32 
nearly straight, specially on the head which has a longitu- | 
dinal keel. Height 4—4'/,, head 4?7/,—5, eye 4—4'/,, '/,—'/, © 
longer than snout, which only slightly projects beyond the 
under jaw, situated in the anterior half of the head. Maxil- 
lary narrow, obtusely pointed behind, extending to the man- 
dibular joint. Origin of dorsal midway between head and root 
of caudal, or a little nearer to lastnamed, behind origin of 
anal, which is as long as its distance from the head. Ventrals 
midway between anal and suboperculum, or nearer to the 
head. Pectorals about as long as head without snout, reaching 
beyond the root of the ventrals. Caudal deeply forked. Teeth 
on vomer, palatines, pterygoids and tongue. In the maxillary 
are series of distant caninoid teeth, curved inwards, irregularly 
alternating with similar but flexible teeth. In the lower jaw 
6—14 still larger caninoid teeth, between which a series of 
small nearly invisible teeth in the gum. About 10 stout 
curved flattened spinous gillrakers, a little longer than the 
branchial filaments, about as long as the pupil. Scales thin, 
deciduous, with irregular and irregularly curved transversal 
lines. Long axillary scales at pectorals and ventrals. About 
17—18 abdominal scutes behind pectorals, 10 of which post- 
ventral. Silvery. Length more than 280 mm. 
Habitat: Borneo (Banjermassin, Pontianak, Sinkawang, 
middle-course of Kapuasriver); Sumatra (Banjuasin, Palembang, 
Djambi!). — Siam. 
Brackish and freshwater. 
4. Engraulis Cuvier. 
(Cuvier, Régne animal, Ed. I, 1817, p. 174). 
Oblong or elongate, compressed. Scales moderate, more or 
less deciduous. Abdominal scutes always between pectorals 
and anus, mostly also before pectorals. Maxillary more or less 
produced, sometimes even surpassing ventrals |Fig. 18]. Mouth 
oblique. Origin of dorsal before origin of anal, which is rather 
long (27—50 rays), and goes 2?/,—4 times in length. Upper 
pectoral ray not produced. Teeth on jaws, vomer, palatines, 
pterygoids and tongue. No caninoid teeth. 
Sy No psic oft hes pecies. 
I. Ventral keel before pectorals without scutes. Anal 
behind) dorsal \Gilltakers=20—22)-u encuentran mone £. baelama p. 33. 
