B. 



Fie 65— H^mogreqarina xavieri deWello. A In blood ^4, i?, o^a 

 'g- '°^- \^^^. ^c. kidney-shaped form ; D, elongate form with 

 a short tail : E, elongate form withm a capusle. 



Si cyst containLg few schizonts ; B, cyst contammg 

 six sehi;onts ; C, cyst contaiz.mg six schizonts (^erozo^tes) ; 

 D E fusiform merozoites m the blood ; A, B, 0, m smears 

 frim lungs, spleen, and liver respectively ; D, E, m section 

 of a blood-vessel . ( After de Mello . ) 



