The 'Voyage of K.M.S ‘ ChalleiLger” 
MEAN TEMPERATURE OF THE OCEAf 
Tropic^of' Career. 
AflaateE, 
30 h 
ISOTHERMAL LINES 
SHOTOG THE MEAN TEMPERATURE (FAH B ) 
OF THE OCEAN AT 
DEPTH OF 900 FATHOMS r 
A-Burhaji Delr 
Track of HALS. 
