FCREWORD 



This report summarizes the available data on some aspects 

 of the biology of the lamnid sharks. Although much remains 

 to be leairned about this family of sharks, it is hoped that 

 this report -will be useful to other investigators. 



DENYS W. If^aHJL 



Rear Admiral, U. S. Navy 



Commander 



U. S. Naval Oceanographic Office 



iii 



