LIMMOLOGY - Continued 



BERG 5 Clifford Oo Limnological relations of insects to plants of 

 the genus Potaraogeton , PhDj Michigan, 19U9-. 



BRADFIEIiD, Herbert H. Pennsylvanian Qstracoda of the Ardmore 

 basin 5 Oklahoma. PhD, Indiana, 193k- 



BRITTON, I&x Eo Distribution of algae in the Chicago region. 

 PhD,, Northwestern, 19Ulo 



BROOKS, John L. Cyclomorphosis in limnetic races of the genus 

 Daphnia found in eastern North America. PhD, Yale, 19U6« 



BROTO, Walter H. Plant communities of Illinois lakes. PhD, 

 Illinois, 1939<. 



BRUNSON, Royal B. Life history, ecology, and taxonomy of certain 

 North American fresh-water Gastrotricha. PhD, Michigan, 19U7o 



CALENHUSEN, Alfrons J. Part I. Some aquatic and sub-aquatic 

 plants from the region of Glacier Lake, Wisconsin, '°art II, Secondary 

 successions on the peat lands of Glacial Lake, Wisconsin, PhD, Wiscon= 

 sin, 19U8. 



CORKILL, James M. B. I. The seasonal variations of temperature 

 and dissolved oxygen in Lake Nipissing. 11. The oxygen supply of 

 lake water. PhD, Toronto, 1935 » 



CROASDALE, Hannah T. The fresh water algae of Woods Hole, 

 Jfessachusetts. PhD, Pennsylvania, 1935. 



DAGGY, Richard Henry. Taxonomic and biological investigations on 

 Minnesota mayflies (Ephemeroptera). PhD, Minnesota, 19U2o 



DAWLEY, Charlotte Webster. Distribution and growth studies of 

 the Unionidae and aquatic Gastropoda found in Minnesota, PhJ), Minne- 

 sota, 19U5. 



DEEVEY, Edward S,, Jr. Typological succession in Connecticut 

 lakes. PhD, Yale, 1938. 



ELLIS, John M, The morphology, division and conjugation of the 

 salt marsh clliate, Fabrea salina Henneguy. PhD, California, 193U» 



ESCHJffiYER, Reuben W. A limnological and fish survey of the lakes 

 in the Pigeon River State Forest, Michigan, with experiments in fish 

 management, an analysis of the fish yield and a special study of 

 stunted perch populations. PhD, Michigan, 1937. 



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