356 Ciliophora 



Fii;. 7. 13. A. Bnsslaun sicaria Claff, Dewey and Kidder, aboial surface, 

 buccal region indicated in outline; x230 (after C, D. & K.). B-D. Repro- 

 ductive cysts in Tillina magna; macionuclei shown; xlI2 approx. (after 

 Beers). E-I. ConJdiophrys pilisuctor Chatton and LwofE (after C. & L.): E. 

 Adult stage, secreted envelope enclosing the ciliate and distal portion of an 

 exoskeletal "hair" of the host; contractile vacuole and field of basal granules 

 shown; xlOOO. F. Adult undergoing budding; xlOOO. G. Ciliated larva emerg- 

 ing from the parental membrane; x2()00. H. Larva impaled upon an exo- 

 skeletal hair which extends into the pharynx; x2000. I. Young sessile form, 

 cilia discarded and envelope completely formctl; xlOOO. J. Cyathodinium 

 piriforme da Ciniha, from guinea pig; ventro-lateral view showing peristome, 

 macronucleus. micronucleus, contractile vacuole; x965 (after Lucas). 



sea-urchins. The body is much flattened and the anterior end forms a 

 frontal lobe which overhangs the cytostome (Fig. 7. 14, A, F). The somatic 

 ciliation is complete and essentially uniform. 



The family includes Entodiscus Madsen (172, 173; Fig. 7. 14, E, F) and Entorhipidium 

 Lynch (136; Fig. 7. 14, A-D). 



