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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;
G. J. Spencer, W. B. Zuker, Dean C. Stroud, T. Russell Jenness, and James M. Stewart

Research

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The Determination of Small Amounts of Trichloroethylene
Lionel K. Arnold and E. Graham Hollowell

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Positive Transfer as a Factor in Memory
Richard Wellington Husband

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

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Protozoa of Iowa
Fae M. Shawhan, Leland P. Johnson, and Theodore L. Jahn

Back Matter