266 BULLETIN 10 0, UNITED STATES NATIONAL MUSEUM 



Naseiis angiosus Bleeker, Nat. Tijds. Nederland. Indie, vol. 2, 1856, p. 487 



(Ceram). 

 Naseus olivaceous Valenciennes, Hist. Nat. Poiss., vol. 10, 1835, p. 288. 



Tahiti.— GiJNTHER, Cat. Fish. Brit. Mus., vol. 3, 1861, p. 352 (Type; 



Philippines). — Elera, Cat. Fauna Filipin., vol. 1, 1895, p. 533 (Luzon, 



Manila). 

 Chaetodon olivaceous (Solander) Valenciennes, Hist. Nat. Poiss., vol. 10, 



1835, p. 288 (name in synonymy). 

 Naseus longicornis (Cuvier) Guerin, Iconogr. Poiss., 1830-44, pi. 35, fig. 3. 



Mauritius. 

 Harpurus monoceros (Forster) Lichtenstein, Descript. Animal., 1844, 



p. 219. Tahiti; Babuyoo near Waighew. 

 Keris amboinensis Bleeker, Nat. Tijds. Nederland. Indie, vol. 3, 1852, 



pp. 272, 546. Amboina; Wahai. — Meyer, An. Soc. Espanola, Hist. Nat. 



Madrid, vol. 14, 1885, p. 24 (Tabukan, Sangi; Ternate). — Beaufort, 



Bijd. Dierk., Amsterdam, vol. 19, 1913, p. 125 (Amboina). 

 Priodon amboinensis Bleeker, Nat. Tijds. Nederland. Indie, vol. 4, 1853, 



p. 93 (Amboina); vol. 5, 1853, pp. 319. 320 (Amboina); vol. 6, 1854, 



p. 459 (Amboina); vol. 8, 1855, p. 393 (Amboina). 

 Naseus amboinensis Bleeker, Nat. Tijds. Nederland. Indie, vol. 10, 1856, 



p. 360 (Ternate); vol. 11, 1856, p. 95 (Banda), p. 385 (Kajeli, Buru); 



vol. 13, 1857, p. 372 (Sangi), p. 478 (KarangboUong); vol. 15, 1858, p. 



201 (Coram); vol. 17, 1858-59, p. 143 (Boleling, Bali); vol. 18, 1859, 



p. 354 (Bawean); Act. Soc. Sci. Ind. Neerland., vol. 1, No. 3, 1856, p. 31 



(Manado); vol. 1, No. 5, 1856, p. 6 (Amboina); vol. 2, No. 7, 1857, p. 5 



(Amboina); Verslag. en Mededeel. Akad. Wet. Amsterdam, vol. 12, 1861, 



p. 31 (Singapore). — Weber, Siboga Exp., vol. 57, Fische, 1913, p. 321 



(Saleyer). 

 Acronurus aegyptius Gray, Cat. Fish. Gronow, vol. 2, 1854, p. 191. Red 



Sea. 

 Acronurus coringer Gray, Cat. Fish. Brit. Mus., vol. 3, 1861, p. 192. Red 



Sea (on Forskal). 

 Naseus punikar ThiolliI3Re, Fauna Woodlark, 1857, p. 182. Woodlark 



Island. 

 Prionurus punikar (Montrouzier) TniOLLifeRB, Fauna Woodlark, 1857, p. 



182 (name in synonymy). 



Depth IJ4 to 2%; head 3 to 3^, width 2 to 23^. Snout 1}4 to 

 1% in head from snout tip; eye 2% to 6, 2}/^ to 4^ in snout, 1 to 1^ 

 in interorbital; teeth 46 to 38 in jaws, small, compressed moderately; 

 maxillary 3% to 4; interorbital 33/^ to 3}/^, broadl}'^ convex. Gill 

 rakers 4 + 9, short, clavate, robust. 



Skin very finely asperous, finely velvety to touch; in young scales 

 very small, slightly rougher. 



D. VI, 27, 1 or 28, i, first spine 2 to 2}^ in head, first ray 1^ to 

 2}i; A. II, 27, 1 to 29, 1, second spine 3 to SYs, first ray 2]^ to 3^; 

 caudal emarginate, hind edge nearly truncate with age, upper and 

 lower tips produced in slender filaments nearly as long as head, 2^ 

 to 3^ in combined head and body; least depth of caudal peduncle 

 5 to 5^ in head; pectoral l}/^; ventral IJ^ to 23/^; caudal peduncle 

 with 2 bony bucklers, each with denticle flattened and curved forward, 



