FISHES. THORACICI. 33. Cyprinus. 109 



124. C Jeses. Silvery-bluish, olive on the back : head 

 thick : snout rounded : anal-fin 14-rayed. 



Chub. Br. Zool, t. 73, Shaw. Zool. v. p. 226. 



Body 14 or 16 inches long, thick, with ferruginous-brown fins i 

 head truncate, dusky in front : eyes large, pupil glaucous, iris yel- 

 low : gill-covers blue-green: lateral-line straight, with about 58 

 dull yellow dots : dorfal-fin a little behind the ventral, 11-rayed : 

 pectoral 16; ventral 9; anal 14; tail a little forked, 14-rayed. 



125. C. Leuciscus. Silvery-yellow, olive on the back : 

 dorsal-fin brown, 10-rayed, the rest reddish : anal-fin 

 11-rayed: tail much forked. 



Dace. Donovan t. 77. Shaw Zool. v. t. 130. 



Body from half a foot to a foot long, rather slender : head fmall : 

 iris yellowish : jaws equal : back a little convex : ventral-fins with 

 pointed appendages : lateral-line a. little curved downwards : dorfal- 

 Jin 10-rayed ; pectoral 18 j ventral 9; anal 11 ; tail 22-rayed. 



2. Body slenderer : back straight : eyes red. 

 Grayning. Br. Zool. \\\.p. 367. Shaw Zool. v. p. 234. 



Refembles the Dace, and is about feven and a half inches long • 

 but the back is silvery with a bluish cast, and the ventral-fins 

 redder : dorfal-fin 8-rayed j pectoral 15 * tail 32-rayed. 



126. C. albumus. Silvery, olive on the back : anal-fin 

 20-rayed : tail much forked : lower- jaw longer. 



Bleak. Br. Zool. n. 73. Donov. t. 18. Shaw Zool. v. t. 132. 



Body 5 or 6 inches long, slender, compressed, covered with thin 

 shining fcales : head fmall : eyes large, pupil blue, iris silvery : 

 bach nearly straight, the fin placed farther back than the ventral : 

 lateral-line a little curved downwards : dorfal-fiu greenish, 10-rayed; 

 pectoral whitish with red fpecks, 14 j ventral g; anal grey, 20; tail 

 greenish, 1 8-rayed. 



Obs. The White Bait, which has hitherto been considered as a va- 

 riety of this fish, appears by the judicious and accurate investiga- 

 tion of the Author of British Fishes, to be merely the young fry 

 of the Clupea Alosa, or Shad. Donovan's Brit. Fishes, f.98, 



127. C. PJioxinus, Dusky green, varied on the sides with 

 blue and yellow, belly reddish-silvery, tail with a 

 dusky spot at the base : anal-fin 8-rayed, 



Grayling. Donovan t. 60. Shaw Zool, v. t. 132, 



Body 2 or 3 inches long, slender, varying in colours from blue, 

 green, or red, to whitish : head short, jaw* equal, red at the edges; 

 eyes fmall, iris golden : lateral-line straight, golden : fins pale, with 

 a red fpot at the bafe : dorfal-fin 8-rayed : pectoral 10 j ventral? j 

 anal 8; tail forked, 19-rayed. 



ORDER V. CARTILAGINEI. CAR- 

 TILAGINOUS. 

 34. PETROMYZON. Lamprey. 



128. V.marinm. 01ive,varied with brown and yellow- 

 ish-white : fins dull orange : tail bluish, distinct from 

 the second dorsal-fin. 



Lamprey. Brit. Zool. t. 8. Donov. t. 81, Shaw v. t. 133. 



Body about 3 feet long, with yellowish-white clouds : mouth laro-e, 

 oval, concave, with about 20 circular rows of triangular orange 

 teeth : tongue short, lunate, edged with fmall teeth ; eyes round, 

 fmall, iris yetfow, with 2 rows of fmall punctures near them : 

 dorsal-fin below the middle of the back, shallow and rather rounded- 

 K 



