Front Matter
p. 0
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Subsurface Study of Glacial Deposits at Cleveland, Ohio
Bagley, C. T. pp. 53-71
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Book Notice
p. 71
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Short Time Variation of Temperature in Lake Mendota, Wisconsin
Verber, James L.; Bryson, R. A.; Suomi, V. E. pp. 72-76
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Book Notice
p. 76
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Biological and Taxonomic Notes on Erythroneura (Homoptera, Cicadellidae)
Ross, Herbert H.; DeLong, Dwight M. pp. 77-90
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Seasonal Variations in Relative Abundance of Cyclops Vernalis Fischer, Cyclops Bicuspidatus Claus, and Mesocyclops Leuckarti (Claus) in Western Lake Erie, from July, 1946, to May, 1948
Andrews, Ted F. pp. 91-100
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Book Notice
p. 100
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Effects of Certain Inorganic Ions on Corn Leaf Catalase
Eyster, H. Clyde pp. 102-104
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Biology of the Sweet Clover Weevil and Notes on the Biology of the Clover Root Curculio
Herron, John C. pp. 105-112
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New Genera and Species of Curculionidae with a New Species of Anthribidae (Coleoptera)
Sleeper, Elbert L. pp. 113-120
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Some Notes on the Evaniidae as Household Pests and as a Factor in the Control of Roaches
Edmunds, Lafe R. pp. 121-122
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Microbiological Study of Acid Mine Waters : Preliminary Report
Joseph, J. Mehsen pp. 123-127
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Back Matter
p. 999
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