SEA-FISHERIES LABORATORY. 



257 



Table X.— Welsh Herrings, Winter, 1921. 

 Correlation between T.cd. and A expressed as a % of T.cd. 



Coefficient of Correlation = 0*094. 





73- 



74- 



75- 



76- 



77- 



78- 



79- 



80- 









739 



74-9 



75-9 



76-9 



77-9 



78-9 



79-9 



80-9 



Totals. 



Means. 



f 180-189 





1 



1 



5 



13 



4 



3 





27 



77-50 



190-199 



1 



1 



2 



17 



19 



14 



2 



i 



57 



77-37 



200-209 



1 



1 



3 



8 



25 



13 



4 





55 



77-50 



210-219 





1 



5 



11 



15 



6 



4 







42 



77-26 



220-229 









3 



10 



4 



2 







19 



77-76 



230-239 







2 



4 



10 



12 



1 







29 



77-71 



240-249 









2 



5 



7 



2 







16 



78-06 



250-259 





1 







1 











2 



76-00 



260-269 









... 



1 



... 









1 



75-50 



Totals 



2 



5 



13 



50 



99 



60 



18 



l 



248 





Means 



200 



211 



210-38 



207 



210-15 1 214-3 



1 



211-11 



195 







Table XI. — Manx Herrings, June, July, August, 1914/20. 

 Correlation between T.cd. and A expressed as a % of T.cd. 



1 



s 



"3 ^ 



i ^ 





73- 



74- 



75- 



76- . 77- 



78- 



79- 



80- 









73-9 



74-9 



75-9 



76-9 77-9 



78-9 



79-9 



80-9 



Totals. 



Means. 



170-179 







1 



1 



1 







3 



77-17 



180-189 





6 



3 



6 6 



3 





1 



25 



76-54 



190-199 



2 



12 



28 



37 36 



14 



2 



2 



133 



76-65 



200-209 



3 



19 



46 



68 46 



30 



6 



2 



220 



76-59 



210-219 



2 



13 



33 



55 46 



14 



7 





170 



76-68 



220-229 





1 



10 



14 29 



15 



4 



1 



74 



77-35 



230-239 



1 







3 7 



3 



2 



1 



17 



77-68 



Totals 



8 



51 



121 183 171 



80 



21 



7 



642 





Means 



208-75 



203-24 206-32 207'35 209-33 



208-75 



214-05 



206-43 







r = Coefficient of Correlation = 0-152. 



