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



Figure 55. — Ninth cruise, 1 July to 15 July 1946, showing surface isotherms and track of patrol vessel. 



740743 O - 47 (Face p. 142) No. 9 



