72 70 69 67 66 64 63 61 60 59 



100 



200 



300 



400 



CO 



500 



Q. 

 LlI 

 Q 



600 



700 



800 



900 - 



1000 



28° 30° 32° 



NORTH LATITUDE 



34° 



36° 



38° 



Figure 91. --Vertical section of dissolved oxygen in milliliters per 

 liter along 159 W. longitude; Hugh M. Smith cruise 27, stations 

 59-72, January-February 1955. Contour interval 0.5 ml. /I. 



81 



