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



FISH AND WILDLIFE SERVICE, Clarence F. Pautzke, Commissioner 



Bureau of Commercial Fisheries, Donald L. McKernan, Director 



THE SPINY DOGFISH ( Squalus acanthias ) 

 IN THE NORTHEASTERN PACIFIC 



by 



Dayton L. Alverson and Maurice E. Stansby 



United States Fish and Wildlife Service 

 Special Scientific Report— Fisheries No. 447 



Washington, D. C. 

 July 1963 



