I9O4 



INTERNATIONAL ANTARCTIC CO-OPERATION. 



SYNCHRONOUS CHARTS OF SEA-LEVEL PRESSURE FOR NOON CM T. 



WITH WINDS AND AIR TEMPERATURES. 

 MARCH |9 I9Q4- MARCH 



vex 



Jv 



30 20* 10 O 10 20 30' 



10 10" ZO" 



I4O - ISO 160' 170 180" 170 160' ISO 140* 



Huth. London 



For expla.na-t.ion see Key map. 



