>5 S AT DEPTH OF 1000 FATHOMS 
Oceanic CixciiLatioii, Majj 12 
EXPLANATION OF COLOURING 
Conlours dujwir^ 
nt' T.fmiV* 
6000 Feet 
6000 
1500 
3?' 
3 artirlcTin*' 
er slirnviL tlius 
IsothermaJs heUr^ Jtverage shown, in £Tjue thus 
