188 BULLETIN 10 0, UNITED STATES NATIONAL MUSEUM 



1692. Gubat Bay, Luzon Island. June 23, 1909. Length 40 mm. 

 469. Hinunangan Bay, Cabugan Island. July 30, 1909. Length 138 mm. 

 4716. Lampinigan Island. September 11, 1909. Length 59 ram. 

 One example. Nasugbu". January 16, 1908. Length 17 mm. 

 One example. Sablayan, Mindoro. December 13, 1908. Length 25 mm. 

 One example. Singaan Island. September 21, 1909. Length 21 mm. 

 43943 U.S.N.M. Mauritius. Colonel Nicholas Pike. Length 134 mm. 

 52247 U.S.N. M. Samoa. Bureau of Fisheries. Length 38 mm. As Holocanthus 

 nicobariensis. 



HOLACANTHUS CHRYSURUS Cuvier 



Holacanthus chrysurus Cuvier, Hist. Nat. Poiss., vol. 7, 1831, p. 188. No 

 locality (on Gaimard). — Gunther, Cat. Fish. Brit. Mus., vol. 2, 1860, 

 p. 54 (copied). — Playfair, Fishes of Zanzibar, 1866, p. 38 (Aden and 

 Zanzibar). 



D. XIII, 19, fin slightly pointed. A. Ill, 19. Brown. Blue line 

 from neck round eye toward mouth emitting 3 other lines to inter- 

 opercle edge; vertical line on preopercle extends before pectoral to 

 ventral base; third on chest; body with 6 arched whitish lines, alter- 

 nately broader and narrower, extend over dorsal and anal; several 

 other indistinct lines in interspaces between those described. Caudal 

 yellow, with fine marginal lines. Length 127 mm. (Cuvier.) 



Possibly not dift'erent from Holacanthus semicirculatus. 



holacanthus nicobariensis (Schneider) 



Chaetodon nicobariensis Schneider, Syst. Ichth. Bloch, 1801, p. 219, pi. 50. 

 Nicobars. 



Holacanthus nicobariensis Gunther, Cat. Fisli. Brit. Mus., vol. 2, 1860, p. 52 

 (copied); Cruise, of Curagoa, Brenchley, 1873, p. 410 (Misol, Moluccas); 

 Journ. Mus. Godeflfroy, vol. 2-3, Heft 5-6, 1874, p. 54, pi. 41, fig. B 

 (Samoa, Society Islands). — Peters, Monatsber. Akad. Wiss. Berlin, 1876, 

 p. 438 (Mauritius). — Karoli, Termesz. Fiizetek, Budapest, vol. 5, 1881, 

 p. 156 (Singapore). — Day, Fauna Brit. India, vol. 2, 1889, p. 16. — Vail- 

 LANT, Nouv. Arch. Mus. Paris, ser. 3, vol. 5, 1893, p. 57 (Palawan). — 

 Weber, Siboga Exp., vol. 57, Fische, 1913, p. 311 (Banda). — Herre and 

 MoNTALBAN, Philippine Journ. Sci., vol. 34, No. 1, Sep. 1927, p. 98 

 (Guam, Calapau). — Barnard, Ann. South Afric. Mus., vol. 21, pt. 2, Oct. 

 1927, p. 615 (Mozambique; not synonymy). 



Acanthochaetodon nicobariensis Bleeker, Atlas Ichth. Ind. N^erland., vol. 9, 

 1878, p. 69, pi. (3) 365, fig. 1 (Timor, Amboina, Ceram, Waigu). 



Holacanthus geometricus Lacepede, Hist. Nat. Poiss., vol. 4, 1804, pp. 528, 

 535, pi. 13, fig. 1 (on ^omoing formose Renard, Poiss. Moluques, vol. 1, 

 1718-19, pi. 5, fig. 34. Moluccas).— Cuvier, Nat. Poiss., vol. 7, 1831, 

 p. 189 (compiled). 



Holacanthus bishopt Seale, Occas. Papers Bishop Mus., vol. 1, No. 3, 1900, 

 p. 106. Agaiia, Guam. 



Distinguished from Holacanthus semicirculatus by the lines circular 

 on the body, at least largely so in the young, with age the circles 

 more or less posterior. 



Mauritius, Nicobars, East Indies, Micronesia, Polynesia. 



