182 



PARASITISM 



gametocytes (e. y., Lankesteria (Moriocystis) asddice, Sied. (Fig. 75) 

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



w 



i 



^cy 



*<M' 



FIG. 76 



/>' 



r * ; :1A 





Hp^ 



/ %gj*m :, 



IWf 

 ^H 



7- 



Intracellular sehizogony in gregarines. A to D, Eleutheroschizon dubosqui, Brasil, intes- 

 tinal parasite of Scoloplos armiger, showing multiplication of nuclei {A, B) and formation of 

 merozoites (C,D). (After Brasil.) E to G, Schizocystis sipunculi, Dogiel; E, adult organ- 

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



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

 plicate the endogenous cycle. The simplest of these processes of 



