PARASITES OF FISHES OF BEAUFORT, NORTH CAROLINA. 



CESTODBS. 



415 



1 Scoli c polymorphua Rudolphi. 



1901. — July l".', numerous. 



1902. — July 15, very small. A few noted iu small piece of intestine which was being examined 

 under the compound microscope. Aug. I, few, good size; some from cystic duct. 



5. Tetrarhynctuus bi&ulcatus Linton. 



1902. — July 15, I'M. Aug. 1, 18, 25, from cysts in stomach wall. 



6. Synbothrium filicolle Linton. 



1901. — July 22, from viscera; type with Blender spine-like hooks on proboscides; hooks with 

 minute notches on the end. 



7. i 'eslode larva. 



1902. — Aug. is, an elongated specimen; probably a Dibothrium. Agrees with No. 9 under Paral- 

 ichthys albiguttus. 

 s. Cysts. 



1901. — July 22, numerous small cysts were found in the stomach-wall which, however, could not 

 be identified. 



TREMATODES. 



9. Dislomum appendiculatum Linton (?). 



1902. — July 15, a small appendiculate distome which was accidentally crushed before the examina- 

 tion was complete. The posterior end was filled with ova which concealed the reproductive organs. 

 Dimensions, in millimeters: Diameter of oral sucker 0.09, of ventral sucker 0.21; ova 0.036 by 0.022, 

 many of the ova considerably smaller at one end than the other. 



10. Distomum dentatum Linton. 



1901. — Aug. 8, 2, small specimens without spines and otherwise in poor condition, but apparently 

 belonging to this species. 



1902. — July 23, 1, small oval, no spines around mouth, but in other particulars agreeing with this 

 species; ventral sucker but little larger than oral. Also a few very small distomes, length 0.6 mm., 

 were noted, which made their appearance when a comparatively large cyst was broken, liberating the 

 white granular contents. Aug. 11, several. 



11. Distomum sp. 



Same as form shown in fig. 171. 

 1902.— Aug. 18, 1. 



Etropus crossotus. 



1. Scdlex polymorphus Rudolphi. 

 One, small. 



Symphurus plagiusa, Acedia, "Sole.' 



