IMMUNITY IN PNEUMOCOCCAL INFECTIONS 



13 



From a case of pneumonia undergoing gradual resolution, and showing the gradual 

 rise of the opsonin index (indicated by the thicker curve) to unity. 



1-7 



1-6 /03° 



1-5 



1-4 /o;2° 



13 



1-2 10 f 



I- 1 



I-O 70(f 



09 



0-6 SS> 



07 



0-6 S6 



05 



97° 



From a case of pneumonia undergoing rapid resolution. The thicker line and numbers 

 represent the opsonic curve, the others that of the temperature. The opsonic mdex 

 rises above the normal, and falls to normal two days after the crisis. 



(377) 



