BIHANG TILL K. SV. VET.-AKAD. HANDL. BAND 26. AFl). IV. N:0 8. 31 



Clupea caspia Eichwald. 



^ 

 'm 



^ rQ -t> 



^ -^ 3 i^ 



W) ^ 



-0^|3H^p^p_^pp, 



H ^ 



••^ s o 



Ph PM W 





Sh — ZS 



«>-l =1-. =«-( 



1-5 W hj 



The herrings from which these measurements are taken 

 have been caught, partly at Petrovsk, and partly in the 

 Volga delta. 



Counting the number of gillrakers in several specimens 

 of this kind at diiferent occasions I have found the variation 

 between 113 and 134. 



