56° 57° 56° 55° 54° 53° fjg- i° 50° 49° 48° 47° 46° 45° 44' 43° 



55° 54° " 53° 52° 51 50° 49° 48° 



Figure 5— Ice conditions, Msy 1939. (Numerals idioate day of month ice was sighted or reported.) 



46° 45° 44° 43° 



220899 — 40 (Face p. 12) JJo. 4 



