478 !)•■• L. S. Berg on the 



Clupea pontica, Eicliwald, Bull. Soc. Nat. Moscou, 1838, p. 135 (in 



Ponto Euxino prope Odessam). 

 Chipea eichicaldi, Grimm , Yiest. Eybopr. 1901, p. 67 (in Russ.) (Asov 



Sea, Don, Kalmius). 

 Alosa pontica, var. russac, Antipa, Denksclir. Alcad. Wien, niath.- 



nat. Kl. Ixxviii. 1905, p. 22, Taf. ii. figs. 1-5 (N. W. part uf the Black 



Sea). 

 Alosa pontica, Brauner, /. c. p. 218. 



Gill-rakers 40-60. Body elongate. 

 Allied to CI. kessleri. 

 Black Sea. 



8 a. Clupeonella pojitica nigrescens (Antipa). 

 Alosa 2Jontica, var. nigrescens, Antipa, t. c. p. 21, Taf. i. figs. 1-3. 



I?ody deeper than in CI. pontica typica. 

 \Vest coast of the Black Sea. 



9. Clupeonella kessleri (Grimm). 



Clupea piltschardus,\a.r., Pallas, Zoogr. rosso-asiat. iii. 1<S11, p. 206 



(Volgani usque ad Camam et Occam fl. adscendit anadromus). 

 Clupea pontica (non Eicliw.), Kessler, Trav. Soc. Nat. Peteisb. (in 



Russ.) i. 1870, p. 281 (Volga). 

 Clupea kessleri, (jrimm, The Herring of Astrakhan (in Russ.), 1887, 



p. 7 (Volga Delta). 

 Clupeonella kessleri, Berg, The Herriugs of the Caspian Sea (in Russ.), 



1913, p. 29, tab. vi., vii. 



D. III-IV 13-15. A. Ill 17-20. Sq. 53-56. Ventral 

 scutes 33. Gill-rakers short, 60-89. Teeth distinct. Body 

 elongate, its depth 21- 1-25-1 °/o of the length of the fish, 

 sometimes (morpha elafa) to 30 °/^. Length of head 22-8- 

 26-9 7o of the length of the fish. Eye small, 4-1-4-9 % of 

 the length of the fish. Pectorals extending 54' 1-66*1 °/ 

 of the distance from their base to that of pelvics. Scales 

 rather firm. 



Total length to 492 mm. 



Caspian Sea, entering Volga and Ural. In the Volga as 

 high as Nishni-Novgorod. 



10. Clupeonella caspia (Eichwald). 



Clupea caspia, Eichwald, Bull. Soc. Nat. Moscou, xi. 1838 p. 134 



(habitat in Caspio mari). 

 Clupeonella caspia, Berg, The Herrings of the Caspian Sea (in Russ ) 



1913, p. 36, tab. i. fig. 1, tab. ii.-iv. 



D. III-IV 13-15. A. Ill 16-20. Sc. 49-54. Gill- 

 rakers long, slender, 101-135. Teeth Mcak, in lower jaw 



