FISHES. 
371 
body ovate, compressed ; scales minute ; first dorsal and anal 
spines bent forward; ventral fins represented by two spines ; 
lateral line double. 
Genus 155. — PIM E L E P T E R U S.— Lacepede. 
Generic Character. —Teeth edged, obtuse, crowded, and 
equal; branchial membrane with four rays, scaly; body oval and 
compressed; soft portion of the vertical fins thickly covered 
with scales. 
Genus 156.—KYPHOSUS.— Lacepede. 
Generic Character. —Operculi covered with scales ; back pro¬ 
duced, with a prominence on the neck in front of the dorsal fin, 
and another between the eyes ; pectoral fins elongated and point¬ 
ed ; tail forked. 
Genus 157.—PLECTORHYNCHUS_ Lacepede. 
Generic Character .—Jaws with a single row of extremely minute 
teeth ; pre-operculi dentated; body ovate, compressed ; ventral 
fins broad, with numerous rays. 
Genus 158. — GLYP HIS 01) ON.— Lacepede. 
Generic Character. —Head with scales; teeth edged, placed 
in a single row, frequently notched ; body and tail greatly com¬ 
pressed ; lateral line opposite the dorsal fin. 
Genus 159.—P OMACENTRUS.— Linnaeus. 
Generic Character. —Head covered with scales ; teeth edged, 
and placed in a single row, frequently notched; pre-operculi 
dentated; lateral line terminating opposite the dorsal fin. 
Genus 160. —A M P HIP RIO N.— Cuvier. 
Generic Character .—Teeth placed in a single row and edged; 
suborbitars and four pieces of the operculi dentated ; body ovate, 
compressed. 
Genus 161.—PREMNAS.— Cuvier. 
Generic Character _Plead greatly obtuse ; teetb set in a sin¬ 
gle row, very fine and short; suborbitars with strong spines un- 
