330 CTPRiNiDj;. 



longer than the head, and uot extending to the ventrals. Dorsal 

 spine strong. 



2. Leuciscus marJuvrioidcs, Richardson, 7. c. The height of the 

 hody is one-seventh (one-sixth?) of the entire length, the length of 

 the head less than an eighth. Scales small. The dorsal commences 

 a little behind the front of the ventrals or in the middle of the length, 

 caudal cxchidod ; it equals the anal in the length of its base. — This 

 is a verj- doubtful sj^ecies ; also the figure on which it is founded 

 cannot be found in our collection of MS. drawings. 



91. PELECUS. 

 Pelecus, Ayassiz, Mem. Soc. Sc. Nat, Neuchdt. i, 1835, p. 39. 



Body oblong, much compressed, the entire abdominal edge being 

 trenchant. Scales rather small ; lateral line abruptly bent down- 

 wards behind the jjectoral fin. Mouth directed upwards ; barbels 

 none. Dorsal fin short, without pungent spine, j^laccd above the 

 anterior part of the anal ; anal fin long, many-rayed ; caudal fin 

 forked ; pectorals elongate ; ventrals well-developed. Gill-openings 

 very wide. Pharyngeal teeth in a double series, hooked. Intestinal 

 tract short. 



Eastern Europe. 



1. Pelecus cultratus, 



Sichel or Ziege (Germany) ; Skiirbraxen (Sweden), 



Marsil. Damib. Pan.-Mi/s. iv. p. 21, tab. 8. 



Cyprinus cultratus, L. Skdnska Mesa, p. 81, tab. 2. fig. 1 ; Syst. Nat. i. 



p. 531 ; lil. Fmhe Deidschl. i. p. 2-55, tab. 37 ; Reisinger, Pise. 



JIuny. p. 79 ; Meidinger, tab. 25 ; Pallas, Zooqr. Ross.- As. iii. p. 331 ; 



Tiles. Mem. Ac. St. Petersb. iv. p. 461, tab. 15. figs. 6, 7. 

 Esox, sp., Klein, Pise. Miss. v. p. 7-4, tab. 20. fig. 3. 

 Chela cuitrata, Cuv. Regne Anim. 

 Pelecus cultratus, Agassiz, I. c. ; Kroger, Damn. Fisk. iii. p. 511 ; 



Hcckcl 6i- Kncr, Sihsrcasserf. p. 126; Nordmaiui, in P)cmidoff Voy. 



Rk.^s. Mrrid. iii. j). 502, pi. 24. fig. 1 ; Siebold, Sil<sinisserf. p. 152 ; 



Dyhincskij Ci/pr. Lirlands, p. 153; Mulnu/ren, Wicgm. Arch, xxx, 



p. "314. 

 Leuciscus cultratus, Cuv. 8,- Val. xvii. p. 330. 

 Abramis cidti-atus, Nils. Skand. Faun. Fisk. p. 340. 



D. 9-10. A. 28-31. y. 9. L. lat. 92-108. L. transv. 14/6. 

 Yert. 48. 



The height of the body is two-ninths of the total length (without 

 caudal), the length of the head one-fifth ; the diameter of the eye is 

 contained thrice and three-fourths in the length of the head. Sub- 

 orbitals very narrow. The maxillary does not extend to the vertical 

 from the front margin of the eye. Pectoral fin very long, nearly 

 one-third of the total length (without caudal), and nearly extending 

 to the base of the ventral. The first dorsal ray corresponds to the 

 eighth of the anal fin. Coloration imiform. 



Pharyngeal teeth 5 . 2 — 2 . 5, hooked and slightly denticulated. 



Eastern Europe ; Baltic. 



