26 27 28 29 30 



100 



200 - 



300 



400 



in 



tr 



UJ 



500 



Q. 

 UJ 

 Q 



600 



700 - 



800- 



900 



1000 



34° 36° 38° 40° 



NORTH LATITUDE 



46° 



Figure 41. --Vertical section of inorganic phosphate in microgram- 

 atoms per liter along the 180th meridian; Charles H. Gilbert cruise 

 17, stations 26-32, September-November 1954. Contour interval 

 0.2 ug at. /I. 



44 



