FISHES OF THE PHH.IPPINE AND ADJACENT SEAS 219 



and 2 on caudal base transversely, greater median part of fin dusky 

 brown but separated from broad brown margin by narrow lunar blue 

 line. Dorsals deeper brown than body and marked with many paral- 

 lel longitudinal bluish lines, posteriorly these continuations of blue 

 longitudinal lines w^ithin dark bands. Anal brown, with obscure 

 brownish longitudinal bands. Both edges of dorsals and anals 

 narrowly blue. Pectoral brownish, with 1 or 2 short irregular bluish 

 lines mostly longitudinal and basal. Ventral whitish, front border 

 broadly dusky in contrast and with ver^^ narrow anterior blue margin. 

 Zanzibar, India, East Indies, Philippines, Polynesia. The most 

 striking species of the family, and easily known by its very conspicu- 

 ous longitudinal lines or bands. 



8957, 8958, 16606, 16607. Alibijaban Island, Ragay Gulf, Luzon. March 6, 



1909. Length 232 to 242 mm. 

 6513. Balikias Bay. July 17, 1908. Length 260 mm. 

 13400. Bito Lake, Abuyog, Leyte. July 26, 1909. Length 183 mm. 

 9820. Cagayan, Sulu Island. January 8, 1909. Length 225 mm. 

 270. Cagayanes Island. March 31, 1909. Length 215 mm. 

 8863 to 8865. Canimo Island. June 15, 1909. Length 252 to 290 mm. 

 A1539. Doc Can Island. January 7, 1910. Length 215 mm. 

 4586 to 4588. Grande Island reef', Subig Bay. January 8, 1908. Length 237 



to 240 mm. 

 9206, 9207. Hermano Major Island. May 8, 1909. Length 235 to 237 mm. 

 5159. Jolo, Jolo Island. March 6, 1908. Length 263 mm. 

 4667, 4668. Limbones Cove. January 14, 1908. Length 248 to 275 mm. 

 8731. Little Santa Cruz Island. May 28, 1908. Length 182 mm. 

 7424. Malcochin Harbor, Linapacan Island. December 18, 1908. Length 



278 mm. 

 9046. Panabutan Bay, Mindanao. February 6, 1908. Length 220 mm. 

 6384, 6385. Port Jamelo. July 13, 1908. Length 230 to 238 mm. 

 7042. Port San Pio Quinto, Camiguin Island. November 11, 1908. Length 



228 mm. 

 8985. Rapu Rapu Island. June 22, 1909. Length 255 mm. 

 5698. Sabtan Island. November 8, 1908. Length 217 mm. 

 6902, 6903, 19161. Santo Domingo de Bosco, Batan. November 7, 1908. Length 



190 to 240 mm. 

 14017. Santo Domingo de Bosco, Batan. November 17, 1908. Length 168 mm. 

 15192. Taganak Island. January 7, 1909. Length 223 mm. 

 7348. Tara Island. December 14, 1908. Length 257 mm. 

 6479, 6480, 10384 to 10386. Tilig, Lubang Island. July 15, 1908. Length 



178 to 250 mm. 

 7140. West coast of Palaui Island. November 18, 1908. Length 262 mm. 

 6980. West coast of Sabtan Island. November 8, 1908. Length 243 mm. 

 15131 U.S.N. M. Samoa. A. B. Steinberger. Length 255 mm. 

 47861 U.S.N.M. Solomon Islands. Australian Museum. Length 173 mm. 

 52315 U.S.N.M. Apia, Samoa. Bureau of Fisheries. Length 50 to 236 mm. 



Twelve examples. 



HEPATIjS UNDULATUS (Valenciennes) 



Acanthurus undulatus Valenciennes, Hist. Nat. Poiss., vol. 10, 1835, p. 205. 

 Indian Ocean. — Gunther, Cat. Fish. Brit. Mus., vol. 3, 1861, p. 335 

 (copied). 



Depth little over 2 in length. Snout profile nearly straight. D. 

 IX, 26; A. Ill, 24. Caudal concave behind. Pale brown, each 



