bulletin of the bureau of fisheries. 
586 
Dibothrium manubriforme Linton. 
Linton, 1889, p. 456 (sp. nov.); Linton, 1890, 
p. 728; Linton, 1897a, p. 429; Linton, 1901, 
p. 411, etc. 
Hosts: Istiophorus nigricans (intestine), Tetrap- 
terus imperaior (intestine). 
Dibothrium microcephalum (Rudolphi). 
Linton, 1890, p. 736; Linton, 1901, p. 411, 465. 
From intestine of Mola mola (common). 
Dibothrium plicatum (Rudolphi). 
Linton, 1890, p. 746; Linton, 1897a, p. 430, 
Linton, 1901, p. 412, 448. 
From intestine of Xiphias gladius. 
Dibothrium punctatum (Rudolphi). 
Linton, 1890, p. 731; Linton, 1897a, p. 430; 
Linton, 1901, p. 411, etc. 
Hosts: Decapterus punctatus, Hemitripterus 
americanus, Hippoglossushippoglossus, Liman- 
da ferruginea (intestine), Lophopsetta maculata 
(intestine), Myoxocephalus ceneus, Myoxocepha- 
lus octodecimspinosus, Palinurichthys percifor- 
mis, Paralichthys dentatus, Paralichthys oblongus 
(intestine), Pseudo pleuronectes americanus, 
Scomber scombrus (intestine), Trachurops cru- 
menophthalmus, Urophycis chuss. 
Dibothrium restiforme Linton. 
Linton, 1890, p. 722 (sp. nov.); Linton, 1901, p. 
41U 443- 
From intestine of Tylosurus acus. 
Dibothrium rugosum (Rudolphi). 
Linton, 1890, p. 750; Linton, 1897a, p. 431; 
Linton, 1901, p. 412, 476. 
Hosts: Gadus callarias (pyloric cceca), Melano- 
grammus ceglefinus, Microgadus tomcod, Uro- 
phycis tenuis. 
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 
aculeatus, Lagocephalus Icevigatus, Lophius 
piscatorius, Myoxocephalus ccneus, Scomber 
scombrus (intestine), Seriola lalandi, Sphe- 
roides maculatus. 
Dinabothrium sepiaria 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. 
Echeneibothrium variabile Beneden. 
Linton, 1889, p. 460; Linton, 1890, p. 766; 
Linton, 1897a, p.440; Linton, 1901, p.412,431. 
From spiral valve of Raja erinacea, Raja IcBvis, 
Raja ocellata. 
Echeneibothrium sp. 
Linton, 1901, p. 412, etc. 
Hosts: Myliobatis freminvillei (spiral valve), 
Rhinoptera bonasus (spiral valve). 
Lecanice phalum 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. 412. 465, 
( Ligula chylomycteri) . 
From spleen of Chilomycterus schcepfi. 
Monorygma sp. 
Linton, 1901, p. 412, etc. 
Hosts: Carcharhinus milberti, Galeocerdo tigrinus, 
Isurus dekayi (all in spiral valve), Raja 
Icevis, Squalus acantliias. 
Onchobothrium uncinatum (Rudolphi). 
Linton, 1897a, p. 446; Linton, 1901, p. 412, 433. 
From spiral valve of Dasyatis centrura. 
Orygmatobothrium crenulatum Linton. 
Linton, 1897a, p. 444 (sp. nov.); Linton, 1901, 
p. 412, 433. 
From spiral valve of Dasyatis centrura. 
Orygmatobothrium paulum Linton. 
Linton, 1897a, p. 444 (sp. nov.); Linton, 1901, 
p. 412, 426. 
From spiral valve of Galeocerdo tigrinus. 
Otobothrium crenacolle 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 zygaena; cysts abundant in the flesh of 
Po ro no tus triacanthus; have likewise been found 
encysted in the viscera of the following fishes 
taken in local waters: Alutera schoepfii, Car- 
charhinus obscurus, Cynoscion regalis, Fundu- 
lus heteroclitus, Mustelus canis, Paralichthys 
dentatus, Sarda sarda, Trickiurus lepturus, 
Xiphias gladius. 
Otobothrium dipsacum Linton. 
Linton, 1897, p. 806 (sp. nov.); Linton, 1901, p. 
412, 451. 
I Host: Pomatomus saltatrix. 
