Chemistry and the Committee on 



Graduate Study of the Leland Stanford Junior University 



in partial fulfilment of the requirements for 



the degree of Doctor of Philosophy 



By 

 H. J. SEARS 



Stanford University, January, 1916 



,"'■' OF THE \ 



• ^ UNIVEkSJTY ■ 

 "OF 



CHICAGO 



American Medical Association • 



Five Hundred and Thirty-Five North Dearborn Street 



1916 



