BACTERIA 



IN THEIR 



BELATION TO VEGETABLE TISSUE 



A DISSERTATION 



PRESENTED TO THE BOARD OF UNIVERSITY STUDIES OF THE 



JOHNS HOPKINS UNIVERSITY FOR THE DEGREE 



OF DOCTOR OF PHILOSOPHY 



BY 



H. L. RUSSELL 



*7 



1892 



PRESS OP 



THE FRIEDENWALD COMPANY 

 BALTIMORE 



