Table C-ll. — Monthly mean lengths of nonpregnant female seals 

 collected pelagically by the United States off Washington in 

 1967 



January 



Februan 



January- February 



Age 



Seals 



Mean 

 length 



Seals 



Mean 

 length 



Seals 



Mean 

 length 



Standard 

 deviation 



Years Number Cm. 



Number Cm. Number Cm. 



Cm. 



72.7 



71.7 



72.2 



3. 4 



100 



