354 
FISHES. 
one ; mouth obliquely retrousse; teeth numerous and thick set; 
pre-operculum dentated, and its base terminated by a dentated 
spine •, body covered with rough scales, investing the animal to 
the point of the snout. 
Genus 57.—POLYPRION.— Cuvier. 
Generic Character .— Head with many dentations; under the 
operculum is a dentated ridge; teeth crowded, minute in both 
jaws, also on the vomer palate and base of the tongue; body and 
head protected by hard ciliated scales. 
Genus 58.—HOLOCENTRUS.— Artedi. 
Generic Character. — Snout short, somewhat extensible; teeth 
small; pre-operculum with a strong scale at its base, and the 
operculum with one or two at its upper margin ; scales thick, 
hard, and dentated; soft part of the dorsal fin elevated above 
the spinous portion; occiput osseous and striated; without 
scales. 
Holocentrus sogo. — The Sogo Holocentrus. 
Plate LXXXI. fig 5. 
Body silvery-red, with longitudinal yellow streaks on each 
side ; fins elongated, bright red; tail greatly forked. Twelve 
inches long. Inhabits the North and South seas. 
Genus 59. — ACE RINA.— Cuvier. 
Generic Character. — Head without scales, furrowed; mouth 
slightly cleft, with small numerous teeth; margin of the pre¬ 
operculum with eight or ten small hooked spines; operculum with 
an acute spine; scales serrated at their margins. 
Genus 60.—STELLIFER US.— Cuvier. 
Generic Character. — Head scaleless and cavernous ; subor- 
bitaries, pre-operculi, and operculi provided with spines ; snout 
tumid ; teeth small, thick set; branchial membrane with four 
rays. 
Genus 61 — SCOROPyENA.— Schneider. 
Generic Character .—Head about the orbits rough with spines, 
and also on the occiput and cheeks ; pre-operculum with three 
