POLLUTION 

 SEE also ECOLOGY ; Blum. 



KRESS, Herbert 



Alleviation of stream pollution from seraichemical pulping processes, 

 PhD, Virginia Polytechnic, 1953. 



TENNANT, Alan D. 



Bacterial indices of pollution in oyster producing areas in Prince 

 Edward Island. PhD, McGill, 1955. 



POPULATIONS 



SEE also CRUSTACEA : Lindberg; GAME FISHES : Pratt; LIMNOLOGY : 

 Anderson, Comita; SHELLFISH : Dickie. 



JOHNSON, Waldo E. 



Dynamics of fish production and carrying capacity of some northern 

 soft-water lakes. PhD, Wisconsin, 1954. 



MOORMAN, Robert B. 



Fish populations in some Iowa farm ponds in relation to past 

 history and management. PhD, Iowa State, 1954. 



NEAVE, Ferris 



Principles affecting the size of pink and chum salmon populations 

 in British Columbia, PhD, British Columbia, 1952. 



WELSH, James P. 



A population study of Yellowstone blackspotted trout Salmo clarkii 

 lewisi Girard. U.M. PhD, Stanford, 1953. 



WHITNEY, Richard R. 



Walleye, Stizostedion vitreum (Mitchill), population of Clear 

 Lake, Iowa. PhD, Iowa State, 1955. 



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