144 



These figures will be more easily understood by 

 consulting the diagram below. In this the black columns 

 represent the actual increase in length of the plaice 

 captured from month to month. 



Jarwf ■ Feby • Mar- Af)ril -Ma)'- June-CTuK/- Auq-Sej^t- 



Pig. 10. Actual increase in growth of the plaice during the months 

 Januarj^ — September. The figures on the left hand indicate 

 inches of growth, and those on the right centimetres. 



It will be seen from the chart that the growth of the 

 plaice is very slight during the months January, 

 February and March ; practically the fish does not grow 

 at all during this period. Then from April to September 

 the growth is yery rapid, and it is only during this season 

 of the year that growth really takes place. By the end 

 of September the ayerage increase in length of the fishes 



