UNITED STATES DEPARTMENT OF THE INTERIOR, Stewart L. Udall, Secretary 

 FISH AND WILDLIFE SERVICE, Clarence F. Pautzke, Commissioner 



BUREAU OF COMMERCIAL FISHERIES, Donald L. McKernan, Director 



DETERMINING AGE OF YOUNG HADDOCK 



FROM THEIR SCALES 



By ALBERT C. JENSEN and JOHN P. WISE 



FISHERY BULLETIN 195 



From Fishery Bulletin of the Fish and Wildlife Service 



VOLUME 61 



PUBLISHED BY I'.S. FISH AND WILDLIFE SERVICE • WASHINGTON • 1962 



PRINTED BY UNITED STATES GOVERNMENT PRINTING OFFICE, WASHINGTON, D.C. 



For sale by the Superintendent of Documents. U.S. Government Printing Office, Washington 25, D.C. - Price I.i cents 



