TfUh 



"W^ 



■s 4 



wr^ _ r^ ^A--l ''41 



iProrodon 2 Nyctorherus ^\ f-j /'■fV^\^)' 



U.nM 



IS.Didinium 



I^Xondylbst-oma 



IS.Trachelius 19.0phryoglena 



iZOpalinopsis 



Fig. 71. — \';aious forms of Ciliata, 9a shows pai"t of a colonj', & a single zooid, and 

 c a couple of nematocysts ; a. anus ; c. (in 18) cuticle ; c. (in I'J) excretory canals ; c. tac. 

 contractile vacuole; /. car., food vacuole; *;. gullet; hkj- na. meganucleus ; mi. nu. micro- 

 nucleus; vitli. mouth; tim, nucleus ; nlc. uematocyst; /i. (in 15) a Param(eciuvi seized by 

 Vidiiiiiiuii; t. tentiLclc ; v.. mb. undulating membrane; vac. nou-contractilc vacuole; vst. 

 vestibule. (From Biltschli's Protozoa, after various authors,) 



