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Volume 53, Annual Issue (1946)

Front Matter

General Interest Articles

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Iowa's First Prairie Preserve p. 41-43
Mrs. Addison Parker

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In Memoriam: Henry Lane Bruner; Lowell Holbrook Chamberlain; Clyde W. Emmons; Annie Wilson Fleming; William Headrick Gemmill; Thomas J. Maney; Florence Willey Nichols; Henry Waldo Norris; Charles Dana Reed p. 83-108
Nathan E. Pearson, O. R. Sweeney, Gertrude A. Herr, Helen F. Smith, Earle D. Ross, H. H. Plagge, Ada Hayden, Henry S. Conard, and Lyle R. Fletcher

Research

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An Ice-Push Ridge p. 121-122
W. A. Anderson

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Weed Control by Means of Chemicals p. 123-135
A. L. Bakke

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New Reports of Iowa Fungi. II p. 137-140
Horace L. Barnett

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Phenology of Mosses In Iowa p. 141-146
Henry S. Conard

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Illustrations of the Fleshy Fungi of Iowa p. 147-151
Joseph C. Gilman

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The Asters of Iowa p. 153-166
Gertrude E. Kellogg

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Pollen of Iowa Honey p. 175-177
S. M. Pattee

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The Progeny of La France, the First Hybrid Tea p. 179-188
Clark D. Paris and T. J. Maney

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Culturing Myxomycetet Plasmodia for Classroom Use p. 191-193
Margaret Barton Timnick

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Conduction in Dicotyledon Leaves p. 195-202
Robert B. Wylie

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The Addition of Amines to Ethylenimine p. 207-209
Zella A. Hicks and George H. Coleman

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Recent Developments in The Wisconsin-Illinois-Iowa Lead-Zinc District p. 225-231
Allen F. Agnew and Allen V. Heyl Jr.

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Techniques Used for Improving Visual Efficiency p. 263-268
Robert Allbaugh and Charles Miller

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A Test Study of Cynicism and Idealism p. 269-272
Martin F. Fritz

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Trends in High School Science Teaching p. 295-298
Paul E. Kambly

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Swine Brucellosis: Results of Vaccination Experiment p. 307-311
S. H. McNutt and T. S. Leith

Back Matter

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Index p. 321-324