HOLOTRICHA 



753 



B. uncinata (Fiorentini) (B. equi Schumacher) (Fig. 320, g). With 

 a screw-like anterior process; 55-74/z by 22-30^; in the caecum and 

 colon of horse (Hsiung, 1930a). 



B. bovis Dogiel (Fig. 320, h). 23-37/z by 10-17//; in the stomach of 

 cattle (Dogiel, 1926). 



Genus Charon Jameson. Two caudal ciliary zones; in the colon of 

 horse or in stomach of ruminants. 



C. equi Hsiung (Fig. 320, i). 30-48m by 10-14ju; in the colon of 

 horse (Hsiung, 1930, 1930a). 



Family 15 Conidophryidae Mohr and LeVeque 



(Pilisuctoridae Chatton and Lwoff) 



Genus Conidophrys Chatton and Lwoff (Fig. 321). Trophont or 

 the form attached to host's appendages (a), cylindrical, with a thick 

 pellicle; contents divide into two or three (and up to several) smaller 

 bodies which develop into tomites or free-swimming individuals (b) ; 

 when the latter come in contact with the ends of the secretory hairs 



Fig. 322. Conidiophrys pilisuctor (Chatton and Lwoff). a, trophonts of 

 all ages on an appendage of Corophium acherusicum; b, a stained mature 

 trophont with two formed and one developing tomites, X1330; c, a tomite 

 emerging from trophont, X1330; d, a living tomite, X2230; e, newly at- 

 tached lacrymoid trophont, X1330. 



