T DEPTH OF 300 FATHOMS - 4-+°«7 
Oceanic Circulation. Map 5. 
100 
120 
140 
160 
EXPLANATION OF COLOURING 
Contours showing' 
Dejrfh of Sea. 
eooo Beet 
3000 
SEA IlEVEL 
l onl i iiit s slitrw m 
Height of 
Fathoms 
100 
120 
140 150 160 
Iaothermals below ^Average, sTiowrv in, Eluo thus 
sTiown thus 
Bartholomew; Edm v 
