114 FISHES. CARTILAGINE1. 38-40. 



tail: ventral and anal fmall : tail 2-lobed, the upper lobe rather 

 pointed, the lower fomewhat rounded. 



C. Without the anal-fin. 



150. Sq. Acanthias. Grey-brown, beneath white : dorsal* 

 fins with each a strong triangular spine before it. 



Picked Dog-fish, Donovan's Fishes, tab. 82. Block t. 85. 



Body 3 or 4 feet long, slender, fometimes with a few white fpots t 

 head flat, slender, obtufe in front; eyes lateral, oblong, bluish-white 

 with a temporal orifice behind each, near which are 4 rows of 

 moist pores : nostrils double : teeth numerous, fmall, sharp, in a or 

 3 rows : fins dusky : tail forked, pointed, the upper-lobe twice as 

 long as the lower. 



151. Sq. Squatina. Head flat, rounded in front: mouth 

 terminal : nostrils bearded : down the back a prickly 

 tubercled line. 



Angel Shark. Br. Zool. t. 12. Donov. t. 19. Shaw v. f. 155. 



Body growing to a large size, rough and pale grey above, white be- 

 neath : head nearly circular, broader than the body: mouth broad, 

 with protrusile jaws : teeth sharp, in numerous rows : tongue broad, 

 pointed, fmooth, thin: nostrils placed at the edges of the jaws, co- 

 vered with a membrane, and each with 2 beards before them : eyes 

 fmall, glaucous, iris yellow, with afemilunar temporal orifice be- 

 hind each : pe ctoral-fins very large, notched in front: v entral near 

 them and rather lefs : dorsal fmall , both placed near the tail : tail 

 slightly lunate, oblique. 



38. CHIM^ERA. 



152. Ch. monstrosa. Silvery, varied with brown above ; 

 snout with porous folds. 



Sea Monster. Shaw Zool. v. t. 157. Berkenh. syn. p. 61. 



Body 3 or 4 feet long, compressed, tapering to the tail : head large 

 conical, with a fringed tuft-like procefs at top in the male : month 

 with a pair of broad plates in each jaw, notched along the edge, with 

 tranfverfe undulations and pores reaching round the eyes and con- 

 tinued upwards along the side of the head, and branching off on 

 the nape behind the eyes : eyes large ; iris white, pupil glaucous, 

 lateral-line whitish with brown edges : _fins yellowish-brown with 

 darker shades : first dorfal-fin triangular, with a long fpine before 

 it, ferrate on the inside ; fecond shallow ; third clofe to this 

 and running down the tail ; pectoral and ventral-fins large, nearly 

 triangular; the latter with a cylindrical rough process at the baf 

 of each in the male : tail continued into a slender filament, longer 

 than the body. 



39. ACIPENSER. Sturgeon. 



153. A. Sturio. Grey with dusky variations, beneath 

 white : body rough, with 5 rows of spinous tubercles : 

 lips cloven. 



Common Sturgeon. Br. Zool.t. 19. Dontv. t. 65. Shaw t. 1,59. 



Body growing to 18 or 19 feet long, slender, j-sided, rough witl.i 

 fmall tubercles ; fnout lengthened, rather obtufe, with the beards 

 nearer the tip than the mouth : head clothed with long plates : 

 mouth bordered with thick cartilaginous lips : gill-covers a single 

 radiate bone : larger tubercles bony, pointed, radiate, in 5 rows, one 

 down the back, one down each of the sides, and one each side the 

 edge of the belly : belly flat : dorsal-fin single, fmall, near the tail : 

 pecloral-fins oval : ventral and anal, just above and below the dorlal t 

 (ail forked, the upper-lob longer and pointed. 



