790 



PROTOZOOLOGY 



(Idyaea furcata) 



Phoront: 



Young trophont 



Fig. 335. Diagram illustrating the life-cycle of Spirophrya 

 subparasitica (Chatton and Lwoff). 



proach each other in posterior-dorsal region; phoronts attached to a 

 crustacean; when eaten by Cladonema, trophonts enter the crusta- 

 cean body and complete growth; protomonts upon leaving the host 

 body encyst and each divides into 4-82 tomites (Fig. 335). One 

 species. 



S. subparasitica C. and L. (Figs. 335; 336, b). Phoronts attached 

 to Idyaea furcata; ovoid trophonts enter the copepod when eaten by 

 Cladnema radiatum. 



