UNITED STATES DEPARTMENT OF THE INTERIOR 

 Stewart L. Udall, Secretary 



Stanley A. Cain, Assistant Secretary for Fish and Wildlife and Parks 



FISH AND WILDLIFE SERVICE 

 Clarence F. Pautzke, Commissioner 



BUREAU OF SPORT FISHERIES AND WILDLIFE 

 John S. Gottschalk, Director 



I'lililislii'd liy (lie I'.uriMu ul' S|.(ii-t Fisheries mikI Wildlife 

 rriiileil al llie I'.S. (ioveriiiiM'iil I'rinliii}; Office 



Washington, D.(;. • May 1965 



