PARASITES OF FISHES OF THE WOODS HOLE REGION. 435 



Acipenser sturio, Sturgeon. 



NEMATODES. 



1. Bafmitli sphieroefphala Dujardiii. [I'l. .\vi, figs. 200-202.] Aug. 5, 1884; 1, a female with embryos 



from intestine. Dimensions in millimeters: Length, 24; diameter of head, 0.38; length of 

 oesophagus, 2.1; greatest diameter, 5 mm. from head, 0.(i4; diameter 4 mm. from posterior 

 end, 0.5; diameter at anal aperture, 0.24; distance of anal aperture from posterior end, 0..5. 



CESTODES. 



2. Cysts on spleen, coat of stomach, and intestine. 



TREM.\TODES. 



3. Xilzsrhia elongiitd Nitzsi'h. [ JS'iVz.sr/i ('/ rli-gnna Baer.] tiills. ti. ]i. 508. 



Acipenser brevirostris, Shorl-nosed Sturgeon. 



.\C.\XTHorEPHALA. 



1. Frhiiiorh)/iirliii.i iill,'iiii<ilii.i Linton, it, \>. 529, pi. lv, figs. 23-30. 



Acipenser rubicundus, L<ilcf Sturgeon. 

 The following notes on entozoa from the lake sturgeon are given in this ccnnei-tiou. 



ACANTHOCEPIIALA. 



1. Ecli'itiorhijnchu.^ gluliulosns Rudolphi. 



Two specimens in the U. S. i^ati<inal iluseum collection, collected by J. \V. >Iihier, appear to 

 belong to this species. 



TKEM.VTODES. 



2. Dhtomiim (turiculatum Wedl. 6, pp. 521-522, pi. LXV, figs. 8-10, pi. i..\vi, figs. 1-5. 



Pratt proposes the name Bunodern lintoni for this species. 



Auguilla chrysypa { .liiguilhi rulgnri.t}, Kii. 



FOOD. 



Shrimp, crabs, annelids, niollusks, small lisli. 



ACANTIKKEPHAI.A. 



1. Echhiorhgiirllux glohuloxu.-!: Rudolphi. 



Three specimens in the U. S. National Museum collection appear to belong to this .species. ISIale, 

 5.5 mm.; female, G mm. Aug. 7 and 28, 1899; nuinenms. 5Iale, 7 mm.; female, 10 mm. This species 

 resembles E. arux, liut differs from that s[>ecie.s in tlie greater relative length of the lemnisci, the erect 

 and usually distinctly tapering prolHw-is, and the tubular instead of globular prostate gland. 



2. Echinorhynchns agilis Rudolphi. 



Tn'O specimens from the U. S. National Museum c-ollection. I. jip. 490-492, ]il. v, tigs. l-'i. 



.NEMATODES. 



3. Tmmatnre nemntodes (.4scar« sp.). [PI. m, figs. 125, 12ti.] 7, p. 27fi. .\ug. 5, 1899: 2 inuiiature, 



cncapsuled on viscera. 

 Two specimens in the U. S. National iluscum collection; also immature and cncapsuled. 

 Length, 22 mm.; diameter, 1 nun. Somewhat attenuate anteriorly, tail pointed and mucronate 

 at tip { Agamonema capmdaria). 



CESTODES. 



4. Ta-nifi dihlnta l,inton. 1, pp. 4SS-489, pi. v, figs. 14-16. 5, p. 425. 



Specimens of this genus also taken in 1899; three on August 2. Dimensions in millimeters: Length, 

 8; diameter of head, 0.28; diameter of sucker, 0.08. Segments not mature. One specimen August 28; 

 length, 14 mm. [PI. .vxv, figs. 272, 273.] 



