750 



BULLETIN OF THE BUREAU OF FISHERIES. 



Sarda sarda Continued. 



p. 96; Linton, 1901, p. 445; Sherwood and 

 Edwards, 1901; Kendall, 1908, p. 74. 



Vineyard Sound, from Gay Head to Woods Hole, 

 also Buzzards Bay; scarce to abundant, usu- 

 ally common. Taken in local traps from June 

 to first of October. A fine food fish. 



Spawns throughout June. Edwards. 



Food: An abundant of Crago sep terns pinosus. 

 Verrill and Smith. Fish and squid. Linton. 



Parasites: Nematodes (Linton) Ascaris sp. (im- 

 mature), Ichthyonemasp. Cestodes (Linton) 

 Otobothrium crenacolle (cysts), Rhynchoboth- 

 rium bulbifer (cysts), R. imparispine (cysts), 

 Scolex polymorphus (larvae), Tetrarhynchus 

 bicolor, T. sp. Trematodes (Linton) Disto- 

 mum pyriforme, D. vitellosum, Gasterostomum 

 arcuatum; Hexacotyle thynni, Nematobothrium 

 sp. Copepods (C. B. Wilson): Caligus bonito, 

 C. exilis, C. mutabilis. 



Scomberomorus maculatus (Mitchill). Spanish 

 mackerel. 



Baird, 1873 (Cybium maculatum) ; Jordan and 

 Evermann, 1896, p. 874; H. M. Smith, 1898, 

 p. 96; Sherwood and Edwards, 1901; Linton, 

 1901, p. 446; Sharp and Fowler, 1904, p. 508; 

 Kendall, 1908, p. 74. 



Buzzards Bay at local fish trap, also Vineyard 

 Sound; formerly abundant, now rare and 

 growing scarcer. Smith. One reported in 

 1898; three in 1900; only one in 1902. Ed- 

 wards. Nantucket. Sharp and Fowler. Has 

 been taken from August to October. 



Parasites (Linton): Nematodes Ascaris clavata, 

 A. habena, A. incurva, Ichthyonema globiceps, 

 immature nematodes. Cestodes Rhyncho- 

 bothrium bulbifer (cysts), R. longispine (cysts), 

 R. speciosum (cysts), Synbothrium filicolle 

 (cysts). Trematodes Distomum sp., Gaste- 

 rostomum sp. 



Scomberomorus regalis (Bloch). Kingfish, cero. 



Baird, 1873 (Cybium regale); Jordan and Ever- 

 mann, 1896, p. 875; H. M. Smith, 1893, p. 96; 

 Linton, 1901, p. 447; Kendall, 1908, p. 75. 



Buzzards Bay; about as common as 5. cavalla. 

 Smith. Few taken lately. Edwards. 



Food: Small fish. Linton. 



Parasites: Synbothrium filicolle (cysts), Tetrar- 

 hynchus sp. (cysts). Linton. 



Scomberomorus cavalla (Cuvier). Kingfish, cero. 

 Jordan and Evermann, 1896, p. 875; H. M. 

 Smith, 1898, p. 96; Linton, 1901, p. 447; Ken- 

 dall, 1898, p. 75. 



Scomberomorus cavalla Continued. 



Menemsha Bight, Quisset Harbor; formerly 

 much more common than the Spanish mack- 

 erel. Smith. Three recorded in 1901, one in 

 1902, none in 1903. Edwards. Present from 

 July i to end of trap fishing. 



Food: Fish and squid. Linton. 

 Parasites: Synbolhrium filicolle (cysts). Linton. 



Family TRICHIURID^E. 



Trichiurus leptums Linnaeus. Cutlass-fish, scab- 

 bard-fish. 



Storer, 1867, p. 70; Goodey 18843, p. 335; 

 Jordan and Evermann, 1896, p. 889; H. M. 

 Smith, 1898, p. 96; Sherwood and Edwards, 

 1901; Sharp and Fowler, 1904, p. 508; Ken- 

 dall, 1908, p. 76. 



Woods Hole, for "past 10 years." Goode, 1884. 

 Woods Hole, Buzzards Bay, Menemsha Bight, 

 Cutty hunk, Vineyard Haven, Cedar Tree 

 Neck. Edwards. Nantucket. Sharp and 

 Fowler. Rather rare; one or two each year; 

 four taken in 1903 (near breakwater). Present 

 from June till October. Edwards. Taken in 

 traps. 



Parasites: Acanthocephala (Linton) Echino^ 

 rynchus acus. Cestodes (Linton) Otoboth- 

 rium crenacolle (cysts), Rhynchobothrium speci- 

 osum (cysts), Scolex polymorphus. Trema- 

 todes (Linton) Distomum sp. Copepods 

 (C. B. Wilson) Caligus chelifer, C. rapax. 



These fishes are occasionally sent to the Woods 

 Hole station as curiosities. 



Family ISTIOPHORID^. 



Istiophorus nigricans (Lacepede). Sailfish. 



Baird, 1873 (Histiophorus gladius); Goode, 1883, 

 p. 304 (Histiophorus americanus); Jordan and 

 Evermann, 1896, p. 891; H. M. Smith, 1898, 

 p. 97; Linton, 1901, p. 448; Kendall, 1908, 

 p. 76. 



Quisset Harbor; rare, a half dozen having been 

 taken in 25 years. Smith. Taken in early 

 fall. 



Parasites: Dibothrium manubriforme. Linton. 



Tetrapterus imperator (Bloch & Schneider). Spear- 

 fish. 



Baird, 1873 (Tetrapterus albidus); Goode, 1883, 

 p. 303 (Tetrapterus albidus); Jordan and Ever- 

 mann, 1896, p. 892; H. M. Smith, 1898, p. 97; 

 Kendall, 1908, p. 76. 



