ACKNOWLEDGMENT 



The author wishes to thank Harland 

 Johnson, Fishery Biologist, Little White Salmon 

 station, and other personnel of the Fish and 

 Wildlife Service who aided in the collection of 

 the sample material. 



LITERATURE CITED 



Earp, B. J., C. H. Ellis, andE. J. Ordal 



1953. Kidney disease in young salmon . 



State of Washington Department of 

 Fisheries, Special Report Series 

 No. 1. 



Siegel, S. 



1956. Nonparametric statistics for the 



behavioral sciences . McGraw-Hill 

 Book Co., Inc., New York. 



Wood, J. 

 1959. 



W 



and E. J. Ordal 

 Tuberculosis in Pacific salmon 

 and steelhead trout . Contributions 

 of The Fish Commission of the State 

 of Oregon, No. 25. 



Ross, A. J. 



1959. Mycobacterium salmoniphilum 



sp. nov. from salmonid fishes . 

 Am. Rev. Resp. Dis. In press. 



Table 1.-- Incidence of acid-fast bacilli in Chinook salmon spawned 

 under natural conditions in Washington rivers 



Source 



Number examined 



Number infected 



