372 
FISHES. 
der them ; pre-operculi and sub-operculi dentated ; lateral line 
terminating before reaching the tail. 
Genus 162. — TEMNODON. — Cuvier. 
Generic Character. —Head destitute of spines or dentations ; 
each jaw provided with a row of compressed pointed teeth, and 
smaller ones behind ; palate and vomer with fine thick-set teeth ; 
branchial membrane having five rays •, body oblong, scaly. 
Genus 163.—EQUES.— Bloch. 
Generic Character. —Head obtuse; teeth small and crowded ; 
body elongated ; the rays of the dorsal fin prolonged. 
Fquus Americanus .— The Knight Fish. 
Plate LXXV1I. fig. 9. 
Back brown ; sides and abdomen yellow; three oblique black 
bands ; a narrow one passing over the eyes, the second one, 
which is greatly broader, commences on the crown and termi¬ 
nates under the throat; the third on the dorsal fin, and is con¬ 
tinued to the tip of the caudal fin. Twelve inches long. Inha¬ 
bits the American seas. 
Genus 164.—POL YNEMUS.— Linnaeus. 
Generic Character. — Head covered with scales; snout gib¬ 
bous ; teeth crowded ; pre-operculi dentated ; vertical fins scaly; 
live rays under the pectoral fins, which in some species exceed 
the length of the body. 
TRIBE VII.-FISTULARIDiE. 
G enus 1G5.—FISTULA RI A. — Lacepede. 
Generic Character. —Head greatly elongated ; jaws very nar¬ 
row, tubular, and much produced; teeth small; branchial 
membrane with seven rays ; body considerably elongated and 
slender ; fins very small, one dorsal being placed opposite the 
anal fin; between the lobes of the tail there is a filamentary 
process sometimes as long as the body. 
Genus 166. —A UL 0 ST O M U S.— Lacepede. 
Generic Character. —Jaws tubular, greatly elongated and nar- 
