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FISHES. 
Genus 55. —LEBIAS. — Cuvier. 
Generic Character. —Jaws depressed, with a row of dentated 
teeth ; branchial membrane with five rays. 
Genus 56. — CYPRJNODON.— Lecepede. 
Generic Character. —Both jaws provided with numerous teeth, 
the anterior row dentated ; branchial membrane with four rays. 
TRIBE V.-SILURIDiE. 
Genus 57. — SILURUS.— Artedi. 
Generic Character. — Head depressed ; mouth terminal; teeth 
in both jaws thickly set; jaws provided with cirri; one very short 
dorsal fin, with no visible spine; anal fin long; body covered 
by a mucous secretion. 
Genus 58.—SCHILBE.— Cuvier. 
Generic Character. — Head small, depressed; eyes placed low 
in the head ; with eight cirri ; body compressed; dorsal fin with 
a strong dentated spine. 
Genus 59. — SYNODONTIS.— Cuvier. 
Generic Character. — Snout narrow; cirri pinnated ; lower jaw 
with depressed teeth, hooked laterally, and placed in a flexible 
pedicle ; frontal bone forming a sort of helmet prolonged to the 
first dorsal fin ; dorsal and pectoral fins with long spines. 
Genus 60.—PIMELODUS.— Cuvier. 
Generic Character. —Head depressed ; teeth in both jaws 
thick set ; upper jaw with a single intermaxillary band; two 
dorsal fins, the second one adipose. 
Pimelodus Bayarius. —Bagrus’s Pimelodus. 
Plate LXXVIII. fig- 6- 
Tail fin divided into two very long pointed lobes; body 
opaque, scabrous, variegated with black irregular marks. Six 
feet long. Inhabits the Ganges. 
Genus 61.—BAGRUS.— Cuvier. 
Generic Character .—Cranium smooth; nuchal plate small; 
