PLATE II 



NO HAEMOLYSIS, 



Complement. 



Antigen (Ay.) 



and 



Antibody (Ab.) 



have united and 



have fixed the 



Complement. 



Amboceptor. 



--Blood corpuscle. 



HAEMOLYSIS 



Complement. 



Amboceptor. 



Receptor or side chain] 

 of blood corpuscle. 



Blood corpuscle. 



Complete 



haemolytic 



System. 



