DISCOVERY 

 REPORTS 



Vol. XIX, pp. 1-120, plates I-XXV 



Issued by the Discovery Committee, Colonial Office, London 

 behalf of the government of the Dependencies of the Falkland Islands 



on 



PHOSPHATE AND SILICATE IN THE 

 SOUTHERN OCEAN 



by 

 A. J. Clowes, M.Sc, A.R.C.S. 



CAMBRIDGE 



AT THE UNIVERSITY PRESS 



1938 

 Price twenty-three shillings net 



