AGRICULTURAL 



BACTERIOLOGY 



BY 



H. L. RUSSELL 



DEAN OP THE COLLEGE OF AGRICULTURE 

 UNIVERSITY OF WISCONSIN 



AND 



E. G. HASTINGS 



ASSOCIATE PROFESSOR OF AGRICULTURAL BACTERIOLOGY 

 UNIVERSITY OF WISCONSIN 



OF THE 



UNIVERSITY 



OF 



MADISON, WISCONSIN 

 H. L. RUSSELL 



1909 



