CONTENTS 



Page 



Introduction 1 



Field party personnel 3 



Field procedures 3 



Bathythermograph and meteorological observations 3 



Zooplankton collections 3 



Surface fish school, bird flock, and aquatic mammal sightings 3 



Surface trolling 3 



Tagging 3 



Laboratory procedures 4 



Salinity determinations 4 



Zooplankton 4 



Literature cited 4 



ILLUSTRATIONS 



Figure 1 Vessel track for Charles H. Gilbert cruise 51 1 



Figure 2 Vessel track for Charles H. Gilbert cruise 52 2 



Figure 3 Vessel track for Charles H. Gilbert cruise 53 2 



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