44 42 41 39 38 36 34 33 



46 48 50 51 52 54 



1000 



26° 28° 30° 32° 34° 



NORTH LATITUDE 



36° 38° 30° 32° 34° 36° 38° 



NORTH LATITUDE 



Figure 97. --Vertical section of inorganic phosphate in microgram- 

 atoms per liter along 172 W. longitude, Hugh M. Smith cruise 27, 

 stations 33-44, January-February 1955. Contour interval 0.2 ug 

 at. II. 



Figure 98. --Same along 167 W. longitude, stations 46-54. 



86 



