New YorK AGRICULTURAL EXPERIMENT STATION. 187 
Class I. Activity moderate, B. carotovorus being the stand- 
ard of his class. 
Class II. More active than I, intermediate between I and 
1k ; 
Class III. Most active, Vermont XLVIII and Turnip Rot 
D well representing this class. 
The following tables give the results of the trials grouping 
the various organisms in these classes according to cytolytic 
activity. . 
