FISHES OF THE PHILIPPINE AND ADJACENT SEAS 151 



HENIOCHUS PERMUTATUS Cuvier 



Heniochus permutatus (E. Bennett) Cuvier, Hist. Nat. Poiss., vol. 7, 1831, 

 p. 99. No locality (Collection Zool. Soc. of London). — Herre and Mont- 

 ALBAN, Philippine Journ. Sci., vol. 34, No. 1, Sep. 1927, p. 80, pi. 22, fig. 2 

 (Romblon, Tubigan, Bungau). 



Heniochus chrysostomus Cuvier, Hist. Nat. Poiss., vol. 7, 1831, p. 99. Ta- 

 hiti. — Valenciennes, Regne Animal, Poiss., 111., 1839, pi. 40, fig. 2. — Lat 

 and Bennett, Zool. Beechey's Voy., 1839, p. 62, pi. 18, fig. 1 (Tahiti).— 

 Gunther, Journ. Mus. Godeffroy, vol. 2-3, Heft 5-6, 1874, p. 49, pi. 39, fig. 

 A (Paumotus and Society Islands). — Steindachner, Sitz. Ber. Akad. Wiss. 

 Wien, vol. 102, Heft 1, 1893, p. 226, pi. 2, fig. 1 (Tjilatjap, Java).— Weber] 

 SibogaE.xp., vol. 57, Fisch^ 1913, p. 310 (Saleyer).— Cockerel, Mem. 

 Queensland Mus., vol. 3, 1915, p. 44 (Queensland).— Ahl, Arch. Naturg., 

 vol. 89, abth A, Heft 5, 1923, p. 30 (Ralum, Thilenius Harbor, New Guinea' 

 Samoa, Madras). 



Heniochus chrysostoma GtJNTHER, Cat. Fish. Brit. Mus., vol. 2, 1860, p. 41 

 (Amboina).— Elera, Cat. Fauna Filipin., vol. 1, 1895, p. 489 (Luzon, 

 Manila). 



Chaetodon chrysostomus (Parkinson) Cuvier, Hi.st. Nat. Poiss., vol. 7, 1831, 

 p. 99. Tahiti (name in synonymy). 



Taurichthys chrysostomus Bleeker, Atlas Ichth. Ind. Neerland., vol. 9, 1877, 

 p. 29, pi. (4) 366, fig. 2 (Floras, Ternate, Ceram, Amboina, Banda, Coram, 

 New Guinea). 



Heniochus melanistion Bleeker, Nat. Tijds. Nederland. Indie, vol. 7, 1854, 

 p. 98. Banda, Neira. 



Heniochus drepanoides ThiglliSire, Fauna Woodlark, 1857, p. 166. Wood- 

 lark Island. 



Drepane cocher (Montrouzier) Thiollibre, Fauna Woodlark, 1857, p. 166 

 (name in synonymy). 



Depth IM to 1%; head 2^^ to 25^, width 2 to 23/^. Snout 2% to 

 3 in head; eye 2% to Z\i, \y^ io 1% in snout, greater than interor- 

 bital in young to equal to interorbital with age; maxillary }4, to % 

 in snout, 5 to b% in head. Interorbital 3^ to 4, broadly and shghtly 

 convex; with age strong, short, variably simple or bifid supraorbital 

 spine, greatly shorter than pupil. Gill rakers 3 4-12, short points, 

 about Yo of gUl filaments, which ly^ in eye. 



Tubes 47 to 54 in lateral line to caudal base; 10 or 11 scales above 

 lateral line, 24 to 26 below. Scales with 9 to 15 basal radiating striae ; 

 apical denticles 68 to 90, with 6 to 10 transverse series of basal ele- 

 ments; circuli fine. 



D. XII, 21, I or 22, i, fourth spine 1 to 2y in combined head and 

 body, second ray 1^ to 1% in head; A. Ill, 17, i to 19, i, tliird spine 

 l\i to 13/^, fourth ray 2% to 33<C; least depth of caudal peduncle 3 

 to 3>^; caudal truncate, slightly convex as expanded, 1% to \]/2', 

 pectoral 23^ to 2% in combined head and body; ventral 2 3^ to 3. 



Pale to whitish generally. Broad blackish-brown obhque band 

 from eye and predorsal to most of post-ventral region, including pec- 

 toral base. Aluzzle, interorbital and occipital region pale or whitish, 

 with blackish median streak at snout tip. Second broad blackish 



