1932 



ANNUAL REPORT, 1931 



31 





Fig. 10. — Echinostomum callawayensis: 

 OS., Oral sucker; ph.. Pharynx; oes., Oeso- 

 phagus; c. Cirrus sac; vs.. Ventral sucker; 

 ce.,Ceca; ut., Uterus; vit., Vitellaria; ov., 

 Ovary; t.. Testis; ex.c, Excretory canal. 

 (Original, Law and Kennedy.) 



ONTA M I O 



