Lebiasina bimaculata (Valenciennes). 
Head 3: to 3s; depth 3; to 32; D. ii, 8, branched rays 
once 6: A. i11,: 9; 1 or 10, 13 scales 25 or 235 to candal 
base and 6 more on latter; 8 scales transversely; 15 or 14 
predorsal scales; snout 3: to 4 2/5 in head from snout tip; 
eye 4 1/5 to 6 1/5; maxillaryv 5 to 3 1/8; interorbital 
to 3 1/8. 
Body robust, compressed, deepest at ventral origin. 
Head width 14 to 1 its length. Snout broadly convex, lengt 
3/5 to 2 its width. Eye small, center at 
2/5 in head length. Mouth wide, gape very short and lower 
jaw well protuded. Maxillary to pupil. Row of small even tri- 
cupsid teeth in each jaw, 4 extending on each maxillary basally. 
Nostrils large, together, close before eye. Interorbital] 
broadly convex. Gill-rakers 12 +16, lanceolate, about 2/5 
a 
of filaments which equal eye. Scale 
5 to 10 apical, 2 or 3 above and below by median, 
ing with age. Dorsal origin midway between caudal base and 
upper edge of gill-opening, little more advanced in young. 
& 
Anal entirely behind depressed dorsal. Caudal little forked. 
Pectoral half way. to anal, 2/3 to anal in young. Ventral 
inserted very slightly before dorsal origin. 
uniform dull brown. small dusky round. spot, not much 
than pupil at caudal base medially. Length 82 to 122 
Four from Peru, of which 2 with query to locality. 
