ft. 



THE PRINCIPLES 



OF 



BACTERIOLOGY: 



A PRACTICAL MANUAL FOR STUDENTS 

 AND PHYSICIANS. 



BY 



A. C. ABBOTT, M. D., 



PROFESSOR OF HYGIENE AND BACTERIOLOGY, AND DIRECTOR OF THE LABO- 

 RATORY OF HYGIENK, UNIVERSITY OF PENNSYLVANIA. 



SEVENTH EDITION, 



ENLARGED AND THOROUGHLY REVISED. 

 With 100 Illustrations, of which 24 are colored. 



K. LEWIS, 



.\ (;x i:; cow K I! ST I! K v.'\ 

 V. W. ( '. 



