722 GEOLOGICAL SURVEY OF NEW JERSEY. 



on vomer, &c. ; villiform teeth on tongue ; skull with a high crest ; 

 dorsal fin along entire back nearly; no distinct spines; pectorals 

 short ; caudals widely forked ; no air-bladder nor pseudobranchs. 



CORYPH^NA, L. 



(Iiampugus.) 



C. equlBetis, L. {immaculaia punctidatus.) Spotted Dolphin, or Lam- 

 pugus. Small Dolphin. 



Bluish above, paler below, and yellowish; sides sometimes 

 sprinkled with small blue spots, larger at base of dorsal ; dorsal 

 blue, wavy, with rows of spots ; none on anal ; profile of snout 

 does not become vertical with age. Dorsal rays, 51 to 56 ; anal 

 rays, 24 to 26 ; length, 2^ feet. 



" The writer has not met with this species. Said to have been 

 caught at the mouth of the Hudson River." — [C. C. A.] 



C. hippuruB, L. (guttata, sueuri ) Great Dolphin. 



Colors brilliant when captured, changing suddenly at death ; 

 brownish olive above, golden below, with bright blue spots; 

 dorsal purplish, with lines ; other fins tinged blue ; caudal yellow, 

 pale, with blackish spots in preserved specimens ; profile becomes 

 vertical with age ; male with a crest, female with blue spots on 

 each side of tail. — Poey. Dorsal rays, 58 to 64 ; anal rays, 26 

 to 30 ; length, 6 feet. Common in warmer seas. 



" This handsome and interesting species is not abundant along 

 our coast, although specimens are met with every summer at the 

 various coast villages, as Long Branch, Tuckerton, Toms 

 River, &c."— [C. C. A.] 



Family APHREDODERID^. 



Pirate Perches. 



Body oblong, elevated at base of dorsal, compressed behind, with 

 head thick and depressed; lower jaw projecting; teeth in villiform 

 bands ; opercle with a spine, some of bones serrated ; bones of skull 

 cavernous ; branchiostegals six ; scales ctenoid, adherent ; lateral line 



