FISHES OF THE PHILIPPINE AND ADJACENT SEAS 127 



Ocular band black, not wide as eye above, increasing in width across cheek 

 and subopercle. Forehead pearl gray. Opercle edge bright chrome. Snout 

 with cadmium shades above. Iris black like band across eye. Spinous dorsal 

 membranes greenish, front of each spine blackish, tips of last four and edge 

 of soft dorsal bright chrome with submarginal black line, becomes wide as 

 pupil on vertical portion; then band of greenish yellow, somewhat narrower 

 than black and continuous with greenish of spinous fin; pinkish blotch covers 

 upper portion of scaled region of soft dorsal. Anal dull orange, edge sulphur 

 yellow including most of first 2 spines, then adjoining submarginal pearl gray 

 narrow line and black on yellow of vertical margin. Caudal bright chrome, 

 edge width of pupil behind hyaline, then submarginal yellow band equally 

 wide followed by black band nearly equal to eye at widest portion. Pectoral 

 bright chrome basally, terminal % dusky hyaline. Ventral dusky sulphur 

 yellow. 



565, 566. Tataan, Simaluc Island. February 20, 1908. Length 128 to 130 mm. 



672. Maitara Island. November 26, 1909. Length 140 mm. 



485. Talisse Island. November 9, 1909. Length 121 mm. 



530, 531. Usada Island. March 5, 1908. Length 130 to 133 mm. 



10437, 10439. Varadero Bay, Mindoro. July 23, 1908. Length 125 to 130 mm. 



21112. Cape Kait, Libani Bay, Celebes. December 29, 1909. Length 47 mm. 



52323 U.S.N. M. Apia, Samoa. Bureau of Fisheries. Length 138 to 148 mm. 

 Four examples. 



CHAETODON MERTENSU Cuvier 



Chaetodon mertensii Cuvier, Hist. Nat. Poiss., vol. 7, 1831, p. 47. No 



locality. (Russian Expedition, Captain Liitke). — Day, Fishes of India, 



pt. 1, 1875, p. 105, pi. 27, fig. 2 (Ceylon, Mauritius). 

 Chaetodon merlensi GIjnther, Journ. Mus. Godeffroy, vol. 2-3, Heft 5-6, 



1874, p. 45, pi. 36, fig. B (Paumotus). — Jordan and Seale, Bull. Bur. 



Fish., vol. 25, 1905 (1906), p. 341 (Apia and Pago Pago). 

 Citharoedus mertensi Kaup, Arch. Naturg., vol. 26, abth. 1, 1860, p. 143. 

 Tetrago7ioptrus (Linophora) mertensi Bleeker, Atlas Ichth. Ind. N^erland., 



vol. 9, 1877, p. 50 (Amboina). 

 Chaetodon {Anisochaetodon) mertensii Klunzinger, Fische Roth. Meer., 



1884, p. 57. 

 Chaetodon chrysjtrus (not Schneider 1801) Desjardins, Proc. Zool. Soc. 



London, 1833, p. 117 (Mauritius).— Day, Fauna Brit. India, vol. 2, 1889, 



p. 6.— Ahl, Arch. Naturg., vol. 89, abth. A, Heft 5, 1923, p. 161 



(Mauritius). — Herre and Montalban, Philippine Journ. Sci., vol. 34, 



No. 1, Sept. 1927, p. 35, pi. 8, fig. 1 (Puerto Galera). 

 Chaetodon xanthurus Bleeker, Act. Soc. Sci. Ind. N^erland., vol. 2 



(Amboina), 1857, p. 53. Amboina. — GtJNTHER, Cat. Fish. Brit. Mus., 



vol. 2, 1860, p. 515 (Aneiteum). 

 Choetodon (Tetragonoptrus) xanthurus Sauvage, Hist. Nat. Madagascar, 



Poiss., 1891, p. 261, pi. 29, fig. 1. 

 Tetragonoptrus {Linophora) xanthurus Bleeker, Atlas Ichth. Ind. N^erland., 



vol. 9, 1877, pi. (16) 378, fig. 3. 

 Chaetodon guitatissimus (not Bennett) Klunzinger, Verh. zool. bot. Ges. 



Wien, vol. 20, 1870, p. 780 (Red Sea). 

 Chaetodon dixoni Regan, Ann. Mag. Nat. Hist., vol. 13, ser. 13, 1904, 



p. 276, fig. New Hebrides. 

 Chaetodon chrysxirus subspecies paucifasciatus Ahl, Arch. Naturg., vol. 89, 



abth. A, Heft. 5, 1923, p. 162. Koseir, Red Sea. 

 Chaetodon chrysurus subspecies madagaskariensis Ahl, Arch. Naturg., vol. 



89, abth. A, Heft 5, 1923, p. 163. Madagascar. 



