40 



The Philippine Journal of Science 



1916 



though complete solution of the corpuscles occurred in two 

 instances only, all of the fifty reactivated sera produced some 

 haemolysis. 



Table X. — The effect of reactivated, heated human serum on 



horse corpuscles. 



Serum. 



100 per 

 cent hae- 

 molysis. 



50 to 100 

 per cent 

 haemo- 

 lysis. 



Less than 



50 per 

 cent hae- 

 molysis. 



No he- 

 molysis. 



CO. 



0.4 

 0.2 

 0.1 





 1 

 1 



14 

 13 



10 



36 

 36 

 39 



Per cent. 

 





 



Hasmolysis of rabbit cot'puscles. — In Table XI are shown the 

 results obtained with rabbit corpuscles. Heated human serum 

 reactivated with guinea pig complement has but weak haemolytic 

 power for the corpuscles of the rabbit. 



Table XI. — The effect of reactivated, heated human serum, on 



rabbit corpuscles. 



Serum. 



100 per 

 cent hae- 

 molysis. 



50 to 100 

 per cent 

 haemo- 

 lysis. 



Less than 



50 per 

 cent hae- 

 molysis. 



Nohse- 

 molysis. 



cc. 









Per cent. 



0.4 







1 



9 



80 



0.2 











8 



84 



0.1 











8 



84 



Hxmolysis of guinea pig corpuscles. — Table XII shows the 

 effect of heated human serum reactivated with guinea pig com- 

 plement on guinea pig corpuscles. The haemolysis obtained was 

 practically negligible. This failure to dissolve guinea pig cor- 

 puscles cannot be due to the absence of haemolytic amboceptor, 

 because in Table V it is shown that unheated human serum 

 readily dissolved guinea pig corpuscles. 



Table XII. — The effect of reactivated, heated human serum on 

 guinea pig corpuscles. 



Scrum. 



100 per 

 cent hae- 

 molysis. 



50 to 100 

 per cent 

 haemo- 

 lysis. 



Less than 



50 per 

 cent hae- 

 molysis. 



No hae- 

 molysis. 



cc. 









Per cent. 



0.4 







1 



20 



68 



0.2 











10 



80 



0.1 











2 



96 



