464 
BULLETIN OF THE UNITED STATES FISH COMMISSION. 
CESTODES. 
1. Dibothrium aluterse. Intestine. 1 , pp. 458-459, pi. r, figs. 5-8. 
2. Rhynchobothriuvi bulbifer Linton. Cysts on viscera. 4 , p. 793. 
3. Rhynchobothrium. Cysts in coats of stomach and intestines. 4 , p. 798. 
TREMATODES. 
4. Distomum pattens Budolphi. Intestine. 6 , pp. 526-527, pi. xlvii, figs. 8, 9. 
5. Distomum valdeinflaium Stossich. Capsules on peritoneum. 6 , pp. 527-528, pi. xlvii, figs. 10-14, 
and pi. xlviii, figs. 1, 2. 
Lagocephalus laevigatus, Smooth Puffer. 
One specimen from Narragansett Bay, July 22, 1887. 
NEMATODES. 
1. Immature nematode, (Ascaris) . [PI. xi, figs. 121, 122.] From intestine. Dimensions in millimeters: 
Length, 22; diameter of head 0.1, 1 mm. back of head 0.28, maximum a short distance back of 
middle 0.48, 1 mm. from posterior end 0.32, at anal aperture 0.12; distance of anus from 
posterior tip, 0.13; oesophagus short. 
CESTODES. 
2. Scolex poly m or phus Dujardin. Abundant, in intestine. 
TREMATODES. 
3. Distomum sp. Intestine. <i, pp. 537-538, pi. liii, figs. 1, 2. This specimen bears a close resem- 
blance to Distomum sp. from the scup. See No. 11 under Stenotomus chrysops. 
Spheroides maculatus, Puffer. 
FOOD. 
This species was examined on three occasions in 1899. August 5; 9 small; alimentary canal 
contained small crabs, amphipods and both lamellibranch and univalve mollusks. August 28; 3 
small; hermit crabs and crepiduke in alimentary canal. August 30; 12 small; crustaceans, small 
lamellibranch shells, annelids, seaweeds, and sand in alimentary canal. August 28, 1900; 3 small 
specimens from Katama Bay; shrimps and other small crustaceans in alimentary tract. 
ACANTHOCEPHALA. 
1. Eckinorhynchus acus Kudolphi. Pharynx. 7 , p. 281. 
CESTODES. 
2. Tetrarhynchus sp. Cyst, pharynx. 7 , p. 281. 
3. Larval cestodes (Scolex polymorphic Dujardin). Free in intestine. See 4 , pp. 789-792, pi. lxi, figs. 
4-15. Aug. 5, 1899; 28. 
TREMATODES. 
4. Distomum vibex Linton. Intestine and pharynx. 7 , pp. 281, 291-292, pi. xxxviii, figs. 48-51. Some 
small distomes found by Dr. F. P. Gorham in young puffers seem to be the young of this species. 
5. Distomum vitellosum Linton. Intestine. Aug. 28, 1899. See 7 , p. 290. 
6. Distomum sp. In cyst, on viscera. This distome was about 0.7 mm. in length and spinose. 
Probably D. valdeinflatum. August 5, 1899. 
