Fig. 1. — Tube 5 contains 1 unit of anil)oceptor. 



/< 



iL^ 



L^ i J) 4 i 





I 



3i 



I — I — [ — n 



^ W W W 





Fig. 2. — Tube -i contains 1 unit of complement. Tube .5 contains 1 full unit of 



complement. 



I'LA'lE IV. TiTUATION" OF 1 1 KMOLVTIl ' AMIJOCEPTUU AM) CUMIM.KMKNT. 



