0A(\ He demonstrated the soundness of his principles by refer- 

 ence to clinical experience. If his listeners cared to follow him, 

 then they too would dehydrate, paint with Churchman's 

 gentian violet or Benda's acriflavin (depending upon whether 

 the invader liked his food sweet or sour) and prepare and 

 administer properly trained "antigens." 



