r DEPTH OF IOO FATHOM S = 60”-7 
Oceanic Cjxcdaticm. Map 3 
EXPLANATION OF COLOURING 
6000 Teet 
Contoxics showing 
Height of Lana 
looo 
1500 
.own. thus 
Isothermals belxnv Average slbown in, Blue, thus 
I 
I 
