250 BULLETIN 100, UNITED STATES NATIONAL MUSEUM 



p. 28, 1884 (Ponap6). — Weber, Semon's Zool. Forsch. Reis. Austral. Malay 



Arch., vol. 5, p. 263, 1895 (Ambon). — Beauport, Bijd. Dierk., Amsterdam, 



vol. 19, p. 121, 1913 (Ambon). 

 Diapterus macracanthus Bleeker, Atlas Ichth. Ind. Neerland., vol. 8, p. 125, 



pi. (78) 362, fig. 1, 1873-77 (Nias, Banka, Java). 

 Sparus edentulus Gxjnther, Cat. Fish. Brit. Mus., vol. 1, p. 346, 1859 (name in 



text) (no locality). 

 Xystaema macracantha Fowler, Copeia, No. 58, p. 64, 1918 (Philippines). 

 Gerres philippinus GtJNTHER, Cat. Fish. Brit. Mus., vol. 4, p. 258, 1862 (tj'pe 



locality: Philippines); Ann. Mag. Nat. Hist., ser. 3, vol. 20, p. 66, 1867 



(Philippines, Cape York, Nicol Bay). — Elera, Cat. Fauna Filip., vol. 1, 



p. 560, 1895 (Philippines). 

 Diapterus philippinus Bleeker, Versl. Meded. Akad. Wet. Amsterdam, ser. 2, 



vol. 7, p. 242, 1873 (compiled). 

 Gerres cheverti Alleyne and Macleay, Proc. Linn. Soc. New South Wales, vol. 1, 



p. 272, pi. 7, fig. 1, 1876 (Feb. 1877) (type locality: Cape Grenville). 



Depth 2% to 2K; head 3 to Sji, width 1^^ to 2. Snout 3 to 3% in 

 head; eye 3 to 3%, equals snout, 1 to 1% in interorbital ; maxillary 



FiGtrRE 18.~0erres filamentostbs Cuvier, young 



reaches % to K in eye, expansion ji in eye, length 2% to 3 in head; 

 interorbital 2}^ to 3%, broadly convex. Gill rakers 4 to 6 + 7, lance- 

 olate, % of gill filaments, which 2% in eye. 



Scales 40 to 44 in lateral line to caudal base and 3 to 5 more on 

 latter; 5 or 6 above, 9 or 10 below, 13 to 22 predorsal forward opposite 

 front eye edge with broad premaxillary groove scaleless; 3 rows on 

 cheek to preopercle ridge. Scales with 6 to 10 basal radiating striae; 

 circuli extremely fine. 



D. IX, 10, I, second spine filamentous and often reaching base of 

 last soft ray, third spine 1% to 1% in head, ninth ray 3 to 3%, first ray 

 2% to 2%; A. Ill, 7, i, third spine 2% to 2K, first ray 2% to 2K; caudal 

 1, forked; least depth of caudal peduncle 2^^ to 2%; ventral 1% to IK?) 

 pectoral 2% to 2% in combined head and body to caudal base. 



Back pale brown, with 10 to 12 pale dusky vertical lines, often 

 broken as series of dark blotches. Sides, lower surface, and iris 



