586 



BULLETIN OF THE BUREAU OF FISHERIES. 



Dibothrium manubriforme Linton. 

 Linton, 1889, p. 45 6 ( S P- nov.); Linton, 1890, 



p. 728; Linton, 18973, p. 429; Linton, 1901, 



p. 411, etc. 

 Hosts: Istiophorus nigricans (intestine), Telrap- 



terus imperator (intestine). 



Dibothrium microcephalum (Rudolphi). 



Linton, 1890, p. 736; Linton, 1901, p. 4". 465- 

 From intestine of Mola mola (common). 



Dibothrium plicatum (Rudolphi). 



Linton, 1890, p. 746; Linton, 18973, p. 43; 



Linton, 1901, p. 412, 448. 

 From intestine of Xiphias gladius. 



Dibothrium punctatum (Rudolphi). 



Linton, 1890, p. 731; Linton, 18973, p. 43 - . 

 Linton, 1901, p. 4". etc - 



Hosts: Decapterus punctatus, Hemitripterus 

 americanus, Hippoglossushippoglossus, Liman- 

 dajerruginea (intestine), Lophopsetta maculata 

 (intestine), Myoxocephalus aneus, Myoxocepha- 

 lus octodecimspinosus, Palinurichthys percifor- 

 mis, Paralichthysdentatus, Paralichthysoblongus 

 (intestine), Pseudopkuronectes americanus, 

 Scomber scombrus (intestine), Trachurops cru- 

 menophthalmus, Urophycis chuss. 



Dibothrium restiforme Linton. 



Linton, 1890, p. 722 (sp. nov.); Linton, 1901, p. 



4H. 443- 

 From intestine of Tylosurus acus. 



Dibothrium rugosum (Rudolphi). 



Linton, 1890, p. 750; Linton, 18973, p. 431; 

 Linton, 1901, p. 412, 476. 



Hosts: Gadus callarias (pyloric ccecs), Melano- 

 grammus osgkfinus, Microgadus tomcod, Uro- 

 phycis tcnuis. 



Dibothrium sp. 



Linton, 1901, p. 412, etc. 



Undetermined species of this genus found in 

 spiral valve of Mustelus canis, and larvae in 

 Alutera schoepfii, Carangus crysos, Gasterosteus 

 acukatus, Lagocephalus Icevigatus, Lophius 

 piscatorius, Myoxocephalus ceneus, Scomber 

 scombrus (intestine), Seriola lalandi, Sphe- 

 roides maculatus. 



Dinabothrium seplaria Beneden. 



Host: Carcharodon carcharias. Linton, MS. 



Discocephalum pileatum Linton. 



Linton, 1890, p. 781 (sp. nov.); Linton, 1901, p. 



412, 427. 

 From spiral valve of Carcharhinus obscurus. 



Echeneiboihrium -variabile Beneden. 



Linton, 1889, p. 460; Linton, 1890, p. 766; 



Linton, 18973^.440; Linton, 1901, p. 412, 431. 

 From spiral valve of Raja erinacca, Raja lavis, 



Raja ocellata. 



Echeneibothrium sp. 



Linton, 1901, p. 412, etc. 

 Hosts: Myliobatis freminmlki (spiral 

 Rhino ptera bonasus (spiral valve). 



valve), 



Lecanicephalum peltatum Linton. 



Linton, 1890, p. 802 (sp. nov.); Linton, 1901, 



p. 412, 433. 

 From spiral valve of Dasyatis centrura. 



Ligula sp. larva. 



Linton, 1897, p. 788; Linton, 1901, p. 



(Ligula chylomycteri) . 

 From spleen of Chilomycterus schcepfi. 



4 12 . 



Monorygma sp. 



Linton, 1901, p. 412, etc. 



Hosts: Carcharhinus milberti, Galeocerdo tigrinus, 

 Isurus dekayi (all in spiral valve), Raja 

 Items, Squalus acanthias. 



Onchobothrhim uncinatum (Rudolphi). 



Linton, 18973, p. 446; Linton, 1901, p. 412, 433. 

 From spiral valve of Dasyatis centrura. 



Orygmatobothrium crenulatum Linton. 



Linton, 18973, p. 444 (sp. nov.); Linton, 1901. 



p. 412, 433. 

 From spiral valve of Dasyatis centrura. 



Orvgmatobothrium paulum Linton. 



Linton, 18973, p. 444 (sp. nov.); Linton, 1901, 



p. 412, 426. 

 From spiral valve of Galeocerdo tigrinus. 



Otobothrhnn crenacolk Linton. 



Linton, 1890, p. 850 (sp. nov.); Linton, 1901, p. 

 412, 428; Linton, 1907, p. 113 et seq. 



Adult worms abundant in the spiral valve of 

 Sphyrna zygoma; cysts abundant in the flesh of 

 Poronotus triacanthus.-liave likewise beenfound 

 encysted in the viscers of the following fishes 

 tsken in local wsters: Alutera schoepfii, Car- 

 charhinus obscurus, Cynoscion regalis, Fundu- 

 lus lieteroclitus, Mustelus canis, Paralichthys 

 dentatus, Sarda sarda, Trichiurus lepturus, 

 Xiphias gladius. 



Otobothrium dipsacum Linton. 



Linton, 1897, p. 806 (sp. nov.); Linton, 1901, p. 



412, 451. 

 Host: Pomatomus saltatrix. 



