Explanatory Note 



This paper is being released in processed form to make it 

 available to research scientists and the public at the earliest 

 possible date. It is to be published later in the Fishery Bulletin 

 of the United States Fish and Wildlife Service. Citation may be made 

 as follows: 



Ray, S. M., and W. B. Wilson 



1957. Effects of unialgal and bacteria-free 

 cultures of Gymnodinium brevis on fish. 

 United States Fish and Wildlife Service, Fishery 

 Bulletin, in press. 



