60 BULLETIN 10 0, UNITED STATES NATIONAL MUSEUM 



II. GoNOCHAETODON. Scalcs of irregular form, rows with angle in middle of 

 body depth; soft dorsal with angular point and hind edge vertical; snout short. 



triangulum 



III. Megaprotodon. Body oval; scales obliquely rounded and rows form 

 obtuse angle, 25; outer row of teeth larger; dorsal spines double length of soft 



rays; anal spines 4, rarely 5 trifascialis 



■♦ 



CHAETODOI-i MEYERI Schneider 



Chaelodon meijeri Schneider, Syst. Ichth. Bloch, 1801, p. 223. Moluccas. — 

 CuviER, Hist. Nat. Poiss., vol. 7, 1831, p. 19 (Moluccas). — Valenciennes, 

 Regne Animal, Poiss., 111., 1839, p. 106, pi. 37, fig. 2. — Gunther, Cat. Fish 

 Brit. Mus., vol. 2, 1860, p. 13 (Celebes, Amboina, Java, Moluccas). — 

 Elera, Cat. Fauna Filipin., vol. 1, 1895, p. 485 (Luzon, Naic, Cavite). — 

 Steindachner, Abh. Senckenb. Naturf. Ges., vol. 25, 1900, p. 420 (Ter- 

 nate). — Weber, Siboga Exp., vol. 57, Fische, 1913, p. 305 (Banda; Timor). — 

 Ahl, Arch. Naturg., vol. 89, abth. A, Heft 5, 1923, p. 49 (Ralura, Jaluit, 

 East Indies, Mikindani, East Africa). — Fowler, Proc. Acad. Nat. Sci. 

 Philadelphia, 1923, p. 42 (Madagascar). 



Citharoedus mcyeri Kauf, Arch. Naturg., vol. 26, abth. 1, 1860, p. 141 

 (Moluccas). 



Tetragonoptrus (Citharoedus) meyeri Bleeker, Atlas Ichth. Ind. Nderland., 

 vol. 9, 1877, p. 32, pi. (14) 37b, fig. 5 (Java, Celebes, Amboina, Ceram, New 

 Guinea). 



Holacanthus flavo-niger Lacepede, Hist. Nat. Poiss., vol. 4, 1802, pp. 529, 535, 

 pi. 13, fig. 2. No locality. 



Depth lYz to 1%; head 33^ to 3%, width \% to 2. Snout 2^ 

 to 3 in head; eye ?>% to 4, 13^ to 1% in snout, 13^ to 1}^ in interor- 

 bital; maxillary % to ^ in snout, 3% to 33^ in head; interorbital 

 2% to 2^, convex. Gill rakers 6 + 20, short weak points, 7 in gill 

 filaments, which 1)^ in eye. 



Scales 48 to 50 between gill opening and caudal base; tubes 32 to 

 38 in lateral line; 10 or 11 scales above lateral line, 27 or 28 below. 

 Scales with 7 or 8 basal radiating striae; apical denticles 70 to 107, 

 with 3 to 8 transverse series of basal elements; circuli fine. 



D. XII or XIII, 23, i or 24, i, last spine 1 to IV^ in head, fourteenth 

 ray 1% to 13^; A. Ill or IV, 18, i to 20, i, third spine VA to 2}/^, 

 twelfth ray 1 % to 1 % ; least depth of caudal peduncle 2^ to 3; caudal 

 1% to 1^, hind edge convex; pectoral 1t& to 13^; ventral 13^ to 1)^. 



Light brown with yellowish tints on side of abdomen and vertical 

 fins. Blackish band meets its fellow at occiput, extends through eye, 

 broadens on cheek and extends down over most of breast; margined 

 in front and behind by yellow line which former broader and separates 

 another narrower blackish band along upper lip and down over throat; 

 yellow line from upper lip extends down separating broadly dusky or 

 blackish lower lip. Black line extends down from first dorsal spine 

 toward head; posteriorly continued along spinous dorsal and soft 

 dorsal submarginally to ends of longer posterior dorsal rays. Black 

 line usually arches forward from second dorsal spine, broadening 



