SPOROZOA, TELOSPORIDIA, COCCIDIA 



277 



blasts, each of which develops into a spore with two or four 

 sporozoites {i-j). 



Fig. 116 Development of Adelea ovata. X600 (After Schellack and Reiche- 



now). 

 a, schizont which enters the gut epithelium of the host centipede; b-d, 

 schizogony; e, larger forms of merozoites; f, microgametocyte (left) and macro- 

 gametocyte (right); g, association of gametocytes; h, i, fertilization; j, zygote; 

 k, nuclear di\'ision of the zygote; 1, mature oocyst with numerous spores. 



