526 Introduction to the Study of Science 



Red 

 Corpuscle 



'A fle ve/opmen t 

 in human b/ood. 



Transmitted* 

 by bite of T 

 mosqu/to. I 



Merozoites 



7/7 sat/vary g/and 

 of mosqu/to 



in by mbsqu/to 

 when it b/tes. 



K 

 U 



b 



\i w Sporozo/tes /n 

 A N mosquito's body. 

 vl . 17 A ^ 



^fi^V// 



Sexual forms (Q\ fr y^ 

 in mosqu/to's \ 

 stomach. 



FIG. 160. Life history of the malarial parasite in man and mosquito. 

 1, 2, 3, parasites on the outer wall of mosquito's stomach. 



