198 PHYSOSTOMI. 



Genus VIII — Albuenus, Meckel. 



Body rather elongated and compressed. Upper jatu protractile. Lower jaw 

 projecting beyond the upper : lips thin, the Imuer labial fold being interrupted 

 opposite the symphysis of the lower jaiu. Barbels absent. Pharyngeal teeth hooked, 

 and in two rows. Gill-rakers slender and closely set. Dorsal fin spineless, with few 

 rays (10-11) and situated above and opposite the interspace between the ventral and 

 anal fins; anal fimvith many rays {19-23). Scales of medium, size. Lateral-line 

 present and passing to the Imuer half of the base of the caudal fin. Abdominal edge, 

 posterior to the ventral fins, compressed into a keel, across luhich the scales do not 

 extend. 



Geographical distribution. — The rather numerous species of this genus are 

 found in Europe and Western Asia ; they are silvery fishes of small size. 



1. Alburnus lucidus, Plate CXXXVII, fig. 1. 



Alburnus, Auson. v, p. 126 ; Eondel. Piso. Fluv. p. 208. Cyprinus, Jonston, 

 lib. iii, t. iii, c. iv, p. 159, t. xxix, f. 13; WiUugh. p. 263, t. QIO, f. 7; Ray, 

 Piscium, p. 123 ; Gronov. Zooph. p. 106, no. 336 ; Artedi, Gen. p. 6, no. 18, Spec. 

 p. 17, no. 7, Synon. p. 10, no. 19. Leuciscus, sp. Klein, Pise. MSS. v, p. 68, no. 16, 

 t. xviii, f. 3. Bleak, Pennant, Brit. Zool. (Ed. 1776) iii, p. 370, pi. Ixxiii (Ed. 

 1812) iii, p. 487, pi. Ixxxiv. Able ordinaire, Duhamel, Peches, ii, pi. xxxii, f. 1. 



Cyprinus alburnus, Linn. Syst. Nat. i, p. 531 ; Bloch, lohthy. Deuts. i, p. 47, t. 

 viii, f . 4 ; Gmel. Linn. p. 1434 ; Shaw, v, t. 132 ; Bonnaten-e, Ency. loh. p. 201, 

 pi. Ixxxiii, f . 343 ; Bl. Schn. p. 437 ; Lacep. v, pp. 600, 589 ; Donovan, Brit. 

 Fishes, pi. xviii ; Turton, Brit. Fauna, p. 109 ; Jenyns, Manual, p. 414 ; Pall. 

 Zoo. Ross.-Ass. iii, p. 321 ; Fries, and Eks. Skan. Fisk. p. 203, t. li ; Gronov. ed. 

 Gray, p. 184; Schlegel, Dieren Neder. p. 117, pi. xii, f. 1. 



Leuciscus alburnus, Fleming, Brit. Anim. p. 188 ; Cuv. and Val. xvii, p. 438 ; 

 Swainson, Fish, ii, p. 285 ; Yarrell, Brit. Fishes (ed. 1) i, p. 368, c. fig. (ed. 2) i, 

 p. 419 (ed. 3) i, p. 438 ; White, Catal. p. 67. 



Aspius alburnus, Agass. Mem. Soc. Sc. Nat. Neuch. i, p. 38 ; Kroyer, Dan. 

 Fisk. iii, p. 485 ; Feddersen, Danske Pers. Fiske, p. 90. 



Abramis alburnus, Ekstr. Miirko, p. 53 ; Nilss. Skan. Faun, iv, p. 337. 



Aspius alburnoides, Selys-Longch. Faun. Belg. p. 214 ; Cuv. and Val. xvii, 

 p. 186. 



Alburnus lucidus. Heck el and Kner, Suss. w. f. p. 131, f. 67 and 68 ; Siebold, 

 Suss. w. f . p. 154 ; Malmgr. in Wiegm. Arch, xxx, p. 315 ; Blanchard, Poiss. 

 France, p. 364, figs. 78, 79; Giinther, Catal. vii, p. 312; CoUett, Norges Fiske, 

 p. 184 ; Moreau, Poissons France, iii, p. 403. 



Alburnus breviceps. Heck, and Kner, Suss. w. f. p. 134, f. 69. 



Alburnus Linnei, Malm. Fauna, p. 568. 



Alburnus mirandella &ndfabrcei, Blanchard, 1. c. pp. 369, 370, figs. 80, 81. 



Bleak, Couch, Fish. Brit. Isles, iv, p. 56, pi. cxcv; Houghton, British Fresh- 

 ■water Fishes, p. 61, c. fig. 



B. iii, D. 10-11 (|.:|), P. 16-17, V. 9-10, A. 19-23 (t|:|o) C. 19, L, 1. 47-57, 

 L. tr. a:|, Vert. ^ %--}''. 



Length of head, 5J to 6, of caudal fin 5^ to 5f , height of body 4-|- to 5f in the 

 total length. Jjlyes — diameter 3J to 3| in the length of the head, 1 diameter 

 fi'om the end of the snout, and I J apart. Body rather elongated and com- 

 pressed. Mouth anterior, directed obliquely upwards, lower jaw with a slight 



