126 



THE ANIMALS AND MAN 



Development of 

 Parasiti 



\^ 



Some may be taken 

 into the stomach 

 of the friosquito when 

 it bites 



J. 



InSalivary Development 

 - Gland' 



df mosq. 



in the 

 (Tlosquito 



. \JJ In Body 



3^ Ay. Cavity of mos<). 



Fig. 49. Diagram to illustrate the life-history of the malarial parasite. 

 1 is a red blood-corpuscle, 2 to 7 shows the development of the parasite 

 in the corpuscle, abed and a' b' c' and e the development of the para- 

 site in the stomach of the mosquito, f g h i the development in the 

 capsule on the outer walli of the stomach of the mosquito, k in the 

 salivary gland. 



