PARASITES OF FISHES OF THE WOODS HOLE REGIOK. 438 



3. Ptirntamiamedusia'Lmton. [PI. xxvi, figs. 290-291.] 2, pp. 862-866, pi. xv, figs. .5-9. 5, p. 44(1. 7. 



p. 275. July 19, 1899; very numerous?. 

 Much smaller than specimens found in previou.s years. Dimensions in millimeters; Length of 

 head and chain of 10 segments, 0.5; length of last segment, 0.2; length of head, 0.08; diameterof head, 

 0.08. In some the segments were rounded and the chain moniliform; in others the segments were 

 squarish or rectilinear in outline and crowded together; hut in all cases they separate easily from each 

 other. 



4. Spongiobothrium variabile UnUm. 1, pp. 462— 464, pi. ii, figs. 13-16. 2, pp. 778-780. 5, p. 442. 7, 



p. 275. July 19, 1899; 13 from upper part of spiral valve. 



5. Rhinchothrhmi flexile Ijinton. 2, jip. 768-771, pi. v, figs. 3-5. 7, p. 275. 



6. lilihieholhriiim rancellalnin Linton. 7, p. 275. See under Rh'moptem bunasus, No. 1. 



7. I'hijUiibothrinm foUatnm Linton. 2, pp. 787-794, pi. vi, figs. 5-10. 5, p. 443. 7, p. 275. Aug. 24, 



1899; 9, and a large numher of free proglottides. 



8. Aiithocephnhnn i/nirl/e Linton. 2, i)p. 794-79(i, pi. vii, figs. 1-2. 7, ji. 275. 



9. Lrniuii-eplicdiimpeMatum Linton. 2, pj). 802-805, pi. ix, figs. 2-4. 7, p. 275. July 19, 1899; 4. 



10. (lii/i/inalobutlinuiii crctiuhitum Linton. 5, p]i. 444-445, pi. xxxiii, figs. 9-12, jil. xx.viv, fig. 1. 



11. ^icanthobotlirimn pallium hinUm. 2, jip. 8I6-S19, pi. viii, ligs. 1-7. 7, p. 275. July 19, 1899; 25 



in lower part of spiral valve. 



12. Diifliobotliriiim uncinatam Diesing. 5, p. 446, [il. x.vxiv, figs. 2-5. 



13. Bhi/nrhobotlirium kixpidiim Linton. 2, pp. 833-835, pi. xi, figs. 12-17. 7, p. 275. July 19, 1899; 



very numerous, with many ripe j)roglottides. The latter become dark colored after lying in 

 water ior a few hours. The heads adhere very closely to the mucous membrane and may be 

 overlooked by the inexperien<-ed collector. 



14. Rlojnchfihotlir'mm lomji^pine Linton. 2, pp. 835-837, pi. xi, figs. 18-20. 



15. RlLijnchobullirium tcnulspine Linton. 2, pji. 837-838, pi. xii, tigs. 1-2. 5, pp. 448-449, pi. .y.xxiv, 



' fig. 8- . 



16. Rliijueliohothrhim wayerieri Lintou. 2, pj). 843-845, pi. .xii, figs. 10-12. 



17. Tetrivrliynchm tenuis Linton. 2, i)p. 853-855, pi. xiv, figs. 5,6. 5, ]>. 452. 



18. Telrarhynchtts robudus Linton. 2, pp. 855-857, pi. xiv, figs. 7-9. 



19. Teinirlninrlms. Cysts in the stomach wall. 4, pp. 80S-,S09. July 19, 1899; cysts under serous coat 



of .stomach and pylorus; also a large one on the si>leen. These were all filled with degenerate 

 ti.ssue, yellowish white and of a cheesy consisten<-y. 



20. Si/iibolltriiuii Jilirollr Linton. ISiiiiflentiioliotliriuti) Jilin/lb:] 2, pp. S61-.Sf;2, pi. xv. figs. 2-4. 4, p. 



819, pi. i.xviii, fig. 10. 7, \K 275. 



TKKMATonES. 



21. Eiiiliiblla bumjiusii JAnUm. External. '?, pp. 275, 286-287, pi. xxxiv, figs. 11-15. 



Mr. Vinal N. Edwards says that this ectoiiarasite is usually found on the sharp-nosed ray. 



22. Rraiicliiiibdcllii rat'cnclii Diesing. External. Found i.iu .-^evi-ral occa.sions. Iveport of I". S. Fish 



Commission for 1871-72, \i. 624, pi. xviii, fig. 89. 



23. In the intestinal contents of a sting ray examined July 19, 1899, i-normous mmdiers of small bodies 

 were seen, long-elliptical in outline and measuring 0.014 mui. and 0.006 rmii. in the two 

 principal diameters [pi. i, fig. 5]. 



. Myliobatis freruinvillei, Shin-ji-lirinbil Rmj. 



I'OOl>. 



The stomachs of the few sjiecimens which I have examined have been empty, with the exception 

 of one, in which were pieces of a large univahe nupllusk. proljalily Sycotypm. 



CESTODES. 



All cestodes from spiral valve. 



1. Rliiiiebolhrium luiigicoUe Linton. 2, pp. 77.5-778, pi. vr, figs. 1-4. 3, ]ip. 441, ]il. xxxiir, figs. ^—4. 

 7, p. 275. 



F. C. B. 1899— is 



