PERMANENT WINDS, 



rade/|TTijid.s 



Rfigiim of &aie "Vftads during ITardieni STinniiiBE |" 



Limit, of Trade, Winds ilurStq FarOum. Jflnter ' 



Eegiom cf Calms chniag Isacthfim STimiaflr 

 Winter 



160 180 160 140 120 1OO 



The DARK BLUE TINT indicates the PRESENT Distribution of Glaciei 



