56. LEUciscus. 217 



4. Leuciscus macrolepidotus. 



Ruivaca (Portugal). 



Steindachner, Sitzgsber. Ak. Wiss. Wien, 1866, liv. pp. 15, 272, taf. 1. 

 fig. 4. 



D. 10. A. lO(-ll). V. 9-10. L. lat. 33-36. L. transv. 7/4|. 

 Body oblong, its depth being contained tkrice and two-thirds in 

 the total length (without caudal). Mouth terminal, the upper jaw 

 slightly overlapping the lower. There are two and a half longitu- 

 dinal series of scales between the lateral line and ventral fin. An 

 indistinct greyish band along the side. 



Portugal. 

 a. Four inches long. River d'Alco-boga. Presented by Dr. B. 



du Bocage. 

 h-c. Three and four inches long. Coimbra. Presented by Dr. B. 



du Bocage. 

 d. Three inches long. Cintra. Presented by Dr. B. du Bocage. 



5. Leuciscus albumoides. 



Leuciscus (Leucos) alburnoides, Steindachner, Sitzgsber. Ak. Wiss. 

 Wien, Hv. 1866, p. 263, taf. 1. fig. 3. 



D. 10. A. 10-12. L. lat. 39-40. L. transv. M. 



Body elongate, its depth being equal to the length of the head, 

 and two-ninths of the total (without caudal). Mouth terminal, 

 obUquely ascending upwards as in Alhurnns. There are two and a 

 half longitudinal series of scales between the lateral line and ventral 

 tin. A dark band along the side, above the lateral line. {Steind.) 



Pharyngeal teeth 5 — 5, 



Spain. 



6. Leuciscus arrigonis. 

 Steindachner, Sitzgsber. Ak. Wiss. Wien, 1866, Uv. p. 16, pL 4. fig. 1. 

 D. 10-11. A. 11-13. V. 10. L. lat. 46-52. L. transv. -|. 

 Body longish, its depth being rather less than one-fourth of the 

 total length (without caudal). Mouth inferior, the upper jaw over- 

 lapping the lower. There are four and a half or five longitudinal 

 series of scales between the lateral line and ventral fin. A blackish 

 band along the side. Pharyngeal teeth 6 . 5. (Steind.) 

 Spain. (Rio Jucar ; Lake of Una.) 



7. Leuciscus heckelii. 



Leuciscus heckelii, Nordm. in Demid. Voy. Russ. Mdrid. iii. p. 491, 

 Poiss. pi. 23. fig. 1. 



D. 13. A. 12-13. Lr lat. 43-46. L. transv. 8/6. 

 Body rather elevated, its depth being about two-fifths of the total 

 length (without caudal). Mouth subinferior, the upper jaw pro- 

 jecting beyond the lower There are four and a half longitudinal 

 scries of scales between the lateral line and ventral fin. Origin of 



