AT DEPTH OF 700 FATHOMS - 38°-l 
Oceanic Circulation. Map 9 
100 
120 
140 
r shown. thus 
IsothermalheU/yw Avera/je* shown in Blue thus. 
160 
lOO 
140 150 160 
EXPLANATION OF COLOURING 
Contours showing 
Depth af Sea. 
eooo leet 
oooo 
SEAIEVEL 
LOO PatLoms 
500 
lOOO 
