Table 6. --Sightings of tuna schools, birds, and aquatic mammals, Hugh M. Smith cruise 52 



1 800 



30 



11- 



- - 1 



- 1 - 



30 



13 

 10 



500 

 20 



120 



15 12 

 100 



20 



1 

 20 - 37 



2 

 2 



15 



15 1 



1000 3 



11004- 12 



601- 2 



30 



