LIMNOLOGY - Continued 



JOHNSON, KARL RICHARD* Plant ecology of northwestern Colorado 

 lakes and surrounding areas. Abstract in University of Colorado 

 studies, XXVI: 2:77-80, 1939- PhD, Colorado, 19H0* 



JOHNSON, MYCHYLE W„ A study of the nucleoli of certain insects 

 and crayfish o PhD, Indiana, 1936 . 



JOHNSON, WENDELL L„ Limnological studies of a new artificial 

 lake in southwestern Indiana* PhD, Indiana Univ„, 19UU* 



JONES, SARA Eo An ecological study of large aquatic plants in 

 small ponds * PhD, Wisconsin, I9I4.8. 



LAING, HARLOW E a Oxygen requirement for respiration and growth 

 of Nuphar advenum (Ait*) and other aquatic plants* PhD, Michigan, 

 1939* 



LEAKE, DOROTHY VAN DYKE. The algae of Crystal lake, Cleveland 

 County, Oklahoma* 72 p* PhD, Oklahoma, 19UU. 



LYMAN, FREDERICK EARLE* Limnological investigations of the 

 Ephemeroptera in Douglas Lake, Cheboygan County, Michigan, with 

 special reference to the distribution of immature stages. PhD, 

 Michigan, 19U0. 



MAGRUDER, SAMUEL R. The anatomy and histology of the fresh 

 water prosobranch gastropod, Pleurocera caniculatum undulatum Say. 

 PhD, Cincinnati, 193U* 



MARSHALL, ANNA C* A qualitative and quantitative study of 

 the Trichoptera of Western Lake Erie (as indicated by light trap 

 material). PhD, Ohio, 1939* 



MILLER, RICHARD B a The ecology of the Chironomidae of Costello 

 lake, Ontario, with a note on Corethra ( Chaoborus ) punctipennis . 

 PhD, Toronto, 1939* 



MOFFETT, JAMES W. A limnological investigation of the dynamics 

 of a barren, sandy, wave-swept shoal in Douglas Lake, Michigan. 

 PhD, Michigan, 1939 . 



MOORE, GEORGE M« A limnological investigation of the microscopic 

 benthic fauna of Douglas Lake, Michigan. PhD, Univ. of Michigan, 1938, 



MOYLE, JOHN B« The larger aquatic plants of Minnesota and the 

 factors determining their distribution. PhD, Minnesota, 1939. 



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