BIOLOGICAL SURVEY OF WOODS HOLE AND VICINITY. 



643 



sinuatus Continued. 

 Hosts: Carcharhinus obscurus, Carcharias litto- 



ralis (very common), Carcharodon carcharias, 



Mustelus canis. 

 Breeds in July, August, September; eggs very 



numerous; nauplius larva very small and dark 



colored. 



Pandarus smith ii Rathbun. 



R. Rathbun, 1886, p. 315 (sp. nov.); M. J. Rath- 

 bun, 1905, p. 95; C. B. Wilson, i9O7b, p. 410. 



Hosts: Carcharhinus obscurus, Carcharias litloralis, 

 Carcharodon carcharias. 



Nesippus alatus Wilson. 



C. B. Wilson, iposb, p. 130 (sp. nov.); igojb, 

 p. 426; M. J. Rathbun, 1905, p. 94. 



Hosts: Carcharhinus obscurus, Carcharias litto- 

 ralis (females on gill arches, males on outside 

 of body), Fundulus majalis (caudal peduncle), 

 Mustelus canis. 



Breeds in July; nauplius of typical form. Wil- 

 son (MS.). 



Cecrops latrciUii Leach. 



Verrill and Smith, 1873, p. 577 (citing Gould); 

 R. Rathbun, 18843, p. 489; M. J. Rathbun, 

 1905, p. 96; C. B. Wilson, igo7b, p. 468. 



Parasitic on gills or outer body surface of Mola 

 mola, very numerous. 



Breeds from May to October. Wilson (MS.). 



Orthagoriscicola muricata (Kroyer). 



M. J. Rathbun, 1905, p. 96 (L&margus muri- 



catus), C. B. Wilson, igc^b, p. 473. 

 Hosts: -1/o la mola, Selene vomer. 



Philorthragoriscus serratus Kroyer. 

 C. B. Wilson, i9O7b, p. 479. 

 Vineyard Sound, on Mola mola. 



Family DICHELESTIID^E. 



Atithosoma crassum (Abildgaard). 



Verrill and Smith, 1873, p. 577, 460 (no local rec- 

 ords); R. Rathbun, 18843, p. 490; M. J. Rath- 

 bun, 1905, p. 97. 



Hosts: Carcharias littoralis, Squalus acanthias, 

 "mackerel shark," Mola mola; attached to 

 the inside of the opercula, roof of mouth, or a 

 fin, rather rare. Wilson (MS.). 



Lernanthro pus bre-voortia Rathbun. 



R. Rathbun, 1887, p. 563 (sp. nov.); M. J. Rath- 

 bun, 1905, p. 97. 



On gills of the menhaden (Brevoortia tyrannus), 

 very abundant at times. 



The male is not yet known. 



Lernanthropus pomatomi Rathbun. 



R. Rathbun, 1887, p. 567 (sp. nov.); M. J. Rath- 

 bun, 1905, p. 98. 



On gills of Pomatomus saltatrix, mostly female 

 specimens recorded . 



Dichelesthium sturionis Hermann. 



R. Rathbun, 18843, p. 490; M. J. Rathbun, 1905, 



p. 97. 

 From gill cavities and nasal cavities of "Acipen- 



ser oxyrhynchus" (=*turio). 

 Breeds in July. Wilson (MS.). 



Eudaclylina nigra Wilson. 



C. B. Wilson, 190513, j). 131 (sp. nov.); M. J. 



Rathbun, 1905, p. 97. 

 Type specimen from Buzzards Bay. 

 Parasitic on gills of Carcharias littoralis, "many 



hundreds may often be secured from a single 



shark." 



Family AXTHEACHERID^. 



Philichthys xipkia? Steenstrup. 



Linton, 1901, p. 448; M. J. Rathbun, 1905, p. 98. 



"Woods Hole region," on Xiphias gladius. 

 C. B. Wilson (MS.)- Six specimens found "in 

 the frontal sinuses of a swordfish head."- 

 Linton. 



Sph&rifer lintoni Wilson. 



Linton, 1900, p. 285; M. J. Rathbun, 1905, p. 98. 

 Woods Hole; found by E. E. Tyzzer " under the 

 skin on the preopercular bone of a squeteague 

 (Cynoscion regalis)." Linton. 



Family LERN^ID^E. 



Pennella costai Richiardi. 



M. J. Rathbun, 1905, p. 99. 



On Xiphias gladius, the head buried in a cyst 

 formed within internal organs of host; often 

 30 or 40 upon a single fish, appearing to impair 

 its vitality. Wilson (MS.). 



Breeds in July. 



Pennella filosa (Linnaeus). 



M. J. Rathbun, 1905, p. 99 (no local records). 



Hosts: Mola mola, Xiphias gladius; the body of 

 the parasite being external, the head buried 

 within the tissues of the host; not so common 

 as P. costai. (Not definitely recorded for local 

 waters.) 



l^ern&enicus radiatus (Lesueur). 

 Verrill and Smith, 1873, p. 578, 458 (Lerneonema 

 radiata); R. Rathbun, 18843, p. 491 (Lerncco- 

 nema radiata); M. J. Rathbun, 1905, p. 99. 



