20S 



Nom. indig. : Kuru (Malay Batavia). 



Habitat: Sumatra (Priaman); Borneo (Singkawang) ; Java 

 (Batavia, Japara). — Pinang. 



5. Polynemus pfeifferi Blkr. 



} Polynanus diagrammicus Bleeker, Nat. & Geneesk. Arch. Ned. Iiidiii II. (3) 

 1845, p. 527. — Verb, Bat. Gen. XXII. 1849, Bijdr. Percoiden, p. 60. 



Polynemus pfeifferi Bleeker, Nat. Tijdschr. Ned. Indie, IV. 1853, p. 249. 



Polydactylus pfeifferi Fowler, Proc. Acad. Nat. Sci. Philad. 1900, p. 501. 



Polydactylus pfeifferi Fowler, Journ. Ac. N. Sc. Philad. (2) XII, 1904, p. 530, 

 Plate XVI lower figure. 



D'. VIII; D-. I. II — 12; A. III. II; P. 12— I4 + 6; V. i. 5 ; 



L.l. 48— 50; L.tr. j_. 



' '° 

 Height 3.2, 4.4 in length with caudal, head 3.3, 4.5 — 5 in 



length with caudal. Eyes 3 — 3.3, a little more than flat inter- 

 orbital space and less than twice in postorbital part of head. 

 Snout short, not much longer than half of eye. Mouth large, 

 reaching behind eye. Maxillaries 1.75- — 2 in length of head. 

 Head covered with scales to end of snout. Anterior and poste- 

 rior nostrils close together, close to frontborder of eye. Prae- 

 operculum coarsely serrated, some of the lower denticulations 

 stronger than the rest. Angle of praeoperculum produced and 

 irregularly rounded. Upper lip absent, lower lip well developed 

 but not continuous at the symphysis. Narrow bands of small 

 teeth on jaws, palatines and in an elongate patch on vomer. 

 First dorsal spine minute, second one stronger but shorter 

 than third and equal to postorbital part of head. Spine of 

 second dorsal about equal to third anal spine and to length 

 of eye and snout together. Origin of second dorsal somewhat 

 in advance of that of anal. Free border of dorsals and anal 

 almost straight. Caudal deeply forked, the lobes pointed. Pec- 

 torals as long as head without snout, all their rays simple. Longest 

 pectoral filaments reaching well on anal. Ventrals about equal 

 to postorbital part of head. Distance between origin of ven- 

 trals and that of anal much less than length of head. Scales 

 finely striated and crenulated at their hindborder. Colour of 

 formol specimens brownish, pectorals and ventrals blackish, 

 other fins dusky. Length 90 mm. 



Habitat: Sumatra (Benkulen, Trussan, Padang, Priaman); 

 Nias!. — Sandwich Islands. 



