80 



50 



250 



300 



24° 



26° 28° 30 



NORTH LATITUDE 



30° 32° 34° 

 NORTH LATITUDE 



36° 



26° 28° 30° 32° 34° 36° 38° 



NORTH LATITUDE 



Figure 63. --Surface (bucket) temperatures (upper panel) and 

 temperature-depth section (lower panel) in degrees Fahrenheit 

 along 170 E. longitude from BT observations; Hugh M. Smith 

 cruise 27, January-February 1955. Contour interval 1°F. Small 

 dashes indicate the depth of lowering. 



Figure 64. --Same along the 180th meridian. 



Figure 65. — Same along 172 W. longitude. 



62 



