234 Heredity and Pathology [ch. xii 



indications of a similar character. An attractive field of 

 research is thus provided. We may surmise that various 

 types of resistance will be found, some dominant as well as 

 others like that of wheat, which are recessive. Whatever 

 answers are obtained in regard to these critical distinctions 

 and their physiological nature, the evidence must in no 

 ordinary measure contribute to the advance of general 

 pathology. 



