of the Fishery Board for Scotland. 



307 



the smaller summer fish have a rather longer anal fin than the winter, 

 while the larger have the reverse. 



The caudal fin has been described as slightly shorter among the winter 



o 

 bO 









(N CO 

 CN O CO 

 CN +■» CN 





>0 



^5co 















CO 



of Mature Herrings of Progressive Lengths of Body, arranged accordii 

 1 of Caudal Fin to Body Length (less Head and Caudal Pin). 





O rH 



H OIN 

 CN CN 





OO 



S^CO 



CO 













CN 







OO OS 



os 0 0 



i— • -P CN 





CN 



os 



CO 



0 





CO 

 CO 







0 



Summer. 



co 



OO O OS 



O 



CO 



OO 

 CN 



0 



CN 



0 



I-H 



0 

 >o 



<N 



CO 



CO 

 CN 





N OM 

 l-H I-H 





CN 



I-H 



CN 

 CO 



os 



CN 



CO 

 CO 

 CO 





os 

 0 



CN 







CN CO 

 co O I>1 

 H +»H 



OS 



CN 

 rH 



CO 

 iO 



CN 



p 



CM 



>p 



CN 

 CO 



CN 

 CN 









O 



1G> O 

 rH 



g 





os 

 o^c© 



CN 



in 



J>. 



CO 





co 





os 



CO 







OO 



CO 0 

 rH 



OS 

 «* 



i-H 









CO 

 CO 



CO 





CO 

 CO 



CN 

 l-H 



CN 

 id 



Winter. 





CN 



CN O 

 CN 



to 

 :o 

 ->l 























O 



I-H O 



CN 







^ i 







os 



CO 









OO 





OO 



OS O 



ri +° 



OS 



0 







CO 

 CO 





CO 

 CN 



CN 

 CN 





CO 



*b 



OO O 

 T— 1 ^ 



OS 

 rH 



CN 



0 



I-H 



CN 





OS 



r-~ 



CO 



C-l 



CO 



->* 



0 



l-H 



O 



GO 



CN 



CO 



CO 

 CN 





CO 



id 



CO 



CN 



OO 

 CN 



1^ 



CO 

 CN 



CO 

 CN 



TABLE XXX., showing Percentage 

 Proportional Lengt] 









CN 



CO 0 



l-H 



CO 





rH 



CO 



co 



CN 



0 



CO 

 CO 



lO 



CN 

 CO 



CN 



rH 



O 

 CO 







O 



IO O 

 I-H 



rH 

 rH 





^ ; 



! OO 



rH 



CN 



CO 

 rH 



I-H 



CO 

 rH 



CO 

 rH 



tp 



CN 







OO 



CO 0 

 i-H -t- 3 



OS 







CN 

 ^rH 



CO 

 CO 



CO 

 CN 





CO 



CN 

 rH 



90 

 rH 



OS 







Ratio of Fin 

 Length. 





mm. 

 150 to 169 



170 to 189 



190 to 209 





210 to 229 



230 to 249 



Percentage of all 

 Lengths. 





than among the summer herrings, but the method of measurement was 

 not so exact in this case as in others. The base of the fin was taken, as 

 already described, at the end of the scales, but the length of the fin was 



