50 PEOCEEDINGS OF THE NATIONAL, MUSEUM. vol. 04. 



Synbothrium fllicolle in a piece of siibmucosa 12 by 8 mm., a large 

 part of the stomach similarly infected; typical cyst 1.4 by 0.8 mm., 

 largest 2 by 1.25 mm. 



August 29 : Very numerous in submucosa of stomach. 



August 30: 1 cyst seen in submucosa, a few portions only of the 

 stomach examined. 



C eratacanthus schoe'pfii. 



1909, August 17 : Numerous cysts in the flesh, most abundant near 

 the back bone, associated with larvae of Dibofhrium, species. 

 Dimensions of one: Cyst 1.12 by 0.70; plerocercus 0.90 by 0.50; 

 length of scolex 0.33. 



Cynoscion regalis. 



1903, August 20: Cysts in stomach wall; 1 fish examined. 



1904, July 8 : Cysts in stomach wall ; 4 fish examined. August 6 : 

 2 cysts, one of which contained 3 plerocerci. 



1905, July 8 to 27: Cysts in stomach wall, few to many, in some 

 cases associated with T. bisulcahis; on six dates; 29 fish examined. 



Fundidus heterocUtus. 



1904, August 26 : 1 scolex, in dish in which viscera of 104 fish 

 had been lying. 



Lobotes sunnamensis. 



1908, August 15 : Numerous, encysted in stomach wall. 



Paralichthys dentatus. 



1910, July 28: Encysted in stomach wall; 1 fish examined. 

 1920, August 25 : Cysts in stomach wall, associated with R. bul- 



hifer^ 1 fish examined. 



Peprilus alepidotiis. 



1908, July 24: Three fish, 11.5, 12.5, and 13.5 centimeters in length 

 examined on this date. Each had numerous cysts in the flesh. 

 Diameter of cyst, 0.7 by 0.5; plerocercus active, contracting be- 

 tween the lengths, 0.5 and 0.8; scolex, compressed, length, 0.8, 

 diameter, 0.35, diameter of neck, 0.16, of scolex, 0.35, length of 

 bothrium, 0.35 ; bulbs, length 0.07, breadth, 0.04. 



July 29 : Five fish, 13.5 centimeters in length, all had cysts in the 

 flesh, 3 numerous, 2 many. Fish from Menemsha Bight trap. 

 Cysts distributed as in the common butterfish, viz. above and below 

 the vertebrae, most abundant ventral to the vertebrae above the 

 posterior end of the body cavity, and between the body cavity and 

 the caudal fin. 



August 7: Two fish from Nantucket, J. H. Barrett, collector. 

 These fish, 13 and 14 centimeters in length respectively, each had 



