164 BULLETIN 10 0, UNITED STATES NATIONAL MUSEUM 



8153. Alibijaban Island, Ragay Gulf. March 6, 1909. Length 215 mm. 



8715. Batan and Rapurapu Islands. June 5, 1909. Length 226 mm. 



9243. Camp Overton, Mindanao. August 6, 1909. Length 285 mm. 



5366. Cebu market. April 5, 1908. Length 300 mm. 



5387. Cebu market. April 6, 1908. Length 232 mm. 



7540. Endeavor Strait. December 23, 1908. Length 217 mm. 



7242. Masinloc Bay, Zambales Island. November 23, 1908. Length 233 mm. 



784. Pandanon Island. March 24, 1909. Length 180 mm. 



6550, 6571. Port Maricaban. July 21, 1908. Length 333 to 345 mm. 



8904. Rosa Island. June 17, 1909. Length 296 mm. 



A548. Sulade Island. September 17, 1909. Length 313 mm. 



A900. Limbe Strait, Celebes. November 10, 1909. Length 385 mm. 



HOLACANTHUS VROLIKI Bleekcr 



Holacanthus vroliki Bleeker, Nat. Tijds. Nederland. Indie, vol. 5, 1853, p. 

 339. Amboina; Atlas Ichth., vol. 9, 1877, p. 63, pi. (9) 371, fig. 1 (Flores, 

 Timor, Ternate, Buru, Obi major, Ceram, Amboina). — Klunzinger, 

 Fische Roth. Meer., 1884, p. 60. — Steindachner, Abh. Senckenb. Naturf. 

 Ges., vol. 25, 1900, p. 421 (Batjan).— Weber, SibogaExp., vol. 57, Fische, 

 1913, p. 312 (Banda). — Herre and Montalban, Philippine Journ. Sci., 

 vol. 34, No. 1, Sep. 1927, p. 92, pi. 22, fig. 1 (Calapan, Cagayan de 

 Misamis, Tambagaan, Bungau). 



Holacanthus vrolikii GtJNTHER, Cat. Fish. Brit. Mus., vol. 2, 1860, p. 51 

 (Amboina, Ceram). ^Klunzinger, Verh. zool. bot. Ges. Wien, vol. 20, 

 1870, p. 787 (Red Sea). 



Depth lYstoVA; head 3 to 3>^, width 1% to 2. Snout 2% to 

 3; eye 2}^ to 43^, greater than snout in young to lyi with age, 

 greater than interorbital in young to \}4 with age; maxillary about 

 to eye in vertical, 33^ to 2>% in head; interorbital 33^ to 4, broadly 

 convex; preopercle spine along upper edge 2^i to l]/2- ^i^l rakers 

 4 + 12, short, robust, lanceolate, 43^ in gill filaments, which \}4 

 in eye. 



Scales 32 to 46 between gill opening and caudal base; 7 scales 

 above lateral hne, 19 or 20 below. Scales with 7 or 8 basal marginal 

 striae; apical denticles 16 to 27, each with long slender rootlet; 

 circuli fine. 



D. XIV or XV, 15, i or 16, i, last spine 13^ to \% in head, sixth 

 ray 13^ to 1%; A. Ill, 16, i, third spine 1% to 1^, sixth ray xy^ 

 to lli; least depth of caudal peduncle 1J4 to 23^; caudal 1 to 13^, 

 convexly rounded behind; pectoral 1 to 13^; ventral 2^ to 3}4 in 

 combined head and body. 



Brown, little paler and fawn color on belly, tail and vertical fins 

 becoming dusky brown. Each scale on trunk and tail anteriorly with 

 rather small light or grayish spot. Iris brown. Posterior opercular 

 border blackish-brown, as broad blackish band on opercle and on 

 shoulder girdle in young. Hind edge of caudal very narrowly 

 whitish. Paired fins brown. 



Red Sea, East Indies. In alcohol our examples all show the dark 

 opercular border more contrasted than Bleeker's figure, though most 



