Fig. 37. Monthly catches of large haddock by the Aberdeen trawlers off the East Coast of 

 Scotland during the years 1901 — igo6. 



from area XXIII \ p^.^^^^ D'Arcy Thompson (Fig. 31 in his paper). 



X from area XXIX ) 



1901 



1902 



1903 



1904 



1905 



1906 



Fig. 38. Monthly catches of large haddock by Aberdeen trawlers during the years igoi — 1906 



in the central portion of the North Sea south of the 'witch ground' : area XXIV of the Scottish 



Statistics. From D'Arcy Thompson (Fig. 33 in his paper). 



