Sx^t^ 



UNITED STATES DEPARTMENT OF THE INTERIOR 



Stewart L. Udall, Secretary 



James K. Carr, Under Secretary 



Frank P. Briggs, Assistant Secretary for Fish and Wildlife 



FISH AND WILDLIFE SERVICE, Clarence F. Pautzke, Commissioner 



Bureau of Commercial Fisheries, Donald L. McKernan, Director 



THE AMERICAN OYSTER 



Crassostrea virginica Gmelin 



By Paul S. Galtsoff 



Fishery Bulletin of the Fish and Wildlife Service 



VOLUME 64 



UNITED STATES GOVERNMENT PRINTING OFFICE • WASHINGTON . 1964 



For sale by the Superintendent of Documents, U.S. Government Printing Office, Washington, D.C., 20402 - Price S2.75 (Paper Cover) 



