59° 58° 57° 56° 55° 54° 53° 52° 51° 50° 49° 48° 47° 46° 45° 44° 43° ..„,... 



Figure 20.— Second cruise, April 6 to 19, 1936, showing surface Isotherms, Ice conditions, and track of vessel. Numbers Indicate day on which ice was sighted or reported. 



1493 16— 38 ( Face p. 24 ) No. 2 



