gg. "58° 57° 56" 55^ 54= 53^ 52° 51° 50° 49° 48° 47° 46° 45° 44° 43° 



FrGiRB r' Tliircl Cruise April 10th to 21st. 1935, showing surface isotherms and ice conditions. Traclc of vessel omitted due to consestion. Numbers indicate day on which ice w.is -; ighted or reported. 



81771—37 (Face p. 44) No. ."J 



