THE FISHES OF NEW JERSEY. 



273 



dages very numerous. Vertebrae about 30. Skull with a crest 

 which is more elevated in adult than in young. No teeth on 

 oesophagus. Body covered with small cycloid scales. Lateral line 

 present. A single many-rayed dorsal fin, not greatly elevated, ex- 

 tending from nape nearly to caudal fin. xA.nal similar but shorter, 

 both without distinct spines. Caudal widely forked. Pectoral 

 fins very short and small. Ventrals well developed, I, 5, thor- 

 acic, and partly received into a groove in abdomen. 



Large fishes inhabiting high seas in warm regions, noted for 

 their brilliant and changeable colors. 



Genus Coryph^na Linn^us. 



The Dolphins. 

 Coryphaena hippurus Linn^us. 



Dolphin. 



This species has from 55 to 65 dorsal rays, and 26 to 30 anal 

 rays. 



X^>' 



/: 



Dolphin.. CoryplKTiia hippunis Linnaeus. (Upper figure male, lower female.) 

 18 MU 



