FISHES OP THE PHILIPPrNB AND ADJACENT SEAS 83 



__^East Africa, Zanzibar, India, Ceylon. We have examined a single 

 example. 



43938 U.S.N.M. Mauritius. Colonel Nicholas Pike. Length 203 mm. 



CHAETODON NIGRIPINNATUS Desjardins 



Chaetodon nigri'pinnaiit.s Desjardins, Dix. Rapp. Soc. Hist. Nat. Maurice, 

 1836, p. 57. Mauritius. 



Chaetodon nigripinnis Peters, Arch. Naturg., vol. 21, 1855, p. 246. Mo- 

 zambique. — GuNTHER, Cat. Fish. Brit. Mus., vol. 2, 1860, p. 32 (copied). 



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

 Poiss., 1891, p. 260, pi. 29, fig. 4 (type). 



Chaetodon xanthocephalus (not Bennett) Ahl, Arch. Naturg., vol. 89,abth. 

 8, Heft 5, 1923, p. 68 (type of Chaetodon nigripinnis). 



This nominal form according to Sauvage is not clearly distinct 

 from Chaetodon xanthocephalus Bennett with its developed fins, 

 blackish marginally, bordered red at base and 5 transverse brown 

 lines on body. 



CHAETODON FREMBLH Bennett 



Chaetodon fremblii Bennett, Zool. Journ., vol. 4, 1828, p. 42. Hawaiian 

 Islands. — Gunther, Cat. Fish. Brit. Mus., vol. 2, 1860, p. 16 (type); 

 Journ. Mus. Godeffroy, vol. 2-3, Heft 5-6, 1874, p. 39, pi. 29, fig. B 

 (Hawaii).— Fowler, Bishop Mus. Bull., No. 22, 1925, p. 26 (Honolulu). — 

 Fowler and Ball, Bishop Mus. Bull., No. 26, 1925 (1926), p. 17 (French 

 Frigate Shoals; Laysan). 



Chaetodon frehmli hcnnetti Kaup, Arch. Naturg., vol. 20, abth. 1, 1860, p. 16 

 (Hawaii). 



Yellow, with 9 blue longitudinal lines. No ocular band, but black 

 predorsal blotch and black band from last dorsal rays across tail, but 

 not on anal. 



51113, 55094, 58534 U.S.N.M. Hawaii. Bureau of Fisheries. Four examples. 

 58537 U.S.N.M. Laysan Island. Max Schlemmer. 



CHAETODON FLAVIROSTRIS Gunther 



Chaetodon flavirostris Gunther, Journ. Mus. Godeffroy, vol. 2-3, Heft 5-6, 

 1874, p. 41, pi. 32, fig. A. Vavau, Friendly Islands. — Seale, Occ. Papers, 

 Bishop Mus., vol. 4, No. 1, 1906, p. 64 (Fate, New Hebrides). 



Suggestive of the design of Chaetodon adiergastos Seale but without 

 dark lines on each row of scales longitudinally. Differs also in black- 

 ish vertical band from bases of dorsal rays crossing tail to bases of 

 anal rays. 



CHAETODON MITRATLS Gunther 



Chaetodon mitratus Gunther, Cat. Fish. Brit. Mus., vol. 2, 1860, p. 16. 

 Mauritius. 



Snout moderately produced. Preopercle entire. Scales 35 in lat- 

 eral line, 6 above, 15 below. D. XIII, 19; A. Ill, 14; dorsal and 

 anal rounded posteriorly. Ocular band crosses head above orbits 

 and not extending to interopercle. Broad oblique brown band from 



