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Volume 24, Annual Issue (1917)

Front Matter

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Title Page p. 1-1

General Interest Articles

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In Memoriam: Arthur G. Smith; Bert H. Bailey p. 17-27
R. P. Baker and S. W. Stookey

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The Address of the President p. 29-32
Geo. W. Stewart

Research

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Bibliography of the Driftless Area p. 67-81
W. D. Shipton

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Post-Kansan Erosion p. 83-85
M. M. Leighton

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Ocheyedan Mound, Osceola County, Iowa p. 101-102
George F. Kay

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A Large Colony of Fossil Coral p. 105-111
A. O. Thomas

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The Origin of the St. Peter Sandstone p. 171-175
Arthur C. Trowbridge

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The X-Ray K-Radiation of Tungsten p. 201-202
Elmer Dershem

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The Thermal Conductivity of Tellurium p. 213-216
Arthur R. Fortsch

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The Stroboscopic Effect p. 221-229
L. E. Dodd

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Precontact Conduction Currents p. 231-234
L. E. Dodd

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Bell's Vireo Studies (Vireo belli Aud.) p. 285-293
Walter W. Bennett

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The Influence of the Male on Litter Sizes p. 305-308
Edward N. Wentworth

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Some New Endoparasites of the Snake p. 315-317
Thesle T. Job.

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Mites Affecting the Poison Oak p. 323-326
H. E. Ewing

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Odonata of Iowa p. 327-333
Lloyd Wells.

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Notes on Some Iowa Rodents p. 353-356
Dayton Stoner

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Some Additional Notes on Pollination of Red Clover p. 357-366
L. H. Pammel and L. A. Kenoyer

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The Germination and Juvenile Forms of Some Oaks p. 367-391
L. H. Pammel and C. M. King

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The White Water Lily of Clear Lake, Iowa p. 449-454
Henry S. Conard

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A picea from the Glacial Drift p. 455-456
Wilbur A. Thomas

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Pioneer Plants on a New Levee. III. p. 457-458
Frank E. A. Thone

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Chlorotic Corn (A Progress Report) p. 459-460
W. H. Davis

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The Use of Iron in Nutrient Solutions for Plants p. 477-482
G. E. Corson and A. L. Bakke

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Some Natural Waters of Central New York p. 485-487
Nicholas Knight and Vernon C. Shippee

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The Dissociation of Double Salts p. 489-499
Harold L. Maxwell and Nicholas Knight

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Waterworks Laboratories p. 501-505
Jack J. Hinman Jr.

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Amino Acid and Micro-Organisms p. 539-545
Arthur W. Dox

Back Matter