48 



PEOCEEDINGS OF THE NATIONAL MUSEUM. 



VOL. 64. 



OTOBOTHRIUM CRENACOLLE Linton. 



Plate 13. 



IN FINAL HOST, ADULT. ENCYSTED, LABVAL. 



1890, pp. 849-853, pi. 13, 

 15; pi. 14, figs. 1-4. 



1900, p. 273. 



1901, p. 428. 

 1905, p. 344. 

 19076, p. 122. 

 1907e, p. 116. 

 1908b, pp. 163, 185. 



figs. 9- 1897&, Tetrarhynrhus, pt. pp. 807-809, 



pi, 16, figs. 6-9. 

 1901, Rhijuchobothrium, pp. 453-454, 



pi. 23, figs. 255-256a ; pi. 24, fig. 265. 

 Octobothriuni crenacolle. 

 1905, pp. 331, 340, 350, 363, 369, 372, 



377, 381, 384, 386, 388, 395, 409, 413, 



figs. 110-115. 

 1007&, pp. 113-132, pis. 1, 2. 

 1907(Z, pp. 99, 100. 

 1910a, pp. 692, 694-5. 

 19106, pp. 1201-1207. 



1911, p. 586. 



1912, pp. 5-9. 



1914, pp. 53-56. 



1915, pp 19-28. 



The adult stage of this cestode has been found in the spiral valve 

 of Oarcharhinus obscurus, at Beaufort, North Carolina, and Woods 

 Hole, Massachusetts ; C. plati/odon^ at Tortugas ; Scoliodon terro.e-no- 

 vae^ at Beaufort ; Cestracion zygaena^ at Woods Hole. 



In the encysted stage it has been found, in Bermuda, in Balistes 

 carolinensis, Diplodus sargus, Ocyunts chrysums; at Beaufort, in 

 Bairdiella chrysura^ G arckarhinus ohscwtms^ Goi'^phaena hippurus, 

 Cynoscion nebulosns^ Galeichthys milberti, Lagodon rhomboides, 

 Micropogon undulatus, Opsanus tau^ Orthopristes chrysopterus, 

 FomatoTnus saltatrix^ Scoliodon terrae-novae^ Scomberorncms 

 regalis; at Woods Hole, in Carchaihinus limbatvs^ C. commersonii, 

 C. obscuriirS, Garanx chrysos, Geratocanthus schoepfi., Gynoscion re- 

 galis^ Fundulus heteroclitus^ Galeorhinus laevis, Lobotes surana- 

 yjiensis, Paralichthys dentatus^ Peprilus alepidotus^ Pomatomus salta- 

 trix, Poronotus triacanthus, Sarda scnrla, ScoTri^eromorus cavalla, 

 Squalls acanthias, Trichiurus lepturus, Xiphias gladius. 



The encysted stage was found in the flesh of these species of fish; 

 G eratacanthus schoep-fli^ Peprilus alepidotus^ and Poronotus triacan- 

 thus. In other hosts it was found in the submucosa of the stomach 

 wall, in the mesentery, and on the viscera. 



Following are records of finds of this cestode not hitherto pub- 

 lished : 



Adult stage. All at Woods Hole, Mass. 



Garcharhinus obscurus, 

 1910, July 25 : 1. 

 1913, August 6 : 5. 



