132 BULLETIN 10 0, UNITED STATES NATIONAL MUSEUM 



following within from each lower and posterior edge of exposed body 

 scales tOl little below level of pectoral. Iris dark brown. Edges of 

 soft dorsal and soft anal pale, former with median rather obscure 

 longitudinal brown line and parallel diffuse brown band little below 

 middle. Caudal edge whitish and submarginal brown band, in front 

 with slightly darker bordering line. Paired fins pale. 



Red Sea, Zanzibar, Mauritius, East Indies, Polynesia, Hawaii. 

 This is the largest of the genus, reaching upwards of 300 mm. We 

 exclude Chaetodon oxycephalus Bleeker, b}^ which author it was united 

 as a variety of the present species. 



8095. Alimango Bay, Burias Island. March 5, 1909. Length 270 mm. 



8323. Bagacay Bay, Escarpada Island. March 13, 1909. Length 159 mm. 



996. Bubuan Island. February 14, 1908. Length 86 mm. 



9143. Cabugan Island, Leyte. July 29, 1909. Length 253 mm. 



7782, 7783. Candaraman Island, Balabac. January 4, 1909. Length 170 to 203^ 



mm. 

 5542. Cataingan, Masbate. April 17, 1908. Length 190 mm. 

 A1516. Daisy Islet, west of Bumbum Island. January 6, 1909. Length 212 



mm. 

 160, 7590, 7606. Endeavor Strait. December 23, 1908. Length 148 to 202 



mm. 

 190, 191. Langao Point, Luzon. June 24, 1909. Length 103 to 113 nmi. 

 5968. Little Santa Cruz Island. May 26, 1908. Length 260 mm. 

 3887. Maculabo Island. June 14, 1909. Length 57 mm. 

 6200. Mansalay, Mindoro. June 4, 1908. Length 185 mm. 

 3899. Porongpong Island. June 11, 1909. Length 137 mm. 

 8017. Port Banalacan, Marinduque. February 23, 1909. Length 271 mm. 

 1173. Port Binanga. January 9, 1908. Length 132 mm. 

 4783. Quinalasag Island, Masamat Bay. June 12, 1909. Length 130 mm., 

 A565. Teomabal Island. September 18, 1909. Length 275 mm. 

 6653. Varadero Bay, Mindoro. July 23, 1908. Length 283 mm. 

 416. Great Tobea Island. December 15, 1909. Length 120 mm. 

 A860. Limbe Strait, Celebes. November 10, 1909. Length 275 mm. 

 43932 U.S.N. M. Mauritius. Col. Nicholas Pike. Length 173 mm. 

 51064 U.S.N.M. Hawaii. 1901. Length 123 mm. 

 52718 U.S.N.M. Hawaii. 1901. Length 224 mm. 

 65453 U.S.N.M. Rikitea. Albatross collection. Length 227 mm. 



CHAETODON OXYCEPHAI.US Bleeker 



Chaetodon oxycephalus Bleeker, Nat. Tijds. Nederland. Indie, vol. 4, 1853',, 



p. (596) 603. Ternate. 

 Tetragonoptrus (Oxychaetodon) lincolatus (part) Bleeker, Atlas Iclith. Ind.. 



N6erland., vol. 9, 1877, p. 51 (Ternate). 

 Chaetodon lineolatus (part) Ahl, Arch. Naturg., vol. 89, abth. A, Heft 5, 



1923, p. 167 (New Pomerania, Talassia, New Guinea). 



Depth IM to IH; head 2H, width 2% to 2%- Snout 2^ to 2% 

 in head from snout tip; eye 3}4 to 4%, 1^5 to 2}i in snout, 1 to IK 

 in interorbital; maxillary reaches % in snout, 3}/^ to 3^ in head; 

 interorbital 3% to 4, broadly convex. Gill rakers 3 + 10, short points,. 

 4i}/2 ill gill filaments, which 13^ in ejre. 



