584 



BULLETIN OF THE BUREAU OF FISHERIES. 



Distomum valdeinfatum Stossich. 



Linton, 1898, p. 527; Linton, 1901, p. 416, etc. 



Hosts: A lutera schoepfii (capsules in peritoneum), 

 Menidia menidia notata (cysts in liver and body 

 cavity), Opsanus tau, Spheroides maculatus. 



Distomum veliporum Creplin. 



Linton, 1898, p. 521; Linton, 1901, p. 416, 431. 

 From stomach of Raja l<zvis. 



Distomum -vibex Linton. 



Linton, 1900, p. 291 (sp. nov.); Linton, 1901, 

 p. 416, 464. 



From Batistes -vetula and Spheroides maculatus 



(intestine and pharynx). 

 Distomum -vitellosum Linton. 



Linton, 1900, p. 290 (sp. nov.); Linton, 1901, 

 p. 416, etc. 



Hosts: Anguilla chrysypa, Brevoortia tyrannus, 

 Clupea harengus, Cynoscion regalis (intestine), 

 Decapterus macarellus, Leptocephalus conger 

 (intestine), Limanda ferruginea (intestine), 

 Lophopsetta maculaia, Menticirrhus saxatilis 

 (intestine), Merluccius bilinearis (intestine), 

 Microgadus tomcod, Morone americana, Para- 

 lichthys dcntatus (intestine), Paralichthys ob- 

 longus, Pomatomus saltatrix (alimentary canal), 

 Pomolobus pseudoharengus, Prionotus caro- 

 linus, Pseudopleuronectes americanus (intes- 

 tine), Sarda sarda (intestine), Scomber scom- 

 brus, Spheroides maculatus (intestine), Steno- 

 tomiis chrysops, Tautoga onitis, Tautogolabrus 

 adspersus (intestine). 



Distomum, sp. sp. (unidentified). 



Species referable to this genus, but not deter- 

 minable owing to immaturity or other reasons 

 were found by Dr. Linton in the folio whig hosts : 

 Achirus fasciatus, A lutera schoepfii, Anchoma 

 broumii, A nguilla chrysypa, Brevoortia tyrannus, 

 Carangus crysos, Enchelyopus cimbmis (intes- 

 tine), Fundulus heteroclitus (intestine), Gadus 

 callarias (encysted under skin), Gasterosteus 

 aculeatus, Lagocephalus Iczmgatus (intestine), 

 Limanda ferruginea (intestine), Melanogram- 

 mus aglefinus, Menidia menidia notata, 

 Menticirrhus saxatilis (intestine), Microgadus 

 tomcod (encysted under skin), Morone ameri- 

 cana (encysted ova in liver), Myoxocephalus 

 aeneus, Myoxocephalus octodecimspinosus, Op- 

 sanus tau (intestine), Palinurichthys perci- 

 formis, Paralichthys dentatus, Paralichthys 

 oblongus, Pomatomus saltatrix, Poronotus tria- 

 canthus, Prionotus carolinus (intestine), Pri- 

 onotus slrigatus, Pseudopleuronectes americanus 

 (on viscera and in intestinal walls), Ptero- 

 phryne histrio, Scomberomorus maculatus (cysts 

 in intestinal wall), Seriola lalandi, Stenotomus 

 chrysops, Tautoga onitis, Tautogolabrus adsper- 

 sus, Trichiurus lepturus. 



Epibdella bumpusii Linton. 



Linton, 1900, p. 286 (sp. nov.); Linton, 1901, 



p. 414, 433. 



An external parasite on Dasyatis centrura. 

 See Linton, 1900, p. 287, for an interesting 



account of egg formation in this species. 



Epibdella hippoglossi Miiller. 



From Hippoglossus hippoglossus. 



Gasterostomum arcuatum Linton. 



Linton, 1900, p. 297 (sp. nov.); Linton, 1901, 



p. 416, etc. 

 Hosts: Brevoortia tyrannus, Carcharhinus obscurus 



(spiral valve), Sarda sarda (pylorus, stomach, 



intestine, pyloric coeca). 



Gasterostomum oi>atum Linton. 



Linton, 1898, p. 541 (Monostomum orbicular e)\ 

 Linton, 1900, p. 297 (Gasterostomum ovalum, 

 sp. nov.); Linton, 1901, p. 416, 457. 

 From intestine of Lobotes surinamensis. 



Gasterostomum sp. 



Linton, 1901, p. 416, 442, 447. 



Undetermined species referable to this genus 

 were taken from Menidia menidia notata, 

 Scomberomorus maculatus (intestine, common), 

 Seriola lalandi, and from Tylosurus marinus. 



? Hexacotyle thynni (De la Roche). 

 Linton, 1901, p. 414, 446. 



One specimen taken from mouth of Sarda sarda, 

 August 7, 1900. 



Microcotyle hiatula; Goto. 



Goto, 1900, p. 281 (sp. nov.). 



From gills of Tautoga onitis, Newport. 



Microcotyle longicauda Goto. 

 Goto, 1900, p. 282 (sp. nov.). 

 From gills of Cynoscion regalis, Newport. 



Microcotyle pomaiomi Goto. 

 Goto, 1900, p. 279 (sp. nov.). 

 From gills of Pomatdmus saltatrix, Newport. 

 Microcotyle stenotomi Goto. 

 Goto, 1900, p. 279 (sp. nov.). 

 From gills of Stenotomus chrysops, Newport. 

 Microcotyle sp. 



Linton, 1901, p. 414, 451. 



Hosts: Cynoscion regalis, Pomatomus saltatrix 

 (external), Poronotus triacanthus, Tylosurus 

 marinus. 



Monostomum mnal-ed-wardsii Linton. 



Linton, 1901, p. 416, 470 (sp. nov.). 



Internal parasite of Opsanus tau, numerous. 

 Monostomum sp. 



Linton, 1901, p. 416, 439. 



Hosts: Pomolobus pseudoharengus, Poronotus 

 triacanthus. 



