CONTENTS 



Page 



Methods ^ 



Vessel scouting 2. 



Airplane scouting 5 



Behavior of birds in relation to fish 6 



Evaluation of vessel scouting 8 



Distance and bearing of flocks from vessel 8 



Size of flocks 11 



Weather and sea 11 



Time of day 13 



Differences among observers 13 



Evaluation of airplane scouting 14 



Movement of skipjack schools 16 



Abundance of schools in relation to land and to the fishing area of the fleet 18 



Seasonal trend 19 



Results of live bait fishing 20 



Summary 22 



Literature cited 28 



Appendix--itineraries of the scouting cruises 28 



