INTERNATIONAL ANTARCTIC CO-OPERATION. 



1904- 



SYNCHRONOUS CHARTS OF SEA-LEVEL PRESSURE FOR NOON G.M T. 



WITH WINDS AND AIR TEMPERATURES. 

 MARCH ~l 1904- MARCH 



IO* Igo* 160* 170* ISO* 170* 160 ISO 140* 



40* 30' 20' ' *|V 10' 20' 30' 40' 



40" 30' 20* TO* O* 10* 20" JO' 40' 



1904- 



MARCH 



9 1904- 



M AR C H 



I4O* ISO* 160* 170* 180* 170* 160* 150 140 



ISO SO 



I4O* ISO* 160' j 170' ISO' 170* 160* ISO* 140' 



For explanation see Key map. 



