32 



QUATERCENTENARY STUDIES IN PATHOLOGY 



^than two hours after inoculation, the opsonic power had doubled its 

 original value, and, at the seventh hour, it was still very high (r8). At this 

 point a further inoculation of 4 cc. was given intravenously, but any 

 cumulative effect that may have occurred had quite disappeared at the 

 end of 24 hours after the first injection. 



1 



XXIII. 



Exp. XXIII. (Chart XXIII.) Rabbit. Intravenous inoculation (3 cc). 



Samples were drawn on this occasion every half-hour in the hope of 

 demonstrating a leucocytic or opsonic negative phase. 



(352) 



