Front Matter
pp. 0
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Geology of the Peebles Quadrangle, Adams County, Ohio
Swinford, E. Mac pp. 218-230
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Snail Distributions in Lake Erie: The Influence of Anoxia in the Southern Central Basin Nearshore Zone
Krieger, Kenneth A. pp. 230-244
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A Brief Review of the Genus Polypedilum in Ohio, With Keys to Known Stages of Species Ocurring in Northeastern United States (Diptera, Chironomidae)
Boesel, M. W. pp. 245-262
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Determiniation of Flouride Ion in Well Waters of Eastwood School District, Wood, County, Ohio
Jones, Rose M.; Parker, Gordon A. pp. 263-266
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Brief Note: Surface Topography of Hammerschmidtiella diesingi (Nematoda: Oxyuroidea) Eggs Using Scanning Electron Microscope
Yu, Xiong; Crites, John L. pp. 266-267
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Necrology
pp. 268-274
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Address of New Editor
pp. 275-275
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Officers, Committees and Academy Representatives for 1985-56
pp. 276-278
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Index to Volume 85
pp. 279-286
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Table of Contents, Vol. 85
pp. 287-288
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Back Matter
pp. 999
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