CONTENTS 



Page 



Introduction 1 



Methods - . 1 



Handling of data U 



Results 6 



Literature cited 8 



ILLUSTRATIONS 



Figure 1 Operational area for vessels of the Biological Laboratory, Honolulu 

 (broken line) and area included in this summary of bird flock and fish 

 school sightings (solid line). 



Figure 2 Log used to record visual observations of tuna schools, birds, and 

 aquatic mammals, 1954-60. 



Figure 3 Log used to record visual observations of tuna schools, birds, and 

 aquatic mammals, 1961 to present. 



Figure 4 Format of punch card and items of information concerning the results 



of visual scouting entered on cards. 5 



Figure 5 Seasonal variation in rate of sighting for three major island groups. 7 



Figure 6 Frequency of occurrence of different sighting rates of bird flocks 



in 5° X 5°-quarterly units. 8 



ill 



