FISHES. 
319 
TRIBE III.-CHIMiERiE. 
Genus 21. — CHIMiERA.— Cuvier. 
Generic Character .—Snout subconic, with one branchial open¬ 
ing on each side of the neck; body lengthened and compressed; 
second dorsal fin commencing immediately behind the first; tail 
terminated by a long filament. 
Chimcera monstrosa .— The Northern Chuvlera. 
Plate LXXV. fig. 5. 
Body compressed, silvery-white, marbled with deep chestnut- 
brown ; head large, with two incisory teeth in each jaw. Four 
feet long. Inhabits the North seas. 
Genus 22 .— GALLORYNCH US. — Gronovius. 
Generic Character. —Snout ending in a fleshy hoe-shaped elon¬ 
gation ; second dorsal fin commencing over the ventrals, and 
terminating opposite the anterior edge of the fin under the tail. 
Callorynchus Australis.— The Southern Callorynchus. 
Plate LXXV. fig. 6. 
Silvery; the back pale reddish fawn-colour, and the fins of 
the same colour. Four feet long. Inhabits the South seas. 
ORDER III.—STURIONES. 
Branchiae free, their openings greatly cleft, with an operculum, 
but the membrane devoid of rays ; branchiae free. 
Genus 1.—ACIPENSER.— Linnceus. 
Generic Character. —Body elongated, which, with the head, 
is provided with rows of radiated bony prominences; mouth 
placed under the snout, cylindrical, and divested of teeth *, four 
cirri below the snout. 
Acipenser Sturio. — The Sturgeon. 
Plate LXXV. fig. 7. 
Upper parts ash-coloured, variegated with blackish brown ; 
