FISHES OF THE PHIL.n>PINE AND ADJACENT SEAS 259 



Bull., No. 26, 1925 (1926), p. 19 (Johnston Island).— Herre, Philippine 

 Journ. Sci., vol. 34, No. 4, Dec. 1927, p. 441 (Calapan, Bulalacao, New 

 Washington, Estancia, Tubigan, Sibutu, Dumaguete). 



Acanthurus rhombeus Kittlitz, Mus. Senckenb., vol. 1, 1834, p. 196, pi. 13, 

 fig. 16. Ulea Island, Carolines. — Gunther, Cat. Fish. Brit. Mus., vol. 3, 

 1861, p. 342 (Ceram, Aneiteum, Hawaii). — Playfair, Fishes of Zanzibar, 

 1866, p. 57 (Zanzibar). — Meyer, An. Soc. Espanola, Hist. Nat. Madrid, 

 vol. 14, 1885, p. 24 (Ternate). 



Harp^lr^ls rhombeus Bleeker, Nederland. Tijds. Dierk., vol. 1, 1863, p. 271 

 (Atapupu, Timor); Verslag. en Mededeel. Akad. Wet. Amsterdam, vol. 16, 

 1864, p. 365 (Nusa Laut, Moluccas); vol. 2, ser. 2, 1868, p. 272 (Guebe, 

 Moluccas). 



Zebrasoma rhombeuyn Jordan and Seale, Bull. Bur. Fish., vol. 26, 1906 

 (1907), p. 34 (Panay). — Jordan and Richardson, Bull. Bur. Fish., vol. 

 27, 1907 (1908), p. 270 (Cagayancillo).— Fowler, Proc. Acad. Nat. Sci. 

 Philadelphia, 1927, p. 287 (Calapan). 



Acanthurus scopas Valenciennes, Hist. Nat. Poiss., vol. 10, 1835, p. 246, pi. 

 290. Dorey Harbor, New Guinea; Mauritius; Ulea. — Bleeker, Nat. 

 Tijds. Nederland. Indie, vol. 2, 1851, p. 228 (Banda, Neira), p. 348 (Laran- 

 tuka Straits, Solor); vol. 5, 1853, p. 68 (Solor), pp. 319, 320 (Amboina); 

 vol. 6, 1854, p. 90 (Banda, Neira), p. 313 (Larantuka, Floris Island); vol. 8, 



1855, p. 276 (Ternate), p. 306 (Batoe Island); vol. 9, 1855, p. 106 (Sabu, 

 Halmaheira); vol. 11, 1856, p. 95 (Banda); vol. 12, 1856, p. 230 (Batu 

 Island), p. 508 (Wahaai, Ceram); vol. 17, 1858-59, p. 130 (Atapupu, Timor); 

 vol. 22, 1860, p. 113 (Buru); Act. Soc. Sci. Ind. Neerland., vol. 1, No. 5, 



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

 Acanthurus altivelis Valenciennes, Hist. Nat. Poiss., vol. 10, 1835, p. 249. 



East Indies and Mauritius. 

 Zeus elevatus (Parkinson) Valenciennes, Hist. Nat. Poiss., vol. 10, 1835, 



p. 249 (name in text). 

 Acanthurus goramensis Bleeker, Nat. Tijds. Nederland. Indie, vol. 15, 1858, 



p. (200) 208. Coram Island.— Gunther, Cat. Fish. Brit. Mus., vol. 3, 



1861, p. 343 (copied). — Jatzow and Lentz, Abh. Senckenb. Naturf. Ges., 



vol.24, 1898, pi. 36, fig. 11. 

 Acanthurus virgatus Vaillant and Sauvage, Rev. Mag. Zool., vol. 3, 1875, 



p. 283. Honolulu. 

 Zebrasoma agana Seale, Occas. Papers Bishop Mus., vol. 1, No. 3, 1901, p. 



110. Agaiia, Guam. 

 Zebraso7na rostratum (not Gunther) Jordan and Seale, Bull. Bur. Fish., 



vol. 25, 1905 (1906), p. 356 (Samoa). 

 Zebrasoma velijcrum (not Bloch) Kendall and Goldsborough, Mem. Mus. 



Comp. Zool., vol. 26, No. 7, 1911, p. 311 (Tahaa, Society Islands). 



Depth 1% to \%; head 2% to 3K, width 2 to 2}/^. Snout \}i to 

 13^ in head; eye 3% to 43^, 2% to oj^ in snout, 1 to 13^ in interor- 

 bital; teeth 20 to 22 in jaws, moderate; maxillary 3% to 4^^ in head; 

 interorbital 3 to 33^5, broadly and slightly convex; opercle and 

 humeral arch with fine striae, obsolete on former with age. Gill 

 rakers 4 + 7, short, robust, fleshy points. 



Skin with firmly adherent semiosseous scales, forming strong integ- 

 ument, scarcely detachable and forming finely asperous surface. On 

 middle of tail especially behind, or before caudal spine large and more 

 roughly spinescent area ; quite restricted in young examples. 



