Front Matter
p. 0
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A Study of Temperatures in the Valley of Ten Thousand Smokes (Part VIII in Series)
Sayre, Jasper D.; Hagelberger, Paul R. pp. 249-278
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A Key to the Species of Wisconsin Ants, with Notes on Their Habits
Burrill, A. C.; Smith , M. R. pp. 279-292
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Additions to the Catalog of Ohio Vascular Plants for 1918
Schaffner, John H. pp. 293-298
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Asclepiadora Viridis in Ohio
Griggs, Robert F. p. 299-299
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Back Matter
p. 999
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