Th.e "Voyage of HALS “CliallerLger” 
MEAN TEMPERATURE OF THE OCEAN 
Equator 
ISOTHERMAL LINES 
SHOWING THE MEAN TEMPERATURE (FAH* 
OF THE OCEAN AT 
DEPTH OF 200 FATHOMS 
L 
p - TeF^ rv— 
w L "f r i 
- , l* 
A-BurOian Delt. 
Isothermals above Average shown, in Red, thus 
Tract of TLM S. Clia 2: 
