182 



PARASITISM 



gametocytes {e.g., Lankesteria (Monocystis) ascidiee , S'led. (Fig. 75) 

 Eucoccidium (Benedenia) octopiana, and E. eledone). 



Fig. 76 



Intracellular schizogony in gregaiines. .A to D, Eleutheroschizon dubosqui, Brasil, intes- 

 tinal parasite of Sooloplos armiger, showing multiplication of nuclei (A, B) and formation of 

 merozoites (C, JO). (After Brasil.) E to <?, Schizocj'stis sipunculi, Dogiel; E, adult organ- 

 ism; F, merozoite formation; G, mature merozoites in brood canity. (After Dogiel.) 



In other cases, processes of schizogony in one form or other com- 

 plicate the endogenous cycle. The simplest of these processes of 



