81, ALBTTKNUS. 313 



Malmgren, in Wiegm. Arch. xxx. p. 815; Jeittcles, Fischc d, March, 



ii. 1804, p. 6 ; Blanciiard, Poiss. France, p. 364. 

 Alburnus breviceps, Heck . ^- Kner, Siissicanserf. p. 134. fig. 09. 

 fabraji, Blauchard, Poiss. France, p. 370. 



D. 10-11. A. 19-23. V. 9-10. L. lat. 47-53. L. transv. ?^. 



-tr . 20-22 



Vert. -22-. 



Body rather elongate. Snout as long as, or somewliat longer than, 

 the eye ; cleft of the mouth directed upwards, the point of the lower 

 jaw slightly jjrojccting beyond the upper. The scales on the hinder 

 half of the abdomen do not extend across the edge. There are three 

 longitudinal series of scales between the lateral line and ventral fin. 

 The anterior anal rays are below the end of the dorsal fin. Uniform 

 bright silvery. 



Europe, north of the Alps. 



a, b. Adult. Thames. From Yarrell's Collection. 



c-e. Adult. Lake Wenern. 



/-^. Adult and half-grown. Gefle. From Wheelwright's CoUection. 



h-k. Half-grown. Sweden. From Wheelwright's Collection. 



I. Adult. Holland. From Dr. Bleeker's Collection. 



m-o. Half-grown. Ehine, near Strassbourg. Presented by Pro- 

 fessor V. Siebold. 



p-w. Adult and half-grown. River Main. Presented by Dr. A. 

 Giinther. 



x-^, z-a. Adult. Neckar, near Tiibingcn, From the Stuttgart 

 Collection. 



/3. Large specimen. Switzerland. From Professor L. Agassiz's 

 CoUection. 



y. Adult. Danube. Purchased of Dr. J, Heckel. 



Z-€. Large specimens. Eiver Amper. From Dr. Gemminger's Col- 

 lection. 



'C. Adult: skuU. lliver Neckar. From Dr. A. Giinther's CoUection. 



Hybrids. 



On a hybrid between this species di.n(!i Leuciscus cephalus, see p. 223. 

 On another with Leuciscus erijthrophthahnus (^AlhurnuH rosen- 

 /utKeri), p. 233. 



M. Elanchard (Poiss. France, p. 309) distinguishes the Bleak of 

 the Lakes of Geneva and Bourget as a distinct species, Alburnus 

 mirandella ; he says that it has fifty-seven or fifty-eight scales in 

 the lateral line. 



2. Alburnus alburnellus. 



Alborella, Avola. 



Aspiiis alburnus, Boiiap. Faun. Hal. Pesci. 



alborella, I)e Filippi, Ceniii, p. K!. 



Leiiiisicus albiu'Dellus. Martens, in irirf/in. Arcliiv, 1807, pi>. !•")], 179. 

 tab. U. lio-. (i. 



