388 BULLETIN 100, UNITED STATES NATIONAL MUSEUM 



A.N.S.P. Nos. 47648, 47649. Philippines. Commercial Museum of Philadelphia. 

 Length, 168 to 188 mm. 



JOHlSflUS POLYKLADISKOS (Bleeker) 



Corvina polyJdadiskos Bleeker, Nat. Tijds. Nederland. Indie, vol. 3, p. 420, 

 1852 (type locality: Banjermasin, Borneo). 



Corvina polycladiscus Gunther, Cat. Fish. Brit. Mus., vol. 2, pi. 301, 1860 (com- 

 piled) . 



Pseudosciaena polycladiscus Bleeker, Verh. kon. Akad. Wet. Amsterdam, vol. 14, 

 No. 4, p. 29, 1874 (Borneo); Atlas Ichth. Ind. N^erland., vol. 9, pi. (1) 384, 

 fig. 1, 1877. 



Depth 3; head 3K, width 2}^. Snout S% in head; eye 9, 2% in snout, 

 2}^ in interorbital ; maxillary reaches % in eye, expansion slightly 

 greater than eye, length 2% in head; jaws even in front, chin with 4 

 slit like pores; teeth in villiform bands in jaws, upper outer row 

 shghtly enlarged, likewise inner lower row, though less so; inter- 

 orbital 4, broadly convex; preopercle finely and strongly serrate. Gill 

 rakers 6 + 13, lanceolate, strong, IK in giU filaments, which 1)^ in eye. 



Scales 50 in lateral line to caudal base and 25? more on caudal; 

 10 above, 9 below, 21 predorsal to occiput and 30 more forward nearly 

 to snout end; 22 scales on cheek to preopercle ridge angle and 8 more 

 across flange to preopercle angle; soft dorsal and anal with narrow 

 basal scaly sheaths; caudal finely covered with small scales. Scales 

 with 8 basal radiating striae; 118 apical denticles, with about 22 

 transverse series of basal elements; circuli very fine. 



D. X, I, 30, I, third spine 2% in head, first ray 2%; A. II, 6, i, en- 

 larged second spine 1% or equals postocular, first ray 1^ in head; 

 caudal 1%, cuneate; least depth of caudal peduncle 4%; pectoral 1%] 

 ventral Iji. 



Brown, paler to whitish below. Membranes of dorsals deeper 

 brownish terminally. Iris whitish. 



Borneo. Greatly like Johnius soldado, but differing in the larger 

 and more slender caudal peduncle and greatly smaller eye. 



U.S.N.M. No. 35720. Sandong River, North Borneo. W. T. Hornaday. Length, 

 505 mm. This example skinned out. 



JOHNIUS SINA (Cuvier) 



Corvina sina Cuvier, Hist. Nat. Poiss., vol. 5, p. 122, 1830 (type locality: 

 Pondicherry; Malabar; Japan). — Valenciennes, Voy. Ind. Orient. Belanger, 

 ZooL, p. 359, 1834 (Malabar; Pondicherry). — Richardson, Ichth. China 

 Japan, p. 225, 1846 (China). — Bleeker, Verh. Batav. Genootsch. (Japan), 

 vol. 25, p. 12, 1853 (Bengal); vol. 25, p. 36, 1853 (Japan); vol. 26, p. 82, 1857 

 (Nagasaki); Act. Soc. Sci. Ind. Neerland., No. 3, vol. 3, p. 5, 1857-1858 

 (Japan); Versl. Meded. Akad. Wet. Amsterdam, ser. 2, vol. 3, p. 238, 1869 

 (Jedo). 



Sciaena sina Gunther, Cat. Fish. Brit. Mus., vol. 2, p. 292, 1860 (compiled). — 

 Day, Fishes of Malabar, p. 52, 1865; Fishes of India, pt. 2, p. 186, pi. 4, 

 fig. 2, 1876 (Bombay; Sind). — Martens, Preuss. Exped. Ost-Asien, p. 390, 

 1876 (Yeddo; Yokohama; Manila). — GtJNTHER, Rep. Voy. Challenger, vol. 1, 

 p. 66, 1880 (Inland Sea of Japan). — Karoli, Term^sz. Fiizetek, Budapest, 



