HOLOTRICHA 



545 



ated; ciliary tufts at both ends; contractile vacuole terminal; in 

 colon of horse or stomach of ruminants. 



Genus Blepharocorys Bundle. Oral groove deep, near anterior 

 end; 3 (oral, dorsal and ventral) ciliary zones at anterior end; 



Fig. 249. a, Paraisotricha colpoidea, X270 (Hsiung); b, P. beckeri, 

 X360 (Hsiung); c, Isotricha prostoma, X500 (Becker and Talbott); 

 d, /. intestinalis, XoOO (Becker and Talbott); e, Dasytricha rmninan- 

 tiurn, X330 (Becker and Talbott); f, Cyathodinium piriforme, X1290 

 (Lucas); g, Blepharocorys uncinata, X540 (Reichenow); h, B.bovis, 

 X850 (Dogiel); i, Charon equi, X570 (Hsiung). 



caudal ciHary zone single; in caecum and colon of horse or 

 stomach of cattle. Many species. 



B. uncinata (Fiorentini) {B. equi Schumacher) (Fig. 249, g). 

 With a screw-hke anterior process; 55-74^t by 22-30/z; in caecum 

 and colon of horse. 



B. bovis Dogiel (Fig. 249, h). 23-37m by 10-17m; in stomach of 

 cattle. 



