180 



SPOROZOA. 



Fig. 83. — Eimeria flaviviridis Setna & Bana. A, section of a portion of 

 the gall-bladder showing developmental stages in the epithe - 

 lial cells {a, schizont; b, merozoites; c, macrogametocyte) ; 



B, schizont, showing repeated division of the nucleus ; 



C, formation of merozoites, with a large residual body in 

 the middle ; D, macrogametocyte ; E, microgametocyte ; 

 F, oocyst with four sporoblasts ; O, mature oocyst containing 

 sporocysts, each with two sporozoites and a residual body. 

 (After Setna and Bana.) 



