Fig. 133. — Life-cycle of Laverania malarial Grassi & Feletti in man 

 and the mosquito. ( X c. 1000.) A-G, schizogony in 

 red blood-corpuscles ; H, immature gametocyte ; I^, 1^, 

 male and female gametocytes in blood of man ; J^-L^, 

 development of male gametocyte and production of 

 microgametes ; J^-L^, development of female gameto- 

 cyte and extrusion of polar body in the stomach of mos- 

 quito ; M, fertilization ; N, transformation of zygo te into 

 ookinete which penetrates through the intestinal epithelium ; 

 O, P, development of oocyst between the epithelium and 

 the elastic membrane ; Q-S, growth of cytoplasm accom- 

 panied by multiplication of nuclei and vacuolation of 

 cytoplasm ; T, vacuoles run together to reduce cytoplasm 



