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 



Annual report of the 

 Technological Laboratory, Gloucester, Massachusetts 

 for the fiscal year ending June 30, 1961 



Joseph W. Slavin 



Laboratory Director 

 Technological Laboratory- 

 Bureau of Commercial Fisheries 

 U.S. Fish and Wildlife Service 

 Gloucester, Massachusetts 



CIRCULAR 139 



Washington, D.C. 

 February 1962 



