Jordan and Evermann. — Fishes of North America. 1691 



Ohcetodon triostegus, Linn^us, Syst. Nat., Ed. x, 274, 1758, India. 

 Harpurus fasciatvs, Foksteb, Descr. Anim., Ed.Licht., 216. 

 Ohcetodon zebra, Lacepede, Hist. Nat. Poiss., in, 25, fig. 3, 1800, no localitj'. 

 Acantlmrus zebra, Lacijpede, Hist. Nat. Poiss., iv, 546, pi. 6, fig. 3, 1802, no locality. 

 Ohcetodon couaga, Lacepede, Hist. Nat. Poiss., iv, 727, 1802, no locality. 

 Acanthurus hiriindo, Bennett, Ceylou Fishes, 11, pi. 11, 1830, Ceylon. 

 Teuthis australis, Geay, in King's Narr. Survey Coast of Australia, ii, 435, 1826. 

 Acanthurus subarmatus, Bennett, "Whaling Voyage, ll, 278, 1840, Society Islands. 

 Acanthurus triostegus, Cuvikr & Valenciennes, Hist. Nat. Poiss., x, 197, 1835; Gunther, 

 Cat., 111,327,1861. 



2105. TEUTHIS C.ERULEIJS (Bloch & Schneider). 



(Barbeko; Blue Surgeon; Blue Tang.) 



Head 3^; depth Ik D. IX, 27; A. Ill, 24. Body rhoml>oi(l, the anterior 

 profile snbvertical, nearly straight, making an angle of about 60'' with 

 axis of body. Caudal deeply emarginate, its lobes subeiiual, the middle 

 rays f length of outer. Color deep blue, or rather brown, washed with 

 deep blue; body with undulating longitudinal pale-blue streaks, no 

 dark cross bars; vertical fins blue with oblique bronze streaks; lips and 

 caudal spine yellow; edge of caudal black; pectorals yellow; young with 

 the blue shades obsolete. West Indies ; generally common from Key West 

 and Bermuda to Bahia. (cwruleus, blue.) 



Turdus rhomboidalis, Catesby, Nat. Hist. Carolina, etc., 1742, based in part on Bloch. 

 Acanthurus cceruleus, Bloch & Schneider, Syst. Ichth., 214, 1801, after Catesby, Pabha 



and Browne, Carolina, Havana, Jamaica; CUA'IEE & Valenciennes, Hist. Nat. 



Pois8.,x, 179, 1835; Gunther, Cat., Ill, 336, 1861. 

 Acanthurus brevis, POEY, Meniorias, n, 207, 1800, Antilles and Havana. 

 Acanthurus hroussonetii, Desmarest, Prem. Dec. Ichth., 26, 1823, Cuba. 

 Acronurus coeruleatxcs, Poey, Enumeratio, 69, 1875, Cuba ; young. 

 Teuthis cceruleus. Meek & Hoffman, L c, 228, 1884. 



2106. TEUTHIS HEPATUS, Linnaeus. 



(COSIMON SURGEON; DOCTOH-FISH ; LANCET-FISH ; BARBER; TaNG ; SAIGNEUR; BaRBEHO.) 



Head 34 ; depth 2. D. IX, 26; A. Ill, 24. Form ovate; anterior profile 

 moderately convex, forming an angle of 45° with axis of body. Caudal 

 simply lunate, its inner rays about f length of outer rays; caudal lobes 

 subequal, the upper never filamentous. Color dark olive brown, more or 

 less distinctly greenish ; middle of sides paler; sides with about 12 dis- 

 tinct blackish vertical bars, rather narrower than the interspaces, most 

 distinct over front of anal; a brownish stripe along base of dorsal; spi- 

 nous dorsal with alternate stripes running upward and backward, of dark 

 blue and bronze olive, the two colors of about equal width ; soft dorsal 

 with a bluish streak on the anterior side of eacb ray, and a bronze stripe 

 behind it; fins very dark, often almost black. West Indies; common from 

 Florida to Bahia. This is the most abundant species of the genus, being 

 apparently common throughout the West Indies, and certainly so at Key 

 West and Cuba; ranging northward perhaps as far as Charleston, doubt- 

 less not to New York, where it is reported on the authority of the confused 

 collection of Milbert. {hepatus, an old name of some fish, from hepas, 

 liver.) 



