SIS 



PROTOZOOLOGY 



Fig. 348. a, Ophryoscolex bircoronatus, X340 (Dogiel); b, 0. caudatus, 

 X310 (Dogiel); c, 0. quadricoronatus, X340 (Dogiel); d, Caloscolex 

 cuspidatus, X310 (Dogiel); e, Entodinium caudatum, X500 (Becker and 

 Talbott); f, E. bursa, X390 (Schuberg); g, A?nphacanthus ovum-rajae, 

 X350 (Dogiel). 



rior; macronucleus, cylindrical or sausage-form, dorsal; micronucleus 

 anterior to middle and on left-ventral side of macronucleus; in cattle 

 and sheep. Numerous species (Kofoid and MacLennan, 1930; Mac- 

 Lennan, 1935). 



E. caudatum S. (Fig. 348, e). 50-8 0/z long; in cattle and sheep. 



E. bursa S. (Fig. 348, /). 55-114/* by 37-78/* (Schuberg); 80/x by 

 60/t (Becker and Talbott) ; in the stomach of cattle. 



Genus Amphacanthus Dogiel. Similar to Entodinium; but spinous 

 processes at both anterior and posterior ends ; in stomach of Camelus 

 dromedarius. One species. 



A. ovum-rajae D. (Fig. 348, g). 46-55/z by 32-48/z. 



