14G 



PROTOZOOLOGY 



Fig. 70. The life-cycle of Stephanosphaera pluvialis (Hieronymus). 

 a-e, asexual reproduction; f-m, sexual reproduction. 



Coccidia, the process was well studied in Eimeria schuhergi (Fig. 

 188), Aggregata eberthi {Fig. 190), Adelea ovata (Fig. 194), etc., 

 and the resulting products are the oocyst (zygote) in which the 

 spores or sporozoites develop. Similarly in Haemosporidia such 

 as Plasmodium vivax (Fig. 197), anisogamy results in the forma- 

 tion of the ookinete or motile zygote which gives rise to a large 



