«._--.. ~*-300-' »\ 



~ ------ ""~~2oo. N ~ =:: ~;;r— -- •' . ; 



"350-^ 



306 



175° 



Figure 10 1 . --Inorganic phosphate in microgram-atoms per liter 

 (solid lines) on the 26.0 sigma-t surface (depth in meters, dotted 

 lines); Hugh M. Smith cruise 27, January-February 1955. Contour 

 intervals: inorganic phosphate 0.2 ug at. /I. , depth of sigma-t 

 surface 50 m. Dots indicate station positions. 



89 



