xxvi ILLUSTRATIONS 



3. Portions of a venous sinus and Billroth cords in the spleen of 



an uninfected rhesus monkey and comparable portions from 

 a rhesus monkey during the late acute rise of an infection 

 'w'i.ih Plasmodium cynomolgi 852 



4. A nodule in the white pulp of the spleen during lymphoid hy- 



perplasia associated with the late acute rise of Plasmodium, 

 cynomolgi in a rhesus monkey 853 



