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



Fish and Wildlife Service, Arnie J. Suomela, Commissioner 

 Bureau of Sport Fisheries and Wildlife, Eteniel H . Janzen, Director 



MICROHEMATOCRIT AS A TOOL IN FISHERY RESEARCH 

 AND MANAGEMENT 



By 



S. F. Snieszko 

 Assisted by Jimmy E. Camper, Fred J. Howard 

 and Lyle L. Pettijohni./ 



Special Scientific Report -Fisheries No. 341 



)_/ These persons, while in-service trainees at the Leetown Laboratory, assisted in 

 collection of data presented in this report. 



Washington, D.C. 

 June 1960 



/ 



