28 



DEPARTMENT OF GAME AND FISHERIES 



No. 9 



^^ S0%. 

 Orlfitia.} 



Oni Dept of Gdme 

 a Vishenes 



Et.V 



Fig. S.—Psilustomum oniatrae: os., Oral sucker; ph., Pharynx; eso., Oseophagus; ce., 

 Ceca; cs., Cirrus sac; vit., Vitellaria; vs., Ventral sucker; ut., Uterus; ov., Ovary; t., Testis; 

 ex. p.. Excretory pore. (Original, Law and Kennedy.) 



