A UNITED STATES 

 DEPARTMENT OF 

 COMMERCE 

 PUBLICATION 



►. 





U.S. DEPARTMENT OF COMMERCE 



NATIONAL OCEANIC AND ATMOSPHERIC ADMINISTRATION 



NATIONAL MARINE FISHERIES SERVICE 



I 



Marine Biological Laboratory 



LIBRARY 



JUL 2 11971 



•11 '" »• 'CO 



• •-•Jo .1 



AGE DETERMINATION OF FISHES (REVISED) 



Fishery 



Leaflet 



637 



Scale From A 7-Year-Old Haddock 



