20O 



of small teeth, extending to outside of jaws. Similar teeth 

 in a triangular patch on head of vomer and in broad bands 

 on the palatines and pterygoids. Origin of first dorsal between 

 those of pectorals and ventrals. First dorsal spine very small, the 

 second one somewhat less than postorbital part of head. Origin 

 of second dorsal opposite to that of anal. Second dorsal, anal 

 and caudal almost entirely scaly, first dorsal only in its 

 basal part. Second dorsal and anal deeply concave. Distance 

 between origin of ventrals and that of anal much less than 

 length of head. Caudal deeply forked. Pectorals falciform, equal 

 to postorbital part of head or somewhat longer. Upper pectoral 

 filament about as long as the pectoral fin or somewhat shorter, 

 reaching on ventrals, the following ones decreasing gradually 

 in length, the fourth being somewhat more than half the length 

 of the upper one. Ventrals as long as distance from eye to 

 hindborder of praeoperculum. Scales finely striped and with 

 fine denticulations at their hindborder. Colour of alcohol spe- 

 cimens silvery, light brown above. Fins yellowish white, 

 pectoral sometimes dusky, with a smaller or broader blackish 

 hindborder. Length 2000 mm. 



Nom. indig. : Selangin and Serangin (Bagan api api) ; Kuru 

 (Malay Batavia); Lalaut (Bantam); Baling; Kesumbang (Java- 

 nese); Latjeh (Madura); Tikus tikus (Ambon) ; Umpua (Batjan) ; 

 Kurau putih (Bintang). 



Habitat: Singapore; Sumatra (Deli!, Palembang, Bagan 

 api api!, Tiku) ; Riouw; Banka; Bintang; Borneo (Pamangkat, 

 Sinkawang, Sumpit, Sungi-duri, Stagen !, Balikpapan !, Sanda- 

 kan); Java (Batavia!, Cheribon !, Antjol!); Madura; Celebes 

 (Makassar!, Lagusi, Menado); Batjan. From British India, 

 Andamans, Pinang, Siam, Malacca, China, Formosa, Philippines 

 to North and West Australia. 



In sea and brackish water. 



2. Polynemus Linne l ). 



(LiNNfe, Systema Naturae Ed. X. 1758, p. 317). 

 Polydactylus auctores. 



More or less elongate, somewhat compressed. Snout promi- 

 nent. Eyes covered by a gelatinous membrane. Maxillaries gene- 



i) See D. STARR JORDAN, The Genera of Fishes. Part I. Leland Stanford 

 Junior Univers. Publications Univ. Series 1917, p. 15. 



