162° 



160° 



158= 



156° 



154° 



154° 



Figure 17, --Bathymetric chart (depth an meters) of the 

 24.5 sigma-t surface, H. M. Smith cruise 20, March 

 1953. Contour interval 20 m. Dashed lines indicate 

 the salinity { /oo) distribution on the surface with 

 contour intervals of 0. 1 /oo. 



45 



