PARASITES OF FISHES OF THE WOODS HOLE REGION. 487 



I'KOTOZCIA. 



11. SpomziMi. [PI. I, lig. 4.] 



Two small ppeciiuens from Katamii Bay were f.xamiiieil August 2S, 1901). The walls of the intestine 

 of one throughout almost the entire length and of the other for a short ilistance were completely 

 covered witli sporocysts. The cysts weri' irregular where crowded ti igetlier; wdiere not crowded together, 

 which was in but few places, they wei'e eliii>tical or spherical, of various sizes, liut comparatively few 

 reaching 1 nun. in diameter and none much exceeding that. Spores ohlong-ovate about 0.003 mm. in 

 lenglli liy O.OOl-'i nun. in dianietcr. Intestine where affected was chalky-white in mlor. 



Glyptocephalus cynoglossus, ( '/■«/;/ Floiindir. 



NE.M.VTOOES. 



1. . I .sr«)'i.s' sp. Immature. [PI. IX, tigs. 9.^, !)(i.] 



One specimen, which agrees clo.sely with Xo. 1 under Ih miliijiteriiKiiinrriraiiiinui the I'. S. National 

 Museum collection; locality not given. The habit of the body is stouter tlian thai of the specimens 

 from the sea raven, and the upper lip is relatively larger and more oval. It is somcu hat attenuate in 

 front, increasing posteriorly; short pointed back of anal aperture, witli mucronale tip. Tlie latter, 

 when higlily magnified, is seen to be rough tuberculate and- the anal aperture iias |irominent roundeil 

 lips. Measurements in millimeters: Length, 40; diameter of head 0.33, 3 mm. back of head 0.5.S, 

 maxinuim 1..5, 3 mm. in front of anal aperture 1, at anal aperture 0.4S; distance of anal aperture from 

 posterior tip, 0.4S. 



Acliirus fasciatus, Ilofi-chol-rr. 



Eight specimens examined August 2 and eleven on .\ugust 11, this summer (1000), had onlv 

 vegetable debris ( Funis and eelgrass) in the alimentary canals. 



TUEMATonES. 



1. Pisioiiiinii iiiiiHixHriilahnii Kudnlphi. Intestine. One specimen Aug. 10, 101)0. See 7, p. 289. 



This distome was found in two other species of fish (alewife and sea robin) taken in .seine at the 

 same time as the host of this worm. These tish were taken at the head of P.iizzards Bay, at W'areham. 



2. Two small distomes, young. [PI. xxxi, lig. 3."il.] 



One of these <listomes, when flattened under the compressor, was elliptical in outline. Dimensions 

 of living specimen in millimeters: Length, 0.26; breadth, 0.20; oral sucker, length 0.07, breadth 0.06; 

 acetal>ulum, diameter 0.0-v 



Lophius piscatorius, (ioosr-tisli. 



Aug. 30, 1SS7. — A spei-iiiien taken south of ('uttybnuk had in its slomai-li a large cjuantity of 

 mud which was rich in mollusca, annelids, and small crustaceans. 



Aug. .5, 1899. — A small specimen had in stomach a winter tloumlfr almost as large as the 

 goose-tisli. 



Aug. IS, IS99. — .Uimentary canal with fragments of lish. 



ACANTllOCEPHALA. 



1. JCrliiiKirlii/iichiit: iictix Kudol])hi. Intestine. !I, ]i. .52.5, etc. 7, p. 2S4. Aug., 1899; 3. 



2. li^i'hiiiiirliynclnix hicrai'sfitiix MiiWi]. I'eritoneuui. 3, pp. •"i33-ri;;4, pi. i.viii, figs. 54-69«. 



XEMATODES. 



3. A.icaris increscmnMiiWii. [PI. viii, (ig. 64.] 



U. S. National Museum (■ollection; Vinal N. Edwards, collector; five specimens; females. Body 

 slender, attenuate anteriorly, of nearly miiform size for the posterior two-thirds of the length. The 



