502 



PROTOZOOLOGY 



C. hirtus (Miiller) (Fig. 231, a). 40-65ju long; 15-20 rows of 

 platelets; 3 posterior processes; fresh water. 



C. elongatus Ehrenberg (Fig. 231, h). 40-55^ long; slender; 

 about 13 rows (Noland) or 14-17 rows (Kahl) of platelets; 3 

 posterior processes; fresh water. 



Fig. 231. a, Coleps hirtus, X530 (Noland); b, C. elongatus, X530 

 (Noland); c, C. bicuspis, X530 (Noland); d, C. octospinus, X530 

 (Noland); e, C. spiralis, X400 (Noland); f, C. heter acanthus, X400 

 (Noland); g, Tiarina fuscus, x53Cf (Faur6-Fremiet); h, Actinoholina 

 vorax, X300 (Wenrich); i, Dactylochlamys pisciformis, X330 (Kahl); 

 j, Enchelyomorpha vermiciilaris, X670 (Kahl). 



C. bicuspis Noland (Fig. 231, c). About 55ju long; 16 rows of 

 platelets ; 2 posterior processes ; fresh water. 



C. octospinus N. (Fig. 231, rf). 80-1 10m long; 8 posterior spines; 



