United States Department of the Interior, Fred A. Seaton, Secretary 

 Fish and Wildlife Service, Arnie J. Suomela, Commissioner 



RAPID COUNTING OF NEMATODA IN SALMON BY PEPTIC DIGESTION 



by 



Joseph A. Stern and- Dipt iman Chakravarti 

 University of Washington 



and 



Joseph R. Uzmann and Mary N. Hesselholt 

 Bureau of Commercial Fisheries 

 Fish and Wildlife Service 



Contribution No. 2 to research conducted with the approval 

 of the United States Section of the International North 

 Pacific Fisheries Commission. The Commission, established 

 in 1953 by the International Convention for the High Seas 

 Fisheries of the North Pacific Ocean, coordinates the 

 research of the member nations: Japan, Canada, and the 

 United States. The resulting investigations provide data 

 to the Commission for use in carrying out its duties in 

 connection with fishery conservation problems in the North 

 Pacific Ocean. Publication of this scientific report has 

 been approved by the United States Section of the Commission. 



Special Scientific Report — Fisheries No. 255 



Washington, D. 

 May 1958 



