i07 



Baram); Java (Batavia, Surabaya); Madura; North Celebes; 

 Waigeu. — From Madagascar and Mauritius, British India, 

 Burma, Pinang, Malacca to Australia. 



4. Polynemus hexanemus C.V. 



Polynemus hexanemus Cuvier & Valenciennes, Hist. Nat. Poissons III. 1829, p. 389. 

 Polynemus hexanemus Bleaker, Verh. Bat. Gen. XXII. Bijdr. Percoid. 1849, p. 59. 

 Polynemus hexanemus Cantor, Journ. Asiat. Soc. Bengal XVIII. 1850, p. 1015. 

 Polynemus hexanemus Gtinther, Cat. Brit. Mus. II. i860, p. 325. 

 Polvnemus hexanemus Kner, Novara Exp. Fische 1865 — 1867, p. 136. 



5 



D'.VIII;D-.I. 12; A. III. I4;P. 14+6; V. I. 5; L.l. 47— 48; L.tr. i . 



10 



Height 3.2 — 4.2 in length with caudal. Head 3.8 — 4.9 in 

 length with caudal. Eyes nearly 3.8, twice in postorbital part 

 of head and equal to interorbital space. Snout much shorter 

 than eye, prominent. Mouth large, reaching far behind eye. 

 Maxillaries scaly, less than twice in head. Head covered with 

 scales to end of snout. Anterior and posterior nostrils close 

 together, close to frontborder of eye. Praeoperculum rather 

 coarsely serrated, with a broader spine just before the angle, 

 which is rounded and produced. A short spine in the beginning 

 of the lateral line. Upper lip scarcely detectable, lower lip 

 well developed, not continuous at symphysis. A narrow villi- 

 form band of teeth in both jaws. A broader similar band on 

 the palatines, more or less constricted in its anterior part 

 and a narrow band of small teeth on head of vomer. Origin 

 of first dorsal between that of pectorals and ventrals. First 

 dorsal spine of first dorsal minute, second one the strongest, 

 but shorter than the third and equal to postorbital part of 

 head. Origin of second dorsal well in advance of that of anal. 

 Spine of second dorsal -., of second spine of first dorsal, 

 longer than third anal spine. First and second anal spine very 

 small. Dorsals, anal and caudal scaly. Caudal deeply forked, 

 the lobes much pointed. Pectorals curved, all the rays simple, 

 longer than head. Pectoral filaments long, the fourth the longest 

 and reaching almost or quite to base of caudal. Ventrals 

 slightly longer than postorbital part of head. Distance between 

 origin of ventrals and anal equal to or shorter than head. 

 Scales finely striated and serrated along their hindborder. Colour 

 of alcohol specimen golden or silvery, brownish above, fins 

 yellowish. Length more than i 50 mm. [A specimen of Bleeker's 

 collection in the Amsterdam Museum seen by us]. 



