ew tot 
Pachymetopon grande Gunther, Lara. > iss : 
Head 3 to 34; depth 2 1/3 to 2 2/5; Die 28, At As 
4 - 
III, 10, 1; scales 64 to 66 in lateral line to caudal base; 
10 or 11 scales above lateral line to spinous dorsal origin, 
9 or 10 to first branched dorsal ray base, 2O or 30 below to 
spinous anal origin; 30 to 38 predorsal scales to naked occip- 
ital medially; snout 2s to 2¢ in head; eye 4; maxillary 3; 
interorbital 23. 
Body strongly compressed, deeply ovoid; least depth of 
caudal peduncle 1 to 11.5 its length or 2 1/3 to 2% in head, 
Head width 1 2/3 to 12 in its length. Snout convex, length 
7/8 to 1 in its width. Eye rounded, hind pupil edge midway 
in head length. Mouth small, broad, gape short, jaws even. 
Maxillary nearly to hind nostril; expansion 2 in eye. Teeth 
cuneate or broadly angular, compressed, in wide bands in front 
of mouth; outer row enlarged, pointed, much more slender, greadue 
ally smaller backward, entire; no other teeth. Front nostril 
about last 2/5 in snout; hind nostril large oblique slit about 
midway between front one and eye. Interorbital convex. Preo- 
percle edge entire; least preorbital width 1 2/5 in eye; supra- 
scapular edge entire; surface striate. 
Rakers 813, lanceolate, 1 7/8 in filaments, which 1 1/8 
in eye. Scales finely ctenoid, inoblique rows above lateral 
line anteriorly, in horizontal rows below; very small and crowded 
