LIMNOLOGY - Continued 



BRADFIELD, HERBERT H. Pennsylvanian Ostracoda of the Ardmore 

 basin, Oklahoma . PhD, Indiana, 193U- 



BRITTON, MAX Eo Distribution of algae in the Chicago region. 

 369 p. PhD, Northwestern, 19l±l. 



BROOKS, JOHN L„ Cyclomorphosis in limnetic races of the genus 

 Daphnia found in eastern North America* PhD, Yale, I9I4.6. 



BROWN, WALTER Ho Plant communities of Illinois lakes. PhD, 

 Illinois, 1939. 



BRUNSON, ROYAL B„ Life history, ecology, and taxonomy of certain 

 North American fresh-water Gastrotricha. 77 p. PhD, Michigan, 19U7- 



CALENHUSEN, ALFONS J„ Part I. Some aquatic and sub-aquatic 

 plants from the region of Glacier Lake, Wisconsin. Part II. Secondary 

 successions on the peat lands of Glacial Lake, Wisconsin. PhD, 

 Wisconsin, 19U8. 



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

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

 lake water. PhD, Toronto, 1935. 



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

 Massachusetts. PhD, Pennsylvania, 1935. 



DAGGY, RICHARD HENRY* Taxonomic and biological investigations 

 on Minnesota mayflies (Ephemeroptera) . PhD, Minnesota, 1942. 



DAWLEY, CHARLOTTE WEBSTERo Distribution and growth studies of 

 the Unionidae and aquatic Gastropoda found in Minnesota. PhD, 

 Minnesota, 19U5» 



DEEVEY, EDWARD S„, JRo Typological succession in Connecticut 

 lakes. PhD, Yale, 1938= 



ELLIS, JOHN M<, The morphology, division and conjugation of the 

 salt marsh ciliate, Fabrea salina Henneguy. PhD, California, 193U. 



ESCHMEYER, 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, Univ. of Michigan, 1937. 



FELIN, FRANCES EDNA* The seasonal fluctuation of benthic macrofauna 

 and limnetic plankton in Searsville Lake. A contribution to the biology 

 of fluctuating reservoirs. PhD, Stanford Univ., 19U0. 



21 



