UNITED STATES DEPARTMENT OF THE INTERIOR, Douglas McKay, Secretary 

 FISH AND WILDLIFE SERVICE, John L. Farley, Director 



EFFECT OF DISSOLVED ORGANIC 

 SUBSTANCES ON OYSTERS 



By Albert Collier, S. M. Ray, A. W. Magnitzky 

 and Joe O. Bell 



FISHERY BULLETIN 84 



From Fishery Bulletin of the Fish and Wildlife Service 



VOLUME 54 



UNITED STATES GOVERNMENT PRINTING OFFICE • WASHINGTON : 1953 



For sale by the Superintendent of Documents, U. S. Government Printing Office, Washington 25, D. C. 



Price 20 cents 



