88 Mr. H. A. Bay lis on a 



nearly at the same level as the ovary and close to the inner 

 end of the cirrus-sac. 



The ovary is somewhat lobate and lies on the right side, 

 close to and just behind the ventral sucker. It measures 



Fio-. 1. 



Heterorchis crumenifer. 



Ventral view of the entire animal, X 34. C, intestinal caecum ; C.S., 

 cirrus-sac ; G., salivary glands ; O.S., oral sucker ; (Jo., 

 ovary; P., cirrus; Ph., pharynx; R.S. t receptaculum seminis; 

 T. 1 , left testis ; T.' 2 , right testis ; Ut., uterus ; V., vitelline 

 glands ; lag., vagina ; V.S., ventral sucker ; V.Sem., vesicula 

 seminalis. 



about 0*35 mm. antero-posteriorly and 0'2 mm. transversely. 

 Just behind the ovary there is a transversely elongated 

 receptaculum seminis, lying somewhat obliquely and below 



