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 



RAFT CULTURE OF OYSTERS 

 IN MASSACHUSETTS 



By WILLIAM N. SHAW 



FISHERY BULLETIN 197 



From Fishery Bulletin of the Fish and Wildlife Service 



VOLUME 61 



UNITED STATES GOVERNMENT PRINTING OFFICE • WASHINGTON . 1962 



For sale by the Superintendent of Documents, U.S. Government Printing Office 

 Washington 25, D.C. - Price 20 cents 



