



J L 



J L 



172° 



174° 176° 178° 

 EAST LONGITUDE 



1 80' 



168° 166° 164° 162° 

 WEST LONGITUDE 



Figure 17. — Surface (bucket) temperature ( upper panel ) and 

 temperature-depth section (lower panel) in degrees Fahrenheit 

 along 45 N. latitude between 172 E. and the 180th meridian from 

 BT observations (lower panel); Charles H. Gilbert cruise 17, 

 September -November 1954. 



Figure 18. --Same along 45 N. between 160 and 170 W. longitude. 



21 



