BIOLOGICAL SURVEY OF WOODS HOLE AND VICINITY. 



593 



Ascaris habcna Linton. 



Linton, 1900, p. 302 (sp. nov.); Linton, 1901, p. 

 410, 468. 



Hosts: Gadus callarias, Lophopsetta maculata, 

 Myoxocephalus asneut, Myoxocephalus octo- 

 decimo pi no sus, Opsanus tau (stomach and 

 intestine, common), Palinurichthys percifor- 

 mis, Pomolobus mediocris, Prionotus carolinus, 

 Pseudoplcuronectes amcricanus, Scombero- 

 morus . maculatus, Spheroides maculatus, 

 Urophycis chuss, Urophycis tenuis. 



Ascaris increscens Molin. 

 Linton, 1901, p. 410, etc. 



Hosts: Coryphczna hippurus (stomach); Lophius 

 piscatorius. 



Ascaris incurva Rudolphi. 



Linton, 1901, p. 410, etc. 



Hosts: Hippoglossoides platessoides (rectum, 

 rare), Scriola zonata (stomach), Scombero- 

 morus maculatus (intestine, rare), Seriola 

 lalandi, Tctraplerus imperaior (intestine and 

 rectum, rare), Xiphias gladius (stomach, 

 common). 



Ascaris inquies Linton. 



Linton, 1901, p. 410,452 (sp. nov.). 



From stomach of Rachycentron canadus (many). 



Ascaris neglecta Leidy. 

 Linton, 1901, p. 410, 465. 

 From intestine of Chilomycterus schaepfi. 



? Ascaris rigida Rudolphi. 

 Linton, 1901, p. 410, 488. 

 Host: Lophius piscatorius, 



Ascaris rotundata Rudolphi. 

 Linton, 1901, p. 410, etc. 



Hosts: Raja eglanteria; Raja erinacea (stomach 

 and intestine), Raja Itevis, Raja ocellata. 



Ascaris sp. 



Linton, 1901, p. 410, etc. 



Unidentified (for the most part immature) 

 worms referred to this genus are recorded for 

 the following hosts: Alosa sapidissima, Bros- 

 mius brosmc, Carcharias littoralis, Chipca 

 harengus, Dasyatis centrura, Hemitripterus 

 americanus, Lagocephalus laevigatus, Macrou- 

 rus bairdii, Menticirrhus saxatilis, Micro gadus 

 tomcod, Mustelus canis (peritoneal capsules), 

 Myoxocephalus ceneus, Osmcrus mordax, Para- 

 lichthys dentalus (intestine^, Pomolobus medi- 

 ocris (stomach), Pscudopleuronectes ameri- 

 canus, Roccus lineatus, Sarda sarda (stomach), 

 Scomber scombrus, Stenotomus chrysops, Tylo- 

 surus acus, Urophycis tenuis. 



Dacnitis Mans Dujardin. 

 Linton, 1901, p. 410, 436. 

 From intestine of Leptocephalus conger. 



Dacnitis sphasrocephala Dujardin. 

 Linton, 1901, p. 410, 435. 

 From intestine of Acipenser sturio. 



Filaria rubra Leidy. 



Linton, 1901, p. 410, etc. 



Hosts: Centropristes striatus (under skin), Roccus 

 lineatus (from flesh). 



Filaria, sp. undet. 



Host: Menidia menidia notata.- 



-Linton. 



Heterakisfoveolata (Rudolphi). 



Linton, 1901, p. 410, etc. (Cucullanus globosus}. 

 Hosts: Carangus crysos, Gadus callarias, Hippo- 

 glosstis hippoglossus, Lophius piscatorius (in- 

 testine), Melanogrammus ceglcfinus, Pomolo- 

 bus <zstivalis, Urophycis chuss. 



Heterakis, sp. undet. 



Linton, 1901, p. 410, 441, 453 (Cucullanus, sp.). 

 Hosts: Fundulus diaphanus, Fundulus hetero- 



clitus, Fundulus majalis, Morons americana, 



Poronotus triacanthus. 



Ichthyonema globiceps (Rudolphi). 



Linton, 1901, p. 410, etc. 



Hosts: Lobotcs surinamenus (peritoneum), Poma- 

 tomus saltatrix (ovaries), Scomberomorus macu- 

 latus (ovary, rare), Tarpon atlanticus. 



? Ichthyonema sanguineum (Rudolphi). 

 Linton, 1900, p. 304; Linton, 1901, p. 410, 482. 

 From mouth of Paralichthys dentatus. 



Ichthyonema sp. 



Linton, 1901, p. 410, 428, etc. 



Undetermined worms referred to this genus were 

 found in ChcEtodiptcrus faber (abdominal cav- 

 ity), Hippoglossoides platessoides (intestine), 

 Microgadus tomcod, Poronotus triacanthus, 

 Pseudopleuronectcs americanus, Roccus lineatus' 

 Sarda sarda (beneath skin in gill cavity), 

 Sphyrna zygasna (liver), Urophycis tenuis. 



Lecanocephalus annulatus (Molin). 

 Linton, 1901, p. 410, 455. 



Hosts: Anguilla chrysypa, Morone americana, 

 Palinurichthys perciformis, Poronotus triacan- 

 thus, Roccus lineatus (peritoneum, very rare). 



