E oda 
and its Tributaries. ` 481 
row of minute teeth ; lower jaw the longer, project- 
ing. Operculum and preoperculum scaly, the latter 
serrated on the posterior angle and lower edge. Iri- 
des golden yellow. * 
Body flattened on its sides; back very little thick- 
er than the abdomen, gibbous before the dorsal fins, 
especially in the older specimens. Lateral line fol- 
lowing the curvature of the back. 
Dorsal fin prominent ; the first spinous ray short, 
the two last equal, but not equal to the — of the 
soft rays. 
Pectoral fins delicate, pellucid, extending beyond 
the abdominal, to the commencement of the dorsal 
and anal. 
Ventral fins mass bet the commencement 
of the anal; their lastsoft ray connected at its p 
with the diloedótt bya reflected membrane. 
Anal fin — extending backwards beyond 
the dorsal. 
Caudal fin large, bilobed or lunated. 
Color. Forehead and back maculated and varie- 
gated with dusky spots on a ground of sea-green ; 
similar spots extend downwards upon the upper half 
of the body, in irregular bands, on a groünd color of 
light green or yellow ; sides of the head and body 
silvery and iridescent; below of a delicate white. 
Dorsal, anal, and caudal fins barred with series of 
irregular dusky spots, more distinct in old than in 
young specimens. Pectoral and ventral fins ferru- 
ginous or yellowish. 
- Length 6 to 12 inches. 
D.6—15; P. 12; V. 1—6; A:6 —19; C. 171. 
+ 
