fttth 



K C- , &mSf 



c. vac 



4.Codonella 



> 



3. Stenror 



c:s 



c. far 



u.mb 



12.MulHcilia IS.Lophomonas 



IB.Trachelius I9.0f>hryoglena 

 KS.Condvlosfoma 



I7.0palinopsis 



FIG. 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. vac. 

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

 nucleus ; mth. mouth ; nu. nucleus ; ntc. nematocyst ; p. (in 15) a Paramcecium seized by 

 Didiniuml; t. tentacle ; u. mb. undulating membrane ; vac. non- contractile vacuole ; rat. 

 vestibule. (From Biitschli'a Protozoa, after various authors.) 



