FISHES OF THE PHILIPPINE SEAS AND ADJACENT WATEHS 257 



Scales (mostly fallen) 44 to 48 in lateral line to caudal base; 6 above, 

 11 or 12 below, 14 or 15 predorsal forward about opposite middle of 

 eye; 3 rows on cheek to preopercle ridge. Scales with 1 to 3 basal 

 radiating striae; circuli fine, apically extremely fine and numerous. 



D. IX or X, 14 or 15, third spine IK to 1% in head, first ray 2% to 3; 

 A. V or VI, 12 or 13, second spine 2 to 2%, first ray 3^ to 3K; least 

 depth of caudal peduncle 3K to 4; ventral 2% to 2%; caudal 3 to 3}^ in 

 combined head and body to caudal base, forked, lobes pointed; 

 pectoral 2% to 2%. 



More or less bright silvery white. Median bright lateral vertebral 

 whitish streak. Fins very pale brown. Iris duU yellow or white. 



India, Malayan Peninsula, Malacca Straits, East Indies, Philip- 

 pines, Formosa. 



Four examples. Balayan Bay, Luzon. January 19, 1908. Length, 87 to 97 mm. 



Two examples. Manila Bay. December 9, 1907. Length, 61 to 68 mm. 



U.S.N. M. No. 76616. Formosa. Dr. F. Baker. Length, 128 mm. 



A.N.S.P. Nos. 27536, 27537. Padang, Sumatra. A. C. Harrison and H. L. 

 Hiller. Length, 131 mm. When fresh in arrack more or less pale brownish, 

 head and scales mostly silvery white. Inside giU opening blackish. Iris dull 

 yellowish white. Fins very pale brownish. 



Genus PAREQUULA Steindachner 



Parequula Steindachner, Denkschr. Akad. Wiss. Wien, math.-nat. Kl., vol. 41, 

 pt. 1, p. 98, 1879. (Type, Parequula bicornis Steindachner, monotypic.) 



Chthamalopteryx Ogilby, Proc. Zool. Soc. London, 1887, p. 616. (Type, Gerres 

 melbournensis Castelnau, monotypic.) 



Body oblong, compressed. Mouth protractile. Teeth small, 

 pointed, none on palate. Preopercle edge denticulate. Opercle with- 

 out spine. Dorsal and anal with low, basal, scaly sheaths. Lateral 

 line complete. D. IX, 17, continuous, equally high. A. Ill, 18. 



One species, 



PAREQUULA MELBOURNENSIS (Castelnau) 



Gerres melbournensis Castelnau, Proc. Zool. Acclimat. Soc. Victoria, vol. 1, 



p. 158, 1872 (type locality: Melbourne); vol. 2, p. 37, 1873 (Melbourne); 



Rec. London Internat. Exhib., pt. 7, No. 5, p. 14, 1873 (Victoria). 

 Chthamalopteryx melbournensis Ogilby, Proc. Zool. Soc. London, 1887, p. 616, 



fig. — McCuLLOCH, Biol. Res. Endeavour, vol. 1, pt. 1, p. 63, 1911 (Flinders 



Island, Murray River, Kingston, Investigator Group). 

 Parequula ynelbournensis Waite, Rec. South Austral. Mus., vol. 2, No. 1, p. 106, 



fig. 163, 1921. 

 Parequula bicornis Steindachner, Denkschr. Akad. Wiss. Wien, math.-nat. 



KL, vol. 41, pt. 1, p. 8, 1879 (type locality: Hobson Bay, Murray River, 



Victoria). 



Depth 2; head 3^- Eye subequal with snout, about 3 in head. 

 Maxillary reaches eye, about 3 in head. Interorbital low. 



Scales 34 or 35 in lateral line to caudal base and 2 or 3 more on 

 latter; 4 or 5 above, 11 below; 5 rows on cheek to preopercle ridge. 



