FlG. ig. — Development of malaria parasite, show- 

 ing some of the stages, greatly enlarged : i, sporozoit; 

 2 to 4, amebulae; j"' to j" "", asexual reproduction in 

 human blood; j c ' , j''', crescents; j c " , macrogamete; 

 J 6 \j 6 "i male gametocyte forming microgametes; 6, 

 conjugation; S, vermicule ; g to 12, amphiont develop- 

 ing to, /j, last stage where it is filled with sporozoits. 

 Stages / to j*' andj f/ in human body; others in mos- 

 quito. (Adapted from Grassi.) 



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