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Volume 50, Annual Issue (1943)

Front Matter

General Interest Articles

Research

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Schiaparelli's Shooting Stars
C. C. Wylie and James R. Naiden

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Thirty-Five Iowa Mosses
Henry S. Conard

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The Labiatae of Iowa
Louis Nelson Bass

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A Basin Method of Nut Tree Culture
J. M. Aikman and C. C. Lounsberry

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A Statistical study of Four Mechanical Ability Tests
Justine Bates, Marjorie Wallace, and Mack T. Henderson

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A Study in the Use of a Graphic Rating Scale
Dorothy Akerman, Mary Ellen Worster, and Mack T. Henderson

Back Matter