PARASITES OF FISHES GE BEAUFORT, NORTH CAROLINA. 

 Mouacanthus hispidus, File-fish. 



401 



S.CANTHOI EPHALA. 



1. Echinorhynchus pristis Rudolphi. 



L902.— July 25, 1, male. 



CESTODES. 



2. Scolex polymorphus Rudolphi. 



1902. — July S, few. July 1-t. numerous, forms with one costa on bothria. July 18, few. July 



19, several. July 2.1, 23, few, forms with twe stse. July '_'.">, few, minute. July 26, few, forms 



with tw istse. Aug. 11; 1. 



:;. Cysts. 



1902. — July 7, small cysts on viscera; no larvse found. 



TREMATODES. 



4. Distomum vitellosum Linton. 



1902.— July 8, 1. 



5. Distomum valde-inflatum Stossich. 



1902. — July 16, 1. in capsule on viscera. Dimensions, life, compressed, in millimeters: Diameter 

 of capsule 1.05; length of distome 0.85; diameter, anterior 0.21, posterior 0.45 (nearly uniform from 

 ventral Buckerback); diameter of oral sucker it. is, of ventral surker 0.19. Thirty-four oral spines, 

 double row dorsal and ventral, single row lateral. This arrangement of hooks is like that of Distomum 

 imparispine from Rachycentrmi /■mm/lnx. July is, 1. 



6. Cercarix. 



1902. — July 8, :! redia-like bodies from body cavity; shape reniforra with a few nil globules in the 

 hilus; several individual aggregations of cells which are probably young ' 'ercarise. Dimensions in milli- 

 meters: Redia, length 1.05; breadth 0.45; cercaria from 0.07 to 0.15 in length. 



Alutera schoepfii, File-fish. 



No entozoa were found save one small cyst with nothing in it that could lie identified. 



3. B. F. 1904—26 



