riSHES. 
3(39 
Genus 140.—HENIOCHUS.— Cuvier. 
Generic Character. —Teeth small; body compressed; first 
dorsal spines much elongated and subulate, with shorter spines 
behind, followed by the usual soft rays. 
Genus 141.—EPHJPPUS. — Cuvier. 
Generic Character. —Teeth small; body considerably com¬ 
pressed ; dorsal fin having a notch between the spinous and soft 
portion. 
Genus 142.— CHETODIPTERUS. —Lacepede. 
Generic Character. — Snout projecting; teeth very small and 
flexible; body compressed, as deep as it is long ; separation of 
the dorsal fin so deep as to give it the appearance of two. 
Genus 143.—PI O L O CANT HUS. — Lacepede. 
Generic Character. —Teeth minute; pre-operculum sometimes 
dentated, at others smooth, with a strong spine near its base ; 
body compressed, ovate ; vertical fins slightly elevated at their 
origin ; soft rays of the dorsal and anal fins elongated, and 
falciform. 
Genus 144.—A C ANTH O P OD US. — Lacepede. 
Generic Character. —Mouth small; teeth short and thick 
set ; body greatly compressed, as deep as long ; dorsal fin cov¬ 
ered with small scales; ventral fins represented by two short 
spines. 
Genus 145.—OSPPIRONEMUS. — Commerson. 
Generic Character. —Head and branchial membranes provided 
with scales; mouth small, with very short crowded teeth ; pre- 
operculi and suborbitars dentated on their margin ; one ray of 
each ventral fin forming an articulated bristle as long as the 
body; at each anal fin there is a spine. 
Genus 146. — TRICHOPODUS. — Lacepede. 
Generic Character. —Head covered with scales ; teeth short 
and crowded; pre-operculi and suborbitars with dentated mar¬ 
gins; one ray of the ventrals lengthened and filamentary; scaly 
at the base; without spines at the anal fin. 
