126 PROCEEDINGS OF THE ACADEMY OF [1897. 



trals long, the spine long, If in head, the rays slightly filamentous, 

 not quite reaching anal, equal to head. Caudal rounded, equal to 

 head behind premaxillary. Lateral line ceasing before reaching 

 end of dorsal, the scales below regularly arranged, those above ir- 

 regularly. 



Color : Ground color olive, terminal half of scales on sides yel- 

 low, side of head yellowish-olive, top of head dusky ; a blue ring in 

 front of dorsal surrounding a black spot containing a few pale blue 

 specks; iris yellow, blue above and below; upper jaw blue-black, 

 some yellow at corner of mouth ; lower jaw, lower side of head and 

 breast dusky olive ; a dark blue margin to opercle much broader 

 above than below ; upper edge of preopercular spine pale blue ; edge 

 of dorsal fins blue-black, a black blotch on last rays, the fins other- 

 wise reddish or orange, becoming paler toward tip of filament; anal 

 similar to dorsal, but darker ; caudal entirely pale orange or clear 

 lemon-yellow ; pectorals lemon-yellow, the base with a brown blotch 

 bordered anteriorly by a narrow blue stripe ; ventrals lemon-yellow, 

 somewhat dusky at base. 



TEUTHIDID^3. 



160. Teuthis bahianus (Castelnau). 



AcantJutrus bahianits Castelnau, Anim. Nouv. Pares. Amer. S., 24, pi. 11, 

 fig. 1, 1855. 



Acanthurus tractus Poey, Memorias. II, 1860, 208 (Cuba). 



Teuthis tractus, Meek & Hoffman, Proa Acad. Nat. Sci. Phila., 1884, 229. 



161. Teuthis hepatus Linnams. 



Teuthis hepatus Linnaeus, Syst. Nat, Ed. 12, 507, 1766; Meek & Hoffman, 

 Proc. Acad. Nat. Sci. Phila., 1884, 229. 



Nearly uniform brownish, the fins darker on edges, no dark cross 

 lines on sides. 



BALISTIDJE. 



163. Balistes vetula Linnams. Bossy Cerka. 



Batistes vehda Linn?eus, Syst. Nat., Ed. X ; Giinther, Cat., VIII, 215. 



Dorsal 111-30 ; anal 27. A blue line about the mouth, sending 

 a branch from above the corner of the mouth toward the throat ; 

 other colors are described by Giinther. 



164. Melichthys piceus Poey. 



Balistes piceus Poey, Proc. Acad. Nat. Sci. Phila., 1863, 180. 

 One dried specimen. 



