PHOSPHATE, PLANKTON AND WHALE DISTRIBUTIONS 



Fig. 151. Distribution of phosphate values, averaged for the 

 top 50 m., in the South Georgia survey, January-February 

 1930. 



824 8 24 



821 . -8^ 2 

 8 24.(^6 22 



Fig. 152. Distribution of pH values, averaged for the top 

 50 m., in the South Georgia survey, January-February 1930. 



