ZTbe Century agricultural Series 



AGRICULTURAL 

 BACTERIOLOGY 



FOR STUDENTS IN 

 GENERAL AGRICULTURE 



BY 



H. L. RUSSELL 



Dean of the College of Agriculture 

 University of Wisconsin 



AND 



E. G. HASTINGS 



Professor of Agricultural Bacteriology 



The College of Agriculture 



University of Wisconsin 



xv w( - 



ILLUSTRATED 



NEW YORK 

 THE CENTURY CO. 



1921 



