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FISHES. 
Genus 20.—E N G R A ULIS. — Cuvier. 
Generic Character. — Upper jaw longer than the lower one ; 
the nasal and ethmoid bones forming a projection, beneath which 
are attached the intermaxillary bones ; maxillaries very long and 
straight; mouth wide; both jaws provided with teeth; the 
branchial orifices large. 
Engraulis encrasicolus. —The Anchovy. 
Plate LXXV1I. fig. 4. 
Back dusky brown ; sides and belly of a shining silvery hue ; 
fins short, transparent, the dorsal one opposite the ventral fins ; 
tail forked. Three inches long. Inhabits the European seas. 
Genus 21. — THRISSA. — Cuvier. 
Generic Character .—Maxillary bones lengthened into separate 
points, projecting beyond the lower jaw, and provided with teeth ; 
anal fin long, and united to the tail fin. 
Genus 22.—P RI ST IG A S TE R. — Cuvier. 
Generic Character. —Jaws with the intermaxillaries narrowed 
and arched before, and longitudinally separated into a number 
of pieces; body greatly compressed; venter produced and 
strongly dentated. 
Genus 24.—NOTOPTERUS.— Lacepcde. 
Generic Character —The lower jaw with two ridges ; both 
jaws and palate furnished with slender teeth, and tongue with 
hooked ones; operculi and cheeks covered with scales; venter 
with a dentated carina ; ventral fins very small, anal fin very 
long, uniting with the tail fin ; opposite the middle of the anal 
fin is a soft dorsal one. 
Genus 25. —ELOPS_ Linnceus. 
Generic Character —Edge of the jaws and palate provided 
with thick set small teeth; branchial membrane having at least 
thirty rays; caudal fin with a flattened spine both above and 
below. 
Genus 26. — CHIROCENTRUS.— Cuvier. 
Generic Character .—Jaws with a single row of strong con- 
