210 TRANSACTIONS LIVERPOOL BIOLOGICAL SOCIETY. 



Table XVII. Northern Grounds, 1920-21. Length Frequencies. 







" Shoals." 





" Slaughter." Solway Spawning 



Luce Bay. 



















Ground. 









I 





II. 



III. 



IV. 



II. 



III. 



IV. I 





II. 



III. 



IV. 



1920. 



1921. 



155 









2 



1 





6* . 





2 





8* 





6 



16-5 





*2 





1 





3 



1 





2 



2 



3 



"2 



15 



175 





7 



3 



2 



1 



4 



3 





10 



7 



6 



3 



47 



18-5 



3 



23 



2 



2 



4 



5 



4 



3 



31 



5 



9 



2 



63 



19-5 



4 



39 



5 



2 



8 



8 



5 



4 



51 



11 



11 



6 



46 



20-5 1 



2 



30 



6 



2 



10 



6 



1 1 



2 



45 



11 



4 



5 



41 



21-5 1 







30 



10 



1 



9 



8 



5 1 







44 



16 



11 



6 



14 



22-5 1 



2 



34 



11 



2 



8 



10 



2 1 



2 



48 



19 



8 



5 



15 



23-5 1 



1 



31 



16 



3 



6 



18 



6 1 



1 



48 



25 



18 



3 



17 



24-5 2 



1 



29 



17 



2 



7 



8 



2 2 



1 



48 



23 



6 



4 



6 



25-5 1 



1 



17 



16 



2 



11 



14 



5 1 



1 



34 



25 



14 



3 



15 



26-5 1 



3 



13 



13 



5 



15 



20 



2 1 



3 



36 



27 



15 



5 



6 



27-5 



9 



18 



12 





12 



13 



1 



9 



36 



23 



7 



1 



14 



28-5 



3 



17 



7 



*8 



13 



18 



3 



3 



35 



16 



22 



3 



10 



29-5 



2 



17 



10 



2 



19 



21 



1 



2 



49 



28 



9 



3 



13 



30'5 



3 



5 



6 



2 



14 



18 



4 



3 



25 



18 



15 



6 



10 



31-5 



3 



11 



8 



5 



11 



18 



2 



3 



30 



25 



10 



4 



23 



32-5 



3 



13 



5 



1 



14 



16 



1 



3 



36 



19 



8 



5 



18 



33-5 



2 



10 



2 



1 



18 



12 



3 



2 



38 



14 



8 



7 



18 



34-5 



2 



9 



7 



2 



16 



21 



1 



2 



27 



24 



8 



5 



27 



35-5 



3 



8 



2 



1 



11 



23 



3 



3 



23 



23 



8 



10 



28 



36-5 





6 



6 



4 



21 



9 



3 





30 



12 



12 



11 



23 



37-5 



1 



12 



3 



5 



18 



13 



3 



i 



34 



15 



11 



10 



11 



38-5 



2 



8 



1 



1 



5 



10 



2 



2 



20 



9 



6 



8 



17 



39-5 





15 





5 



5 



13 







21 



10 



9 



10 



11 



40-5 





5 



4 



3 



7 



6 



"2 





13 



7 



9 



12 



12 



41-5 





5 







6 



7 



1 





13 



6 



2 



12 



10 



42-5 



1 



10 



"3 





7 



8 



1 



i 



20 



10 



3 



7 



4 



43-5 





2 



1 



"i 



8 



5 



1 





14 



5 



3 



11 



4 



44-5 



i 



3 



1 





9 



8 



1 



i 



14 



6 



5 



6 



3 



45-5 • 



l 



3 





1 



6 



8 



1 



1 



12 



7 



4 



3 



1 



46-5 





5 



1 





1 



1 







7 



2 



1 



3 



3 



47-5 





3 



4 



1 



2 



8 







6 



11 



2 



2 



2 



48-5 





3 







1 









5 







3 



1 



49-5 





3 





"i 



2 



'l 







5 



"i 



1 



3 





50-5 





1 



i 





1 



1 







2 



2 







2 



51-5 







1 





1 



1 







1 



2 







1 



52-5 





"i 







3 



1 







5 



1 







1 



53-5 





i 



"i 







1 







3 



2 





"i 





54-5 

























1 





55-5 













1 



"i 





1 





2 







56-5 



















1 











57-5 



























2 





58-5 











"i 











1 











59-5 































60-5 



























i 





61-5 































R2 5 































63-5 











1 











"i 











64-5 































65-5 













1 











1 







1 



33 



449 



185 



70 



313 



367 



77 1 



33 



927 



469 



279 



194 



558 



* 10-5 to 15-5. 



