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Volume 7, Annual Issue (1899)

Front Matter

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Title Page - Letter of Transmittal p. 3-4
Samuel W. Beyer

General Interest Articles

Research

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Eleodes in Iowa p. 59-60
H. F. Wickham

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Terraces of the Nile Valley p. 111-112
Charles R. Keyes

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A Chemical Study of Butter Increasers p. 120-123
J. B. Weems and F. W. Bouska

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Native Crab Apples and Their Cultivated Varieties p. 123-141
John Craig and H. Harold Hume

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The Genus Salix in Iowa p. 141-154
Carleton R. Ball

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Some Cercosporae of Macon Co., Alabama p. 161-165
George W. Carver

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An Abnormal Fermentation of Bread p. 165-173
C. H. Eckles

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Powdery Mildew of the Apple p. 177-182
L. H. Pammel

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Basidiomycetae of Central Iowa p. 183-187
Alice Ward Hess and Harriet Vandivert

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The Orchidaceae of Iowa p. 187-196
T. J. Fitzpatrick and M. F. L. Fitzpatrick

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The Genus Viburnum in Iowa p. 197-199
T. J. Fitzpatrick and M. F. L. Fitzpatrick

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Klebs-Leoffler Bacillus p. 199-204
Gershom H. Hill

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Trees and Shrubs of Hamilton County p. 204-209
H. A. Mueller

Back Matter

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Index p. 211-212