176 FAMILIES OF SYNENTOGXATHOUS FISHES— GILL. 



SubfaiTiily SCOIVEBERESOCIN.^. 



^=Svomhere80cinw, Gill, Cat. Fishes E. Coast N. America, p. 38, 1861. 

 =:Scomheresocin(v, Jordan aud Gilbert, Syn. Fishes N. A,, p. 372, 1882. 

 Sphyrenidia geiius, Rafinesque, 1815. 



Diagnosis. — Exocoetids with both jaws more or less elongated and 

 attenuated forward, pectoral fins moderate, and the epipharyugeals of 

 the third pair separate from each other. 



Two genera are known. 



Genus SCOMBERESOX. 



Scomberesox, Lackpkoe. Hist. Nat. lies Poissons, Y, p. 344, 1803. 



Sayris, Rafinesqi'E, Car. Ale. Geu. e Sp., p. 60, 1810; Anal. Nat., p. 89, 1815. 



Les Scomhre'soces, Cuvier, R&gue Animal (Ire 6d.), II, p. 186, 1817. 



Scomberesox, Cuvier and Valenciennes, Hist. Nat. des Poissons, XVIII, p. 460, 



1846. 

 GrammiconoiHS, Costa, Ann. Mns. Zool. Napoli, 1862, p. 55. 

 Scombrcsox, Gunther, Cat. Fish. Brit. Mns., VI, p. 256, 1866. 



From this genus should be removed the >S'. hrevirostris of California, 

 which is distinguished by the short or curtailed forceps like jaws. 



Genus COLOLABIS. 

 Cololabls, Gill, MSS. 

 Scombresox, sp., Peters et al. 



Type G. hrevirostris. 



SuT^faiTiily EXOCCETIN^E. 



<^ Lepomla, Rafinesque, Analyse Nat., p. 88, 1815. 



= Exocwtini, Bonap.\rte, Giorn. Accad. di Scieuze, LII (Saggio Distrib. Metod. 



Animali Vertebr. a Sangiie Freddo), p. 94, 1832. 

 < Exocelince, Swainson, Nat. Hist, aud Class. Fishes, etc., II, p. 296, 1839. 

 =:Exocwtmi, Bonaparte, Nuovi Auuali delle Sci, Nat., II, p. 133, 1838; IV, p. 



274, 1840. 

 = Exocaiin\, Bleeker, Ennm. Sp. Piscium Archipel. Indico, p. 30, 1859. 

 = Exococil formes, Bleeker, Atlas Ich. Indes Ncerlaud., VI, p. 67, 1866-72. 

 = Exocoetinw, Jordan and Gilbert, Syn. Fishes N. Am., p. 372, 1882. 



Diagnosis. — Exoctetids with both jaws rounded or simply angulated 

 forward, pectoral fins enlarged and adapted for sustentation of the 

 body in the air, and the epipharyugeals of the third pair separate. 



Genus EXOCCETUS. 



Exococtus, LiNN/EUS, Syst. Nat., 10th ed., I, p. 316, 1758 (J5J. voUtans, only sp.). 

 Exoccetus, Weinland, Proc. Boston Soc. Nat. Hist., VI, p. 385, 1859. 

 Cypselarus, Swainson, Nat. Hist. Fishes, etc., II, p. 296, 1839. 

 Fteniclitliys, Muller, Archiv Naturgesch., 9. Jahrg., I, p. 312, 1843. 



Genus HALOCYPSELUS. 



Halocypselus, Weinland, Proc. Boston Soc. Nat. Hist., VI, p. 385, 1859 (mesogaa- 

 ter). 



Genus PAREXOCCETUS. 



Parexocceiiis, Bleeker, Nederl. Tydschr. Dierk., Ill, p. 105, 1865. 



