PEOCEEDINGS OF UNITED STATES NATIONAL MUSEUM. 281 1788. Harpurus Forster (MSS ? ) = Teuthis. 1788. Jarpwnis vel Jca«//iMrMS Forster in Gmelin = Teuthis. 1792. Harpurus Forster in Walbanm = Tenthis. 1801. Monoceros (Bloch) Sclineider = MoNOCEROS. 1801. Amphacmithus (Bloch) Schneider = Siganus. 1801. Acantlmrus (Bloch) Schneider = Teuthis. 1802. Nam Lac^pfede = Monoceros. 1802. Aspisurus Lac^pede = Teuthis. 1803. Buro Coninierson in Lacfepede = Siganus. 1803. ' Opisiotomus Commersouy?(7e Day = Siganus. 1803. Friouurm Lac^pede = Prionurus. 1815. Nasonus Rafinesqne ^Monoceros. 1817. Siganus Cuvier = Siganus. 1829. Nasciis (C.'ommerson) Cuvier = Monoceros. 1829. Axinurus Cuvier = Monoceros. 1829. Priodon Cuvier = Monoceros. 1832. Teuthis Bonaparte (snbg. of Teuthis). 1832. Acantlmrus Bonaparte (subg. of Teuthis). 1832. Scopas Bonaparte (subg. of Teuthi8)= Zebrasoma ? 1832. Ctenoilon Bonaparte (subg. of Teuthis)= CtenochaetuBf 1832. Priodontichthys Bonaparte — Monoceros (= Priodon Cuvier). 1835. Keria Cuvier & Valenciennes = Monoceros. 1839. Acanthurus Swainson = Teuthis. 1839. Teulhys Swainson = Teuthis. 1839. Ctenodon = Teuthis. 1839. Harpurus =: Zebrasoma. 1839. Zebrasoma — Zebrasoma. 1839. Callicanthus :^ Monoceros. 1839. Teuthis Gray = Teuthis. 1854. Teuthis Gronow = Siganus. 1854. Acronnrus Gronow = Teuthis. 1861. Jc>-o»(MrM.3 Giinther = Teuthis. 1861. lihombotides Bleeker = Teuthis. 1861. Scopas Kner = Zebrasoma. 1876. Rhombotides Day = Teuthis. 1876. Ctenodon Day = Ctenochaetns. 1876. Harpurus Day = Zebrasoma. 1884. Ctenoch^tus Gill. • 1884. COLOCOPUS Gill. A REVIEW OF THE SPECIES OF THE GENUS HiBMULON. By DATID S. JORDAN and JOSEPB HWA\fi. In the present paper is given the synonymy of the known species of the genus Hcemulon Cn\ier, with an analysis of their characters, and re-descriptions of the species which have been collected by Professors Jordan and Gilbert. All the species of Hcemulon are American. The genus is very closely rielated to Pornadasys, Lac. {=PrisUpoma, Ouv.), the only tangible points of difference being the large mouth with curved gape, and the closely
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