2g 



QUATERCENTENARV studies tN PATHOLOGY 



TABLE XVIII. 

 TESTING SERUM OF "Pr." ON RATS (27, IV.). 



Toxin No. 10. 



Serum injected on one side of body; Toxin (at least 10 M. L. D.) 24 hours 

 later on the other side. 



Rat. 



Weight in 

 grammes. 



Both subcutaneous at opposite sides of 

 abdomen. 



Serum. 



Toxin, 24 hours after 

 Serum. 



Result. 



95 



95 



100 



105 

 115 

 120 



I c.c. 



1-5 c.c. 



Controls : — With Normal Serum of Horse 



Z." 



No symptoms. 

 No symptoms. 

 No symptoms. 

 No symptoms. 

 No symptoms. 

 No symptoms. 



Died 24 hours. 

 Died 48 hours. 

 Died 24 hours. 

 Died 48 hours. 

 Ill; recovered. 

 Died 48 hours. 



(138) 



