mth 



l.Prorodon 2.Nycrorherus 



1 4.Codonella 



^i^^. Lacry maria 



Sfen " r 



12,MulNcilia 13.Lo|>homonas 



ie.Condy?os f on,a - ^"^elius ig.Ophryoglena 

 I7.0palinopsis 



PIG. 71. 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. roc. 

 contractile vacuole ; /. vac. food vacuole ; y. gullet ; my. nu. meganuolcus ; mi. nu. micro- 

 nucleus ; mth. mouth ; nu. nucleus ; ntc. uematocyst ; p. (in 15) a Paiutnoecium seized by 

 Didimium', t. tentacle; v.. mb. undulating membrane; roc. non-contractile vacuole; i-st. 

 vestibule. (PYom Butschli's Protozoa, after various authors.) 



