A MANUAL 



OF 



BACTERIOLOGY 



' 



HERBERT U. WILLIAMS, M.D. 



PROFESSOR OF. PATHOLOGY AND BACTERIOLOGY, MEDICAL DEPARTMENT, 

 UNIVERSITY OF BUFFALO 



WITH NINETY-NINE ILLUSTRATIONS 



THIRD EDITION, REVISED AND ENLARGED 



PHILADELPHIA : 

 P. BLAKISTON'S SON & CO. 



1012 WALNUT STREET 

 1903 



