FISHES. 
355 
or four spines, and the operculum having two, prolonged in 
ridges. 
Gen us 62.—S Y N A N C EI A. — Schneider. 
Generic Character. — Head with unequal tubercles, protuber¬ 
ant in various degrees ; eyes directed upwards ; mouth retrousse ; 
destitute of a swimming bladder. 
Genus G3.—PTEROIS.— Cuvier. 
Generic Character. —Head covered with unequal fleshy appen¬ 
dages, and tuberculated ; dorsal and pectoral fins with long rays, 
surpassing the membrane. 
Pterois antennata. — The Antennated Pterois. 
Plate LXXXI. fig-. 8. 
Head provided with two great tentacula over each eye ; body 
with brown and yellow transverse stripes, and a brown band over 
the eyes. Twelve inches long. Inhabits the rivers in Am- 
boyna. 
Genus 64.—TiENIANOTUS.— Lacepede. 
Generic Character. — Operculi with one or more spines, but 
not dentated ; body much compressed ; dorsal fins long ; spinous 
and soft parts not distinguishable; but forming a vertical band 
along the back. 
Genus 65. — A THE RINA.— Linnaeus. 
Generic Character. —Intermaxillaries extensible, with minute 
teeth ; lower jaw and tongue smooth ; branchial membrane with 
five rays ; cheeks and operculi having scales •, two small dorsal 
fins ; sides with a silvery band. 
Genus 66_SPHYRiENA.— Lacepede. 
Generic Character. —Snout acute ; jaws greatly cleft; under 
jaw projecting beyond the upper one, with a row of conical 
teeth, of which the two anterior ones are largest; intermaxil¬ 
laries having two strong teeth beyond, with a continuous row of 
smaller ones ; each palate bone provided with a row ol strong 
teeth ; cheeks and operculi covered with scales. 
