FISHES OF THE PHrLrPPINE AND ADJACENT SEAS 71 



Mus., vol. 2, 1860, p. 7 (Amboina; Fiji). — Kaup, Arch. Naturg., vol. 26, 

 abth. 1, 1860,"p. 15 (Moluccas, Tahiti). — Gunther, Journ. Mus. Godef- 

 froy, vol. 2-3, Heft 5-6, 1874, p. 36, pi. 27, fig. A-B (Tonga, Society 

 Islands). — De Vis, Proc. Linn. Soc. New South Wales, vol. 9, 1884, p. 453 

 (Cardwell, Queensland). — Meyer, An. Soc. Espanola, Hist. Nat. Madrid, 

 vol. 14, 1885, p. 16 (North Celebes; Ternate; Mysore). — Elera, Cat. 

 Fauna Filipin., vol. 1, 1895, p. 485 (Luzon, Currimao, Ilocos).— t-Jordan 

 and Richardson, Bull. Bur. Fish., vol. 27, 1907 (1908), p. 269 (Cagayan- 

 cillo).— Weber, Siboga Exp., vol. 57, Fische 1913, p. 307 (Nusa Laut). — 

 Ahl, Arch. Naturg., vol. 89, abth. A, Heft 5, 1923, p. 65 (Ralum, New 

 Pomerania, New Guinea, Bougainville Island, Jaluit, Samoa, Ceram 

 Tsingtau).— Fowler, Bishop Mus. Bull., No. 22, 1925, p. 12 (Guam)i 

 p. 34 (Samoa); Bishop Mus. Bull., No. 26, 1925 (1926), p. 17 (Johnston 

 and Wake Islands). — Herre and Montalban, Philippine Journ. Sci., 

 vol. 34, No. 1, September, 1927, p. 56 (Santo Domingo de Basco, southern 

 Batangas, Tubigan Island). 



Rabdophorus ephippuim Swainson, Nat. Hist. Animals, vol. 2, 1839, p. 211. 



Tetragonoptrus (Rabdophorus) ephippium Bleeker, Atlas Ichth. Ind. 

 Neerland., vol. 9, 1877, p. 36, pi. (16) 378, fig. 2 (Cocos, Java, Celebes, 

 Flores, Timor, Ternate, Amboina, Ceram, Harucu, Coram, New Guinea). 



Chaeiodon principalis Cuvier, Hist. Nat. Poiss., vol. 7, 1831, p. 81. East 

 Indies (on Renard and Valentyn). — Kaup, Arch. Naturg., vol. 26, 

 abth. 1, 1860, p. 156. 



Chaeiodon garnoti Lesson, Voy. Coquille, Zool., pt. 2, vol. 1, 1830 (1831), 

 p. 174 (name in synonymy). 



Chaeiodon mulsanti TnioLLifeRE, Fauna Woodlark, 1857, p. 163. Woodlark 

 Island. 



Chaeiodon papek (Montrouzier) THiOLLi:feRE, Fauna Woodlark, 1857, p. 163 

 (name in synonymy). 



Depth 1% to 13^; head 3 to 3^, width 2 to 23/^. Snout 23^ to 3 

 in head from snout tip; eye 4 to 4%, l^i to lf4 in snout, 1}4 to 1% 

 in interorbital; maxillary 3^ to % in snout, 3^ to 3^ in head; 

 interorbital 3)^ to 3%, convex. Gill rakers 3 + 10, short points, 

 robust, 3^ of gill filaments, which 1% in eye. 



Scales 34 to 37 between gill opening and caudal base; tubes 32 to 

 34 in lateral line; 9 to 11 scales above lateral line, 16 or 17 below. 

 Scales with 8 to 10 basal radiating striae, with 1 to 7 incomplete 

 auxiliaries; 101 to 143 apical denticles, with 15 to 27 transverse 

 series of basal elements; circuli fine. 



D. XII or XIII, 22, i or 23, i, last spine 1% to 2 in total head 

 length, fourth ray 1% to 2 in combined head and body; A. Ill, 21, 

 I or 22, I, last spine lii to 2 in head, tenth ray 1% to 2; least depth 

 of caudal peduncle 2% to 3; caudal 13^^ to 1^, hind edge slightly 

 double concave; pectoral 13^ to 13^; ventral 13^ to 1%. 



Largely light brown, each row of scales on lower side of abdomen 

 with slightly dark longitudinal streak formed along junctures of scales. 

 Preorbital, postocular and opercle grayish. Diffuse pale brownish 

 streak from above down through eye and fading on cheek below. 

 Obscure brownish line from fourth dorsal spine nearly to pectoral 



