of the Fishery Board for Scotland. 



51 



of the Clyde. Three spents in April, measuring 28-30 cm., were obtained 

 at Campbeltown. They weighed 67-78 grammes. The herrings of this 

 sample were very thin fishes. One Winter Spent 24 cm. long in January 

 weighed 75 grammes. 



The very heavy large herrings, measuring 29-34 cm., recorded in the 

 Tables for August to December were from Upper Loch Fyne. 



Average Weight (grammes) of Herrings at Each Size for each Month 



from the Clyde. 



t ' 





January. 



February. 



March. 



April. 



Length. 

 cm. 







All 

 Herrings 



except 

 1 Winter 



Spent. 



All except 

 Winter 

 Spents. 



Winter 

 Spents. 



All except 

 Winter 

 Spents. 



Winter 

 Spents. 



All except 

 Winter 

 Spents. 



Winter 

 Spents. 







14 



























16 





15 





23 











17 





16 





27 











i n 



19 





17 





32 











25 





18 





39 











28 





19 





45 









*44 



36 



*29 



20 



62 



53 









*56 



39 



43 



21 



72 



65 









60 



45 



46 



22 



83 



68 







73 



• 68 



54 



57 



23 



97 



87 



> 



'9 



86 



83 



62 



67 



24 



104 



107 



*101 



101 



92 





77 



25 



116 



116 • 



*104 



112 



103 





96 



26 



135 



129 



11 



18 



118 



114 





90 



27 



164 



151 







142 



129 





100 



28 



192 



170 



147 



172 



137 





*67 



29 



204 



190 







178 







*88 



30 



235 



212 













*78 



31 



254 



262 















32 



282 

















Total number of 

 herrings weighed 



181 



176 



11 



44 



180 



232 



219 



*One specimen only. 



[Table. 



