— ^o 



1902 and 1904, this area appears to have received an influx of Small Haddock also in 

 spring, which we shall pi'esently find to be a phenomenon characteristic of the regions 

 to the eastward. 



1901 



1902 



1903 



1904 



1905 



1906 



100 



80 



60 



40 



20 



nil 



^i 



P 



I 



t 



^^ 



t 



§: 



% 



\ 



i 



Ti 



^% 



^l 



■fV^ 



S=^! 



I 



ÏÎ 



i'^ 



Fig. 38. Small Haddock. Area XXIII 



Area XXIX 



In the Shetland area (X) a single annual wave is clearly indicated, but the season 

 of maximum is somewhat variable; it takes place on the average about December, and 

 may be a month or two earlier or later (fig. 39). 



iDoa 



100 



80 



60 



40 



2.0 



1903 



1904. 



1905 



Fig. 39. Small Haddock. Area X. 



1906 



= Z 



--X 



The curve here reproduced is one that illustrates the need for caution in the study 

 of our statistics and in their illustration by means of curves. We appear to have an 

 exceptionally high maximum in the spring of 1903, but on referring to the Tables 



