A 

 MANUAL OF BACTERIOLOGY 



FOR AGRICULTURAL AND GENERAL 

 SCIENCE STUDENTS 



BY 



HOWARD S. REED, PH.D. 



PROFESSOR OF MYCOLOGY AND BACTERIOLOGY IN THE ' 



VIRGINIA POLYTECHNIC INSTITUTE ; PLANT PATHOLOGIST AND BACTERIOLOGIST 

 IN THE VIRGINIA AGRICULTURAL EXPERIMENT STATION 



GINN AND COMPANY 



BOSTON NEW YORK CHICAGO LONDON 



