Front Matter
pp. 0
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Insects in the Killbuck Marsh Wildlife Area: 1993 Survey
Williams, Roger N.; Ellis, M. S.; Fickle, D. S. pp. 226-232
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New Dragonfly (Odonata) Species in Ohio, and Additions to County Records
Glotzhober, Robert C.; Restifo, Robert A.; Perry, T. Edward; Alrutz, Robert W. pp. 233-239
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Brief Note: Twenty-eight Species of Moths New to Ohio from Huffman Prairie, Greene County (Lepidoptera)
Metzler, Eric H.; Zebold, Roger A. pp. 240-242
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The Effect of Massed Versus Spaced Practice on Retention and Problem-Solving in High School Physics
Grote, Michael G. pp. 243-247
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The Determination of Radon Activities in Ground Water from Wisconsin Tills in Southwestern Ohio and Southeastern Indiana
Hair, Terry L., Jr.; Baldwin, A. Dwight, Jr. pp. 248-253
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Diatom Communites in the Cuyahoga River (USA): Changes in Species Composition Between 1974 and 1992 Following Renovations in Wastewater Management
Brown, Beverly J.; Olive, John H. pp. 254-260
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Return and Increase in Abundance of Aquatic Flowering Plants in Put-In-Bay Harbor, Lake Erie, Ohio
Stuckey, Ronald L.; Moore, David L. pp. 261-266
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Book Reviews
Unger, Stephen H. pp. 267-267
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Reviewers of Manuscripts for the Ohio Journal of Science During 1994
pp. 271-271
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Back Matter
pp. 999
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