Biology of the Seas 

 of the U.S.S.R. 



PROFESSOR L. ZENKEVITCH 



Professor at Moscow State University 



Chairman of the National Oceanographical Committee of the U.S.S.R. 



Vice-President of the Special Committee 

 on Oceanic Research (SCO R) 



TRANSLATED BY S. BOTCHARSKAYA 



ILLUSTRATED 



'У \ 





о 



о 

 о. 



1930 



London 

 GEORGE ALLEN & UNWIN LTD 



RUSKIN HOUSE MUSEUM STREET 



jJ^s RARY 



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