266 COLLECTED STUDIES IN IMMUNITY. 



by him as an objection constitutes a new and telling demonstration of the 

 correctness of the amboceptor theory. 



Thus we see that the anticomplement experiments give us a 

 further insight into the mechanism of hsemolysin action. This in 

 its turn shows that the simple Unitarian conception must be aban- 

 doned to be replaced by the view maintained by us that the exciting 

 substances as well as the reaction products arising in immunization 

 are exceedingly manifold in character. 



