464 BULLETIN OF THE UNITED STATES FISH COMMISSION. 



1. T>ilii}thri>im aln(rra: Intestine. 1» PP- 458—159, pi. i, figs. h-S. 



2. UlnjmholKtlhriiDii butlnlrr Linton. Cyst.s on vi.«('era. 4, p. 793. 



3. Khynchoholhrium. Cysts in coats of stomach and intestines. 4, p. 798. 



TREM.\TODES. 



4. DiMiDiiinn ii(ilhin< Riidolplii. Intestine. 0; pp. 52K-.")27, pi. .xi.vii, figs. 8, 9. 



5. Dintoinum vatdeinflntum Stossich. Capsules on ]jeritoncuni. 6, |)|). 527-528, |>1. xlvii, (igs. 10-14, 



and pi. .\i,viii, figs. 1, 2. 



Lagocephalus Isevigatus, Smooth Puffer. 

 One specimen from Narragansett Bay, .Inly 22, 1887. 



NEMATODES. 



1. hnmntnrr. nemnlo(h (Anairin) . [PI. .\i, figs. 121, 122.] From intestine. Dimen.-iions in inillinjeters: 



Length, 22; diameter of head 0.1, 1 mm. back of head 0.28, maximum a short di.stance back of 

 middle 0.48, 1 mm. from posterior end 0.32, at anal aperture 0.12; distance of anus from 



posteriur tip, O.l.S; ii'sii]iliagiis short. 



( losroDKs. 



2. .S('W<u.;«>////H<(r/</ii(,? Dujardin. Abundant, in intestine. 



TREMATODK.S. 



3. Disiomnm sp. Intestine. 6, pp. .537-538, pi. i.iii, figs. 1, 2. This specimen Ijears a close resem- 



blance to DUtomum sp. from the scup. See No. 11 mv\i;T Slenotomus chrysoj)S. 



Spheroides maculatus, Puffer. 



FOOD. 



This species \va.s exaiiiiiied on three occasions in 1S99. August 5; 9 small; alimentary canal 

 contained small crabs, anii)hiiii)(ls and both laniellibranch and univalve mollusks. August 28; 3 

 small; hermit crabs and crepidulii' in alimentary canal. .Vugust .30; 12 small; crustaceans, small 

 lanicllibraiuh sliells, annehds. .-ieaweeds, and sand in alimentary canal, .\ugnst 2s, 1900; .'! small 

 specimens from Kataiiia r>ay; shrimps and nthcr small crustaceans in alimentary tract. 



ACA.STUOClil'llAl.A. 



1. /i'c/iiHor/iy)(c/(".< «CH« Rudolphi. I'haryiix. T, ]>. 2.'^1. 



t'ESTODRS. 



2. Teirarhi/mliux s^yi. Cyst, i>harynx. 7, p. 281. 



.3. J/irv(il cii'liiilei' (Si-olfj: fxitiiiiioriihut: Dujardin). Free in intestine. See 4, p]). 789-792, jil. i.\i, figs. 

 4-15. Aug. 5, 1899; 28. 



THKMAIODhX. 



4. IHsliiiiiuiii ri7«'.r Linton. Intestine ami pharynx. 7, pp. 2S1, 291-292, pi. xxxviii, figs. 48-51. Some 



small distomes found by Dr. F. P. (iorham in young ])uffer!<seem to be the young of thissjiecies. 



5. Dislomum vilillomim Linton. Intestine. .\ug. 28. 1S99. See 7, p. 2tt0. 



6. DintomuDi sp. In cyst, on vi.scera. This ili.'stome was about 0.7 nun. in length and spinose. 



Probably J>. valdtiiijhtluiu. August 5, 1899. 



