On Aspidogaster ringens (Linton) and U. kemostoma n. sp. 



251 



M e a s u r e m e n t s : 



Leugth 3,5 



Lengtli of disc 1,7 



Ego-s 0,07 X 0,04 



Testes 0,37 X 0,25 



Breadth of liead 0,45 



Breadth of neck 0,33 



Asjndoffastey' ketnosto^iia n, sp. 



In the examination of fifty pompanos (Trachinotus carolinus) 

 h specimens of this type were found in the intestines. 



The worm measures 5 or 6 mm in length, the body about 0,6 mm 





Fii^. C. 



Fig. D. 



Fig. C. Aspidogaster kemostoma. Showing the general form of the body 

 aud the second disc. 



Fig. D. Aspidogaster kemostoma. ilfmouth. GO genital cloaca. OFovary. 



RS receptacuhim seniinis. H testicle. DS vitellarium. LC Laitrer's canal. ^ 



