134 



FISHERY BULLETIN OF THE FISH AND WILDLIFE SERVICE 



172° W LONGITUDE 



LATITUDE 



Figure 9. — Variations in temperature, salinity, oxygen, inorganic phosphate, thermocline depth, and zooplankton 

 volume along 15S° and 172° W. long, as found on cruise 5, Hugh J/. Smith, June-August 1950. 



