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Volume 54, Annual Issue (1947)

Front Matter

General Interest Articles

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In Memoriam: Charles McLean Fraser; Raymond A. French; Frank E. Goodell; R. Monroe McKenzie; W. M. McLaughlin; p. 37-46
G. J. Spencer, W. B. Zuker, Dean C. Stroud, T. Russell Jenness, and James M. Stewart

Research

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Dry Heat Sterilization of Wood p. 63-64
George L. Coffey

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A Preliminary Report on the Flora of Southeastern Iowa - Part I p. 107-126
Charles L. Gilly and Malcom E. McDonald

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Pollen Germination in Relation to Group Size p. 127-129
H. W. Beams and R. L. King

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Mechanism of Protein Synthesis p. 155-159
W. E. Loomis

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Linospora Gledistiae in Iowa p. 161-167
E. Robena Luck

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A Recount by Species of the Trees of Mount Pleasant, Iowa p. 173-175
Jean Morrow and H. E. Jaques

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The Determination of Small Amounts of Trichloroethylene p. 181-183
Lionel K. Arnold and E. Graham Hollowell

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Abstract of Paper on Iowa Coals p. 185-187
S. W. Hockett

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Solvent Extraction of Soybean Oil by Mixtures of Trichloroethylene and Ethyl Alcohol p. 189-197
S. G. Measamer, O. R. Sweeney, and L. K. Arnold

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On the General Theory of Functions p. 207-210
E. W. Chittenden

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An Interesting Case of Undercooling p. 211-213
Earl C. McCracken

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Co-Variation of Cynicism and Idealism p. 231-234
Martin F. Fritz

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Positive Transfer as a Factor in Memory p. 235-238
Richard Wellington Husband

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Improvement of Test Criteria p. 239-241
A. R. Lauer

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Certain Factors Affecting the Legibility of Stop Signs p. 243-245
A. R. Lauer and L. F. Embree

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The Relation Between Ocular Dominance, Handidness, and Visual Acuity p. 263-265
Edward C. Palmer, Marjorie Seiser, and A. R. Lauer

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The American Egret in Iowa p. 317-323
James Hodges

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An Ant Colony which Moved over Two Hundred Feet p. 349-352
R. M. Sallee and R. L. King

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Protozoa of Iowa p. 353-367
Fae M. Shawhan, Leland P. Johnson, and Theodore L. Jahn

Back Matter

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Index p. 389-393