80 BULLETIN 10 0, UNITED STATES NATIONAL MUSEUM 



of first spines, sulphur yellow; central cadmium streak extending from base 

 of produced ray and coloring all outer portion, behind narrow sulphur band, 

 terminally narrower white, black and hyaline border. Anal marked as dorsal, 

 black band beginning about fourth or fifth soft ray and very narrow half its. 

 distance, when expanded to rounded head; spines sulphur yellow and white; 

 black and hyaline border as in dorsal. Caudal nearly entirely hyaline, rays 

 slightly dusky, somewhat orange basally, central strip and on fin edges. Paired 

 fins cadmium. 



1077 [1643]. Butauanan Island. June 12, 1909. Length 160 mm. 



508. Langao Point. June 24, 1909. Length 155 mm. 



9198. Mahinog, Camiguin Island. August 3, 1909. Length 235 mm. 



9090. Malhon Island. July 27, 1909. Length 205 mm. 



6250. Medio Island, Galera Bay, Mindoro. June 9, 1909. Length 200 mm. 



A627, A628. Simaluc Island. September 22, 1909. Length 192 to 204 mm. 



19552. Singaan Island. September 21, 1909. Length 106 mm. 



A457. Tulnalutan Island. September 9, 1909. Length 21 mm. 



10441. Varadero Bay, Mindoro Island. July 23, 1908. Length 145 mm. 



560. Binang Unang Island. November 18, 1909. Length 155 mm. 



A709. Danawan Island. September 27, 1909. Length 167 mm. 



A1432. Kapoposang at Ford. December 28, 1909. Length 188 mm. 



A698. Si Ami] Island. September 26, 1909. Length 203 mm. 



A754. Sipadan Island. September 28, 1909. Length 198 mm. 



A1036. Buka Buka Island, Celebes. November 20, 1909. Length 202 mm. 



A958, A959. Sadaa Island, Celebes. November 17, 1909. Length 172 to 176 mm. 



A1064, A1065. Tidore Island, south of Ternate. November 24, 1909. Length 

 202 to 208 mm. 



52449 U.S.N.M. Apia, Samoa. Bureau of Fisheries, 1902. Length 160 mm. 



CHAETOBON BLACEBURNH Desjardins 



Chaetodon hlackburnii Desjardins, Sept. Ann. Rapp. Soc. Hist. Nat. 



Maurice, 1836, p. 58. Mauritius. 

 Chaetodon hlackhurni Valenciennes, Regne Animal, Poiss., 111., 1839, pi. 39, 

 . fig. 3 (note).— GtJNTHER, Cat. Fish. Brit. Mus., vol. 2, 1860, p. 32 



(Mauritius).— Ahl, Arch. Naturg., vol. 89, abth. A, Heft 5, 1923, p. 53 



(Mauritius). 



Snout slightly produced, longer than eye. Preopercle indistinctly 

 denticulated. Scales 43, above 7, below 18. D. XVI, 22, front spines 

 rather low and third equals snout; A. Ill, 16; soft dorsal and anal 

 with obtuse angle. Front part of body light colored, with brownish 

 black ocular band, narrower than eye. Soft dorsal and anal and tail 

 between brownish black, color deeper posteriorly. Six narrow dark 

 stripes descend obliquely forward towards head and belly. Caudal 

 and paired fins colorless in spirits. (Giinther.) 



Ahl gives its dimensions as 100 mm. The imperfectly described 

 Chaetodon ludulosus* may be the present species. 



Snout short. D. XIV, 17; A. Ill, 16. Body with longitudinal 

 streaks. Length 126 to 152 mm. 



* QuoY and Gaimard, Voy. Uranie, Zool., January 29-May 26, 1S25, p. 382. No locality.— Cuvier, 

 Hist. Nat. Poiss., vol. 7, 1831, p. 37 (no locality).— QOnther, Cat. Fish. Brit. Mus., vol. 2, 1S60, p. 33 

 (copied). 



