302 crrRiNiDiE. 



I. Adult female : skeleton. Lake of Derkos. From Mr. Millingen's 



Collection. 

 K. Adult : skull. Holland. Purchased of Mr. Damon. 



Hybrid. 



On a hybrid between A. hvama and Leueiscus rutUus (Abrami- 

 dapsis), sec p. 214. 



2. Abramis ballerus. 



Die Zope, Pleinzen. Fareu (Sweden). 



Cyprinus, sp., Ai-fccli, Gen. p. 3. no. 5; and Spec. p. 23. no. 11 (not 

 synon.). 



Cyprinus ballerus, L. Si/st. Kat. i, p. 532 ; Bl. Fische Dentschl. i. p. 62, 

 taf. 9 ; Pallas, Zooqr. Ross.- As. iii. p. 327 j Fries ^ Ekstr. Skand. 

 Fisk. pi. 26, p. 112. 



Abramis ballerus, Cuv. ^- Val. xvii. p. 45 ; Nilss. Skand. Faun. Fisk. 

 p. 331 ; Nordmann, in Demid. Voy. Muss. Merid. iii. p. 505 ; Kroijef, 

 Damn. Fisk. iii. p. 411 ; Heckcl 4" Kner, S'ussivasscrf. p. 113. fig. 59 j 

 Uijboivskiy Ci/pr. Livl. p. 196 ; Siehold, S'dsswasserf. p. 130. 



D. 11. A. 39-42. V. 10. L. lat. 69-73. L. transv. J^. 

 Yert 22/26. 



Body moderately elevated, its depth being one-third, or somewhat 

 more than one-third, of the total length (without caudal). Snout 

 obtuse, with the mouth terminal, obliquely ascending forwards. 

 Back of the tail not keeled. Belly compressed behind the ventrals, 

 the scales not extending across the edge. There are eight or nine 

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

 End of the dorsal fin vertically above the anterior anal rays. 



Germany ; Holland ; Sweden. 



a. Fine specimen. Sweden. Presented by Prof. Lilljeborg. 

 h-g. Half-grown. Lake Wenern. From Mr. Lloyd's Collection. 

 h~k. Young. Sweden. From Mr. Wheelwright's Collection. 

 L Adult. River Elbe. Presented by Prof, von Siebold. 

 m. Adult : skeleton. Sweden. From Mr. \Yheelwright's Collection. 



3. Abramis sapa. 



Brama secunda, fcem., Marsil. Danub. tab. 17. 



Cyprinus sapa, Pall. Zoor/r. Ross.-As. iii. p. 328. 



clavetza, Giddenst. in PdUas, I. c. p. 329. 



Abvamis schreibersii, Heckel, Ann. Wie7i. Mus. i. p. 227, tab. 20. fig. 4. 



balleropsis, Aqassiz, Mem. Soc. Sc. Nat, Neuchdt. i. p. 39 ; or in 



Wiegm. Arch. 1838, p. 81. 



sapa, Nordma7in, in Demid. Voy. Puss. 3Ierid. iii. p. 600, tab. 21. 



fig. 2 ; Heckel ^- Kner, Siisswasscrf. p. 115, fig. 60 ; Jcitteles, Fische 

 d. March, i. 1863, p. 32; Siehold, Sicsstcasserf. p. 131. 



Leueiscus sopa, Cuv. ^ Val. xvii. p. 49. 



D. 11. A. 41-48. Y. 10. L. lat. 50-52. L. transv. 5^. 

 Yert. 21/26. 

 Body moderately elevated, its depth being one-third, or somewhat 



