LIMNOLOGY - Continued 



SPRULES, William Membery. Factors affecting the distribution of 

 aquatic insects in the Ifedawaska River system, Ontario. PhD, Toronto, 

 19U2. 



STANFORD, Lyle M. Preliminary studies on the biology of the 

 Snake River. PhD, Washington, 19i43. 



STARK, William H.. lo Factors influencing the bacterial popula- 

 tion of fresh water lakes, II. Lactate fermenting butyric acid 

 anaerobes o PhD, Wisconsin, 1939. 



STOKES, Jacob L. Relations between algae and other micro-organisms 

 in nature, PhD, Rutgers, 1939. 



SWINYARD, Chester A, A liranological study of several Minnesota 

 lakes. PhD, Minnesota, 193 U. 



WARD, Elizabeth B. A seasonal population study of pond Entoraos- 

 traca in the Cincinnati region. PhD, Cincinnati, 1939. 



WHITFORD, Larry Alston. The freshwater algae of North Carolina, 

 PhD, Ohio, I9I42, 



WOHLSCHLAG, Donald E. Vegetation and invertebrate life in a marl 

 lake. PhD, Indiana, 19U9. 



WOOD, Thelma R, Activation of the dormant form of fresh water 

 animals, with special reference to Cladocera. Internationale Revue der 

 gesamten Hydrogiologie und Hydrographie, vol. 35:229^2U2. 1937. PhD, 

 Brown, 1938, 



WRIGHT, John C. The limnology of Atwood Lake, a flood control 

 reservoir, PhD, Ohio, 19^0. 



young', Frank Nelson, Jr. The water beetles of Florida s a taxo- 

 nomic and ecological study, PhD, Florida, 19U2, 



YOUNG, Orson Whitney, A liranological investigation of periphyton 

 in Douglas Lake, Michigan. PhD, Michigan, 19h2. 



ZUMBERGE, James H. The origin and classification of lakes of 

 Minnesota. PhD, Minnesota, 1951. 



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