of the iishery Board for Scotland. 



59 



age-group. If two age-groups are mixed in a shoal the older group may 

 simply form a good tailing-off of the upper end of the moi^e numerous 

 younger fishes. 



In order to eliminate as far as possible errors due to selection by the 

 nets, or by the consignor, all the herrings for each month have been added 

 together, i.e., in their respective classes, viz.. Immature, Immature develop- 

 ing, Full herrings, Winter Spawners developing. Summer Spawners 

 developing. Winter Spents, Summer Spents. They have been taken 

 together irrespective of locality, or of the year in which they were captured. 

 They have been arranged in the order of their length in the tables which 

 follow* : — 



Immature. 



* The herrings contained in the additional samples recorded on page 67, are not inchided 

 in the Tables pp. 59 to 62. 



[Tables, 



