193 



Table X.— Welsh Herrings, Winter, i"J21. 

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



r = Coefficient of Correlation = 0-094. 



Table XL — Manx Herrings, June, Jnly, August, 1914/20. 

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



r = Coefficient of Correlation — 0-152. 



N 



