58 BULLETIN" 95, UNITED STATES NATIONAL MUSEUM, 



entire margin of preopercle with fine, rather widely separated, den- 

 ticulations, these covered by membranes or the tips rarely projecting; 

 vertical border of preopercle eoncave, the angle evenly rounded, gill- 

 rakers long and slender, longest 1.75 in eye, 6-|-17; scales small, 

 cycloid, regular in arrangement; lateral line nearly straight; cheek 

 and opercle with thin scales, rest of head naked. Dorsal spines weak, 

 short, fitting into a groove, anterior rays of soft dorsal and anal 

 longest, longest rays about 3 in head; caudal deeply forked; anal 

 spines very weak; ventrals short, their tips reaching midway from 

 base of ventrals to posterior border of vent ; pectoral long, falcate, tip 

 reaching to above origin of anal. 



Color in alcohol: Brownish, dusky on back and light on belly; top 

 of head black ; fins duslry, axil of pectoral dark. Smaller individuals 

 are silvery in coloration. 



Doctor Coker states these are small individuals of a large species 

 of fair rank. 



This species resembles very closely A^. hra?na from New Zealand. 



Genus SERIOLA Cuvier. 



83. SERIOLA PERUANA Steindachner. 



Seriola peruana Steindachner, Ichth. Beitr.. vol. 11, ISSl, p. 13, fig. 1, 

 la; Callao. — Abbott, Marine Fishes of Peru, Proc. Acad. Nat. Sci. 

 Pliila., 1899, p. 347. 



Genus DECAPTERUS Bleeker. 



84. DECAPTERUS SCOMBRINUS (Valenciennes). 

 JUREL FINO. 



Caranx scomhrinus Valenciennes, Toy. de la Venus, ISJO, p. 332, pi. 7, 



fig. 1 ; Galapagos Islands. 

 Decapterus scombrinus Jordan and Evermann, Fishes North and Mid. 



Amer., vol. 1, 1896, p. 908. 

 Decapturus scomhrinus Snodgrass and Heller, Shore Fishes Galapagos 



Islands, Proc. Washington Acad. Sci., vol. 6, 190.5, p. 3G2. 



One specimen, field No. 09676, 28.5 cm. in length, from Lobos de 

 Afuero. 



Head 3.54 in length; depth 4.75; eye 4.1; snout 3.45; maxillary 

 3.04 ; interorbital 5.51 ; pectoral 1.52 ; D. VIII-I, 33-1 ; A. II-I, 28-1 ; 

 scutes 33. 



Body fusiform, caudal peduncle narrow, depressed, its height 1.5 

 in eye ; snout pointed ; eye moderate, nearly as long as snout ; mouth 

 oblique; maxillary not reaching vertical from anterior border of 

 eye; teeth in upper jaw very small, few in number in front of jaw; 

 a single row of larger teeth in lower jaw ; no teeth on vomer and pala- 

 tines; a median, longitudinal row on the tongue. 



