PASTEUR 



THE HISTORY OF A MIND 



BY 



EMILE DUCLAUX 



Late Member of the Institute of France 



Professor at the Sorbonne and Director 



of the Pasteur Institute 



TRANSLATED BY 



ERWIN F. SMITH and FLORENCE HEDGES 



Pathologists of the U. S. Department of Agriculture 



ILLUSTRATED 



PHILADELPHIA AND LONDON 



W. B. SAUNDERS COMPANY 



1920 



