SAUNDERS' QUESTION-COMPENDS, No. 20 



ESSENTIALS 



OF 



BACTERIOLOGY 



BEING A 



CONCISE AND SYSTEMATIC INTRODUCTION 

 TO THE STUDY OF MICRO-ORGANISMS 



. 



V CBY 



M. V. BALL, M.D. 



Formerly Resident Physician, German Hospital, Philadelphia ? 

 formerly Bacteriologist to St. Agnes' Hospital 



FIFTH EDITION, THOROUGHLY REVISED 



BY 



KARL M* VOGEL, M,D. 



Assistant in Pathology, College of Physicians and Surgeons, 

 Columbia University, New York City 



With Ninety-Six Illustrations 

 some in Colors, and Six Plates 



PHILADELPHIA AND LONDON 



. B. SAUNDERS & COMPANY 



J905 



