FISHES. 
367 
Genus 128.—CENTROLOP HUS. Lacepede. 
Generic Character .—Head oblong, obtuse, edged above; 
teeth very tine, and placed in a single row; body elongated, 
with small scales; a row of very short, spinous prominences in 
front of the dorsal fin ; anal fin shorter than the dorsal one. 
Genus 129. — OLIGOPODUS.— Bisso. 
Generic Character .—Head marginated above ; body elongated; 
covered with small scales ; with a row of dorsal eminences, sen¬ 
sible to the touch only; dorsal and anal fins united to the caudal 
one, which terminates in a point; ventral fins with one ray only. 
Genus 130.—CORYPHJENA. — Cuvier. 
Generic Character _Head compressed ; forehead vertical 
and marginated above ; teeth minute, and thick set; body elon¬ 
gated, covered with small scales ; dorsal fin commencing from 
the nape. 
Coryphcena Hippuris. —The Common Cokath.ena. 
Plate LXXXII. fig. 9. 
Of a vivid silvery hue, with yellow spots; fins rich yellow ; tail 
forked. Four feet long. Inhabits the Mediterranean. 
Genus 131. — PTERACLIS.— Gronovius. 
Generic Character. —Teeth in one row in the upper, and two 
in the under jaw; body elongated, and greatly compressed ; 
scales large, notched at the margin to receive a small spine in the 
succeeding scale ; dorsal fin greatly elevated, commencing on the 
head and terminating at the caudal fin ; ventrals placed before 
the pectorals ; anal fin of equal size. 
Genus 132.—A M P H A C A N T H U S.— Schneider. 
Generic Character —Jaws convex, with a row of small den- 
tated teeth along their edges ; a curved spine placed in front of 
the dorsal fin, and one at each side of the ventrals ; the inter¬ 
nal margin attached to the abdomen ; scales small. 
Genus 133.— A CANTHURUS. — Lacepede. 
Generic Character —Front vertical *, teeth placed in one 
