92 



PROCEEDINGS OF THE NATIONAL MUSEUM 



VOL. 86 



FiGDRB 34. — Prothiostomum loiatum, new species: A, Ventral view of body; B, ventral 

 view of middli' of body, ab, Accessory bladder; b. brain; c, ^yes ; en, onttron; p, 

 pharynx ; pe, penis ; au, sucker ; sv, seminal vesicle ; vd, vas deferens ; d, male opening ; 

 ?, female opening. 



