FISHES. 
339 
der acute teeth ; body oblong-ovate, compressed; an interval be¬ 
tween the dorsal and anal fins, and the tail. 
Genus 13.—RHOMBUS. — Cuvier. 
Generic Character. —Jaws and pharynx provided with nume¬ 
rous slender acute teeth ; eyes for the most part sinistral; dor¬ 
sal fin taking its rise at the margin of the upper jaw, which, 
together with the anal fin, terminates near the tail. 
Genus 14.—SOLE A. — Cuvier. 
Generic Character. —Jaws destitute of teeth on the upper 
side, mouth twisted to the side opposite the eyes ; body oblong; 
dorsal fin emanating from the side of the mouth, and terminating 
at the tail, where the anal fin also ends ; lateral line straight. 
Genus 15. — MONOCHIRUS. — Cuvier. 
Generic Character. —Having a very small pectoral fin on the 
side next the eyes; that on the opposite side merely rudimentary. 
Genus 10.—ACHIRUS.— Lacepede. 
Generic Character. —Head, body, and tail, greatly compressed; 
eyes both on the same side of the head ; destitute of pectoral 
fins. 
TRIBE III.-DISCOBOLI. 
Genus 17— L E P A D O G A S T E R.— Guuan. 
Generic Character. — Head broad and depressed; snout pro¬ 
duced and extensible ; body smooth, destitute of scales ; having 
double pectoral fins, united in the form of a disc under the 
throat by a transverse membrane. 
Genus 18.—GOBIES OX.— Lacepede. 
Generic Character. —Head thick, broader than the body; two 
unconnected pectoral fins, one very short; dorsal fin placed over 
the extremity of the tail. 
Gobiesox bimaculatus. — The Two-Spot-Sucker. 
Plate LXXIX. fig-. 5. 
Body taper, rose-coloured, with small white spots, and a 
2 e 2 
