5"E 



Fig 194 Phaeocystis and herrings. A, distribution of PhaeocysttSy 

 17-24 April, 1924, normal distribution. + , Phaeocystis scarce or 

 absent, o, stations in Phaeocystis zone. Intensity of concentration 

 shown by shading. -^ assumed herring migrations. B, distribution 

 of Phaeocystis, 8-13 April, 1926. Spring fishery interference. C, 

 distribution of Phaeocystis, 6-9 November, 1927. Autumn fishery 

 interference. S.K. = Smith's KnoU Lightship. (After Savage.) 



344 



