ENGLISH EDITION 



THE BACTEEIOPHAGE 



Its Role In Immunity 



WITH FOURTEEN TEXT ILLUSTRATIONS 



BY 



F. D'HERELLE 

 it 



Pasteur Institute 



AUTHORIZED TRANSLATION 



BY 



GEORGE H. SMITH, PH.D. 



ASSISTANT PROFESSOR OF BACTERIOLOGY AND PATHOLOGY 

 Yale University School of Medicine 



PUBLISHED BY 



WILLIAMS & WILKINS COMPANY 



BALTIMORE, U. S. A. 

 1922 



