754 
BULLETIN OF THE BUREAU OF FISHERIES. 
Family Rachycentrid/e. 
Rachycentron canadus (Linnaeus). Crab-eater, 
cobia. 
Baird, 1873 ( Elecate 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 
feet long, and weighing over 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 Coryph^nid^. 
Coryphoena 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 — Disiomum tornatum. 
Family Bramid^. 
Brama raii (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 Centrolophidaj. 
Centroloplms 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 pcrciformis (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.—Ve. rrill and Smith. Squid, small crus- 
taceans, univalve mollusks, also Salpa and 
green algae, in two fishes taken at Menemsha, 
September 1. — Linton. 
Parasites (Linton): Acanthocephala — Echino - 
rhynchus prisiis. Nematodes — Ascaris habena, 
Lecanocephalus annulatus. Cestodes — Diboth- 
rium punctatum, Scolex polymorphus. Trema- 
todes — Disiomum 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 ( Pliysalia ). Recorded for July and 
August, 1889, and July, 1894 (common on 
latter occasion); not observed otherwise. — 
Smith. 
Peprilus paru (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 {Strornateus triacanthus)-, 
Goode, 1884a, p. 333 {Strornateus triacanthus)-, 
Jordan and Evermann, 1896, p. 967 ( Rhombus 
triacanthus)-, H. M. Smith, 1898, p. 99 {Rhom- 
bus triacanthus)-, Bumpus, 1898a, 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 11 at Cuttyhunk. — Bumpus. Caught for 
