CONTENTS 



Page 



Physical and chemical observations 1 



Temperature; bathythermograph slide processing 1 



Salinity 1 



Phosphate 2 



Light penetration and water color 2 



Photometer description 2 



Meteorological observations 2 



Records 2 



Field parties 3 



Acknov/ledgnnents 3 



Literature cited 3 



ILLUSTRATIONS 

 FIGURE 

 Frontispiece: Chart of POFI North Pacific fishing cruises, summer and fall, 1956. 



1. Track chart, John R. Manning cruise 32 3 



2-4. BT sections, John R. Manning cruise 32. 4-6 



5. Track chart, John R. Manning cruise 33 7 



6-8. BT sections, John R. Manning cruise 33 V-9 



9. Track chart, Charles H. Gilbert cruise 31 10 



10 - 12. BT sections, Charles H. Gilbert cruise 31 11-13 



13. Surface salinity, John R. Manning cruise 33 and Charles H. Gilbert cruise 31. . 14 



Page 



