TABLE OF CONTENTS 



Page 



Introduction 



Scope and purpose 1 



Changes from 1957 procedure 1 



Cruise plans 1 



Plankton 2 



Water samples 2 



Drift bottles 2 



Acknowledgments , 2 



Vessels and observers, 1958 2 



Field procedure 



Stations 2 



Field routine 2 



Laboratory procedure 



Chemistry 3 



Observed data 3 



Interpolated data 4 



Plaiikton data 4 



Summaries of observations 4 



MV PIONEER 5 



MV ATTU 8 



Tabulated data: MV PIONEER 



Station data 11 



Bathythermograph observations 116 



Plankton data , 125 



Tabulated data: MV ATTU 



Station data 134 



Bathythermograph observations 212 



Plankton data 217 



Drift bottle releases 223 



Appendix 



Bathythermograph coverings made by the Fisheries 



Research Institute, University of Washington ....... 224 



iii 



