Oceanic Circulation. Map 7. 
iT DEPTH OF 500 FATHOMS = 40°-l 
o 
10 20 30 40 50 00 70 80 90 100 llO 120 130 140 150 160 
6000 Beet 
1000 
1500 
Is othertrials below Average sJiowru izi3bze t/uxs 
t skownj thus 
B artkolomew, EdinV 
