TEE-PRINCIPLES 



OF 



BACTERIOLOQYr 



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 HYGIENE, UNIVERSITY OF PENNSYLVANIA. 



SEVENTH EDITION, 



ENLARGED AND THOROUGHLY REVISED. 

 With 100 Illustrations, of which 24 are colored. 



LEA BROTHERS & CO., 

 PHILADELPHIA AND NEW YORK, 

 1905, 



