TOPLEY AND WILSON'S 



PRINCIPLES 

 OF BACTERIOLOGY AND 



IMMUNITY 



THIRD EDITION 



REVISED BY 



G. S. WILSON, M.D., F.R.C.P., D.P.H., K.H.P. 



PROFESSOR OF BACTERIOLOGY AS APPLIED TO HYGIENE, UNIVERSITY OF 



LONDON, LONDON SCHOOL OF HYGIENE AND TROPICAL MEDICINE 



DIRECTOR OF THE PUBLIC HEALTH LABORATORY SERVICE 



AND 



A. A. MILES, M.A., F.R.C.P. 



PROFESSOR OF BACTERIOLOGY, UNIVERSITY OF LONDON, UNIVERSITY COLLEGE 

 HOSPITAL MEDICAL SCHOOL 



IN TWO VOLUMES 

 VOLUME I 



A WILLIAM WOOD BOOK 



THE WILLIAMS & WILKINS COMPANY 



BALTIMORE 



1946 



