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Volume 48, Annual Issue (1941)

Front Matter

General Interest Articles

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In Memoriam - Clarence Preston Gillette; Russia Harris; Murray L. Hutton; Daniel Walter Morehouse; William R. B. Robertson p. 35-47
F. B. Paddock, G. W. Martin, George O. Hendrickson, I. F. Neff, and A. E. Lambert

Article

Research

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Diseases of Potatoes in Iowa p. 133-146
I. E. Melhus, D. R. Shepherd, and Marie A. Corkle

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The Earliest Known Epiphytotic of Rust in Iowa p. 147-157
Maria A. Corkle and I. E. Melhus

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The Developement of an Educational Program in Iowa State Parks p. 139-173
I. E. Melhus, J. L. Fults, and Elizabeth A. White

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The Prolific General Jack Rose p. 175-190
Clark D. Paris and T. J. Maney

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The Earliest Known Epiphytotic of Rust in Iowa (Abstract) p. 192-193
Marie A. Corkle and I. E. Melhus

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Notes on Iowa Plants (Abstract) p. 193-193
Geo. J. Goodman

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The Genus Lysimachia in Iowa (Abstract) p. 193-193
Geo. J. Goodman and P. J. Leyendecker

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The Eocene Vegetation of the Red Desert in Wyoming (Abstract) p. 198-198
L. R. Wilson and R. M. Webster

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Relation of the Structure of Sugars to Their Dissimilation in the Butyl-Acetonic Fermentation p. 213-223
James F. Guymon, L. A. Underkofler, and Ellis I. Fulmer

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Saccharification of Starchy Grain Mashes for Ethonal Fermentation Use of Mold-Amylase Preparations p. 225-231
L. A. Underkofler, Kenneth J. Goering, and G. Warren Buckaloo

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Fermentation Utilization of Cassava. The Buyl-Acetonic Fermentation p. 233-236
Julian Banzon, Ellis I. Fulmer, and L. A. Underkofler

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Simplified Blood Cholesterol Method p. 237-240
T. U. Marron

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Four Hundred Drunken Drivers p. 241-244
T. U. Marron

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A Neutral Sizing Material for Insulating Board (Abstract) p. 245-245
L. K. Arnold and J. B. McLeod

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Pyrrolidine from N-alkyl-N-Chloroureas (Abstract) p. 246-246
George H. Coleman and Glen Alliger

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Action of Thionyl Chloride on Urethanes (Abstract) p. 248-248
H. B. Freyermuth and L. Chas. Raiford

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Unsymmetrical Organoantimony Compounds (Abstract) p. 251-251
L. A. Woods and Henry Gilman

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Measurement of Adsorption Isotherms for Mixed Vapors p. 253-257
H. H. Rowley and W. B. Innes

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Some Observations on the Dropping Mercury Electrode p. 267-271
Wm. C. Oelke and M. Shields

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Copper Content in Various Water Supplies Due to Copper Plumbing (Abstracts) p. 276-276
R. Rupert Kountz and Cheif Water Analyst

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Pleistocene Histroy of Mississippi River (Abstract) p. 296-296
A. C. Trowbridge, A. J. Williams, J. C. Frye, and F. A. Swenson

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A New Proof of a Formula of Kuratowski p. 299-300
E. W. Chittenden

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High Intensity Flash Tube (Abstract) p. 305-306
T. Robert Burnight

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The Elements of Surface Tension (Abstract) p. 307-307
John A. Eldridge

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Resonance in B11 + H1 (Abstract) p. 308-308
James Jacobs and W. B. McLean

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Compact Ionization Chamber-First Stage Unit (Abstract) p. 308-308
W. B. McLean and James Jacobs

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A Preliminary Study of the Visual Field in Athletics p. 331-335
Robert Hobson and M. T. Henderson

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Implementing Recall p. 353-355
H. J. Haverkamp

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An Empirical Study of Compensation p. 357-359
A. R. Lauer and Lualis Uthoff

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Recent Research on Predicting College Success p. 375-382
E. E. Emme and Mary Patterson

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Standards for Research in Personality (Abstract) p. 396-397
Edward Rice and R. H. Sylvester

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The Prediction of Vocational Success p. 399-405
Dewey B. Stuit

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Observation of Colonial Peritrichs (Ciliata; Protoza) of the Okoboji Region p. 417-421
Everett L. Bishop Jr. and Theodore L. Jahn

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A Preliminary List of Pipunculidae (Diptera) of Iowa p. 437-439
Ivan C. Brooks and H. E. Jaques

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Experimental Modification of X-Ray Injury to the Skin of New-Born Rats (Abstract) p. 482-482
J. P. Goodrich, T. C. Evans, and J. C. Slaughter

Back Matter

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Index p. 487-496