FISHERY BOARD FOR SCOTLAND. 



SCIENTIFIC INVESTIGATIONS, 



1911. 



No. II. 



REPORT on DISEASES and ABNORMALITIES 



IN FISHES 



(with 8 Plates). 



BY 



Dr. H. C. WILLIAMSON, M.A., F.R.S.E., 

 Marine Laboratory, Aberdeen. 



This Paper may he referred to as: 

 " Fisheries, Scotland, Sci. Invest, 1911, II." {March 1913). 



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