Front Matter
p. 0
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Calibration of a Metal Gas X-Ray Tube
Krebs, Richard P.; Kersten, H. pp. 211-214
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Newberry on the Ohio Drift
Westgate, Lewis G. pp. 215-219
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Book Notices
p. 219
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The Vegetation of Trumbull County, Ohio
Shanks, Royal E. pp. 220-236
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Dates of Receipt of the Ohio Journal of Science in the Ohio State University Library
Miller, Ethel Melsheimer p. 236
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Fish Population of Buckeye Lake as Determined by Trap Nets
Roach, Lee S. pp. 237-245
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Book Notices
p. 245
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The Challenge to the Young Scientist
Johnson, E. H. pp. 246-250
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Book Notices
p. 250
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Additions to the Algae of the West End of Lake Erie
Taft, Clarence E. pp. 251-256
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Index of Volume XLII
pp. 257-258
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Back Matter
p. 999
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