170 TELEOSTEI. ACANTHOPTERYGHI. 



below the first third of the eye. Fins dorsal spines weak, in- 

 creasing in length to the third, which is nearly as high as anterior 

 portion of soft dorsal, and i height of body. Pectoral falciform 

 and ^ to T 4 - of total length. Ventral short and equal to 1 height 

 of body. Anal similar to second dorsal. Caudal forked. Scales 

 small, present behind the eyes and over the body, also forming 

 a sheath for bases of dorsal and anal fins. Lateral line forms 

 rather a deep curve in the first third of its course. Colour 

 greenish along the back, becoming silvery on the sides and beneath. 

 A dark blotch over the free portion of the tail. Ventrals white. 



Hob. This fish frequents the west coast of Africa and the 

 Atlantic coasts of America ; it has also been captured at Pondi- 

 cherry. 



3. Genus SERIOLA, Cuv. 



Branchiostegals seven ; pseudobranchiae. Body oblong and mo- 

 derately compressed; abdomen rounded. Cleft of mouth some- 

 times deep. Preopercle entire. Villiform teeth in the jaws, vorner, 

 and palatine bones. First dorsal fin continuous, its spines not 

 strong, the second dorsal and anal with many more rays ; as a rule 

 a pair of preanal spines, remote from the rest of the fin. Scales 

 small or rudimentary. Lateral line unarmed. Air-bladder simple. 

 Pyloric appendages many. 



Geographical Distribution. Nearly all temperate and tropical seas. 



935. (1.) Seriola nigrofasciata. (Fig. 57.) 



Nomeus nigrofasciatus, Riippell, Atl. Fische, p. 92, t. xxiv, fig. 2. 

 beriola nigrofasciata, Day, Fish. India, p. 227, pi. li, fig. 6 (see synon.). 



D. 5-6 | 1/29-33. P. 19. A. 1/15-17. C. 19. 

 Length of head from 3| in the young to 4| in the adult, height 



Fig. 57. Seriola nigrofasciata. 



of wj 3 l^ t0 4 *? the kjd len gft. %e*-diameter 4 in length 



thn hi am ; m 6nd f snout - D rsal P ro nle more convex 



m abdominal; snout rather obtuse; abdomen broad Lower 



