94 PROCEEDINGS OF THE NATIONAI^ MUSEUM. vol. ti4. 



Prionotus earoliivii-s. 



Collected in 4 of tlie years from 1905 to 1911 : On 2 dates in July, 

 1 cyst in wall of esophagus on each date, 3 fish examined ; 2 dates in 

 August — (1) few cysts in stomach wall, more or less degenerated; 

 (2) 3 cysts in flesh, beside anal fin, and 1 cyst on serous coat of in- 

 testine; 1 date in September, 3 cysts in flesh, above, and lateral to 

 backbone, about middle of body. 



PHo'}wtus strigatus. 



1905, August 23: Few cysts between muscular and submucous 

 coats of stomach. 



Raja erinacea. 



1911, July 21: 1 cyst from wall of intestine; scolex large with 

 faint pinkish tinge. 



Remora remora. 



1910, July 28 : About 12 cysts at beginning of stomach. 



Scomber scomhrus. 



1905, August 18 : Associated with Rhynchobothrium cysts between 

 coats of stomach. 



1912, July 5 : 2 cysts which appeared to be a young stage of this 

 species, on pyloric caeca. 



Spheroides maculatus. 



Collected in 4 of the years from 1905 to 1910 : On 2 dates in July — 

 (1) few cysts on intestinal wall; (2) 1 cyst in stomach wall; 5 dates 

 in August, few cysts on each date, from serous coat of intestine on 

 1 date, from wall of stomach and intestine on the others. 



Urophycis chuss. 



1910, August 12: 1 cyst in wall of esophagus; scolex resembles this 

 species, but hooks appear to be smaller than usual, 3 fish examined. 



Xi'phias gladius. 



1904, July 15: Several cysts on viscera. July 20. Few scolcces 

 in alimentary canal ; introduced with food. 



TETRARHYNCHUS ELONGATUS Wagener. 



1890, pp. 812-813, pi. 67, figs. 9-12. 



1900, p. 282. 



1901, p. 466, pi. 23, figs. 257-260. 

 1911, p. 589. 



Mola raola. 



1914, July 20: About 25 in liver, under serous coat, but with 

 slender elongated poi-tions penetrating the substance of the liver; 

 still very active in sea water on July 21. 



(U.S.M.N., Helm. Coll. 7725.) 



