T 54 



BULLETIN OF THE BUREAU OF FISHERIES. 



Family RACHYCENTRID^. 



Rachycentron canadus (Linnaeus). Crab-eater, 



cobia. 



Baird, 1873 (Ekcate canadus}; Jordan and 

 Evermann, 1896, p. 948; H. M. Smith, 1898, 

 p. 98, 1899; Linton, 1899; Kendall, 1908, p. 



85- 



Buzzards Bay, Menemsha Bight; rare, less com- 



mon than formerly. Edwards. A specimen 

 4^ feet long, and weighingover 60 pounds, was 

 taken in the United States Fish Commission 

 trap in Buzzards Bay, July 18, 1899. Smith. 

 Records for July and September. Taken in 

 traps. 



Food: Fish (squeateague, etc.). Linton. 



Parasites: Ascaris inquies. Linton. 



Family 



Coryphfena hippurus Linnaeus. Dolphin. 

 Jordan and Evermann, 1896, p. 952; H. M. 



Smith, 1898, p. 99; Kendall, 1908, p. 85. 

 Vineyard Sound, Menemsha Bight; adults very 



rare, a few young taken nearly every year in 



floating gulfweed. Smith. Recorded for July 



and August. 

 Parasites (Linton): Nematodes Ascaris incres- 



cens. Cestodes Tetrarhynchus bicolor (cysts). 



Trematodes Distomum tornatum. 



Family BRAMID^. 



Brama rail (Bloch). Pomfret. 



Jordan and Evermann, 1896, p. 959. 



No Mans Land, one specimen taken in trap at 

 Bureau of Fisheries camp, August 9, 1904, 

 this being the only record for the region. 

 (Identified by H. M. Smith). 



Family CENTROLOPHID^. 



Centrolophus niger (Gmelin). 



Goode and Bean, 1895, p. 214 (Centrolophus pom- 



pilus), Jordan and Evermann, 1896, p. 963: 



H. M. Smith, 1898, p. 99; Kendall, 1908, p. 86. 

 Off Dennis, Mass., one specimen 9 inches long 



taken November 23, 1888. Goode and Bean. 



A southern European fish. 



Palinurichthys perciformis (Mitchill). Rudder-fish, 



polefish. 



Storer, 1867, p. 75 (Palinurus perciformis); 

 Baird, 1873; Verrill and Smith, 1873, p. 515; 

 Bean, 1884 (Lirus perciformis); Jordan and 

 Evermann, 1896, p. 964; H. M. Smith, 1898, p. 

 99; Linton, 1899; Sharp and Fowler, 1904, p. 

 509; Kendall, 1908, p. 86. 



Palinurichthys perciformis Continued. 



Common and generally distributed in local wa- 

 ters, being found in gulfweed and other floating 

 objects or under anything adrift. Nan- 

 tucket. Sharp and Fowler. Present from the 

 last of June till October. Smith. 



Food: One specimen taken in August contained 

 young Squilla empusa and young Loligo 

 pealii. Verrill and Smith. Squid, small crus- 

 taceans, univalve mollusks, also Salpa and 

 green alga?, in two fishes taken at Menemsha, 

 September i. Linton. 



Parasites (Linton): Acanthocephala Echino- 

 rhynchus pristis. Nematodes Ascaris habena. 

 Lecanocephalus annulatus. Cestodes Diboth- 

 rium punctatum, Scolex polymorphus. Trema- 

 todes Distomum pyriforme, D. sp. 



Family STROMATEID.E. 



Nomeus gronovii (Gmelin). Portuguese-man-of- 

 war-fish. 



Jordan and Evermann , 1896, p. 949; H. M. 

 Smith, 1898, p. 99; Kendall, 1908, p. 87 (Gobio- 

 morus gronovii). 



Vineyard Sound; taken with the Portuguese man 

 of-war (Physalia). Recorded for July and 

 August, 1889, and July, 1894 (common on 

 latter occasion); not observed otherwise. 

 Smith. 



Peprilus pant (Linnaeus). Harvest-fish, long- 

 finned butter-fish. 



Jordan and Evermann, 1896, p. 965 (Rhombus 

 paru); H. M. Smith, 1898, p. 99 (Rhombus 

 paru); Kendall, 1908, p. 87. 



Buzzards Bay, Menemsha Bight, usually rare, 

 occasionally common, 300 or 400 being re- 

 corded for one season. Smith. A half dozen 

 taken in 1901; fairly common in 1908. Pres- 

 ent during June and July. Taken in traps. 



Poronotus triacanthus (Peck). Butter-fish. 



Baird, 1873; Bean, 1884 (Stromaleus triacanthus); 

 Goode, i884a, p. 333 (Stromateus triacanthus); 

 Jordan and Evermann, 1896, p. 967 (Rhombus 

 triacanthus); H. M. Smith, 1898, p. 99 (Rhom- 

 bus triacanthus); Bumpus, 18983, p. 59 (Rhom- 

 bus triacanthus); Linton, 1901, p. 453 (Rhom- 

 bus triacanthus); Sharp and Fowler, 1904, p. 

 509 (Rhombus triacanthus); Kendall, 1908, 

 p. 87. 



Abundant along shores generally, occurring from 

 early summer till late fall. There is an espe- 

 cial run in June lasting one or two weeks. 

 Smith. The advance guard (in 1898) arrived 

 May ii at Cuttyhunk. Bumpus. Caught for 



