l.Prorodon 2.Nlycrorherus 



l2.Mulhcilia 13.Lophomonas 



18-Trachelius IQ.Ophryoglena 



" 16.Condvlosl-oma 

 IS.Didinium IZOpalinopsis 



Fia. 72. Various forms of Ciliata. 9a shows part of a colony, b a single zooid, and 

 c a couple of nematocysts ; a. anus ; c. (in 18) cuticle ; c. (in 19) excretory canals ; c, we. 

 contractile vacuole ; /. vac. food vacuole ; g. gullet ; mg. nu. meganucleus ; mi. nu. micro- 



nimlaiia */% mrm+h nti niinlAiia //. npmnfrv^.'ct. -n /in 1 r;\ a T>tirnvnn>ri.U'm Seized UV 



