UNITED STATES DEPARTMENT OF COMMERCE 



Maurice H. Stans, Secrefary 



NATIONAL OCEANIC AND ATMOSPHERIC ADMINISTRATION 

 Dr. Robert M. White, Adminishator 



NATIONAL MARINE FISHERIES SERVICE 

 Philip M. Roedel, Diredor 



Floating Laboratory for Study of Aquatic 

 Organisms and Their Environment 



By 



GEORGE R. SNYDER, THEODORE H. BLAHM, and ROBERT J. McCONNELL 



Circular 356 



Seattle, Washington 

 May 1971 



