164 



Report S.A.A. Advancement of Science. 



U.S.A. Weather Map. 



/26' /ZD' /IS' I'p* 1O5' iCO° 95' 90' 65' fO° 75' lO" 6^ 



/?^LAT/VE 

 HUM/D/TY . 



June. 



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U.S.A. Weather Map. 



