Proceedings of the Iowa Academy of Science | Vol 31 | No. 1
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Volume 31, Annual Issue (1924)

Front Matter

General Interest Articles

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In Memoriam: Archelaus G. Field p. 36-41
Charles Keyes and L. H. Pammel

Research

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Bios, a Resumé p. 95-96
Ellis I. Fulmer

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A Suggested Classification for Bacteriological Media p. 101-105
Henry W. Schoenlein Jr.

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Production of Hydrogen Sulphide by Members of the Colon Group of Bacteria p. 119-122
Frederick W. Mulsow and Frederick S. Paine

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Quercitron Oak and Its Relation to Soils p. 129-129
Raymond J. Becraft

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Species Crosses in the Genus Cucurbita p. 130-130
Edward F. Castetter

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Tropograph and Flectograph p. 132-132
W. J. Himmel

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Inheritance of Carbohydrates and Fat in Corn p. 133-133
E. W. Lindstrom and F. Gerhardt

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Hybrid Oaks in Iowa p. 134-134
B. Shimek

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Water Conduction in Apple Trees Affected with Crown Gall p. 143-147
J. H. Muncie and Christine Berkhout

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Drainage in Iowa p. 149-155
B. Shimek

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Further Studies of the Germination of Woody Plants p. 157-167
L. H. Pammel and C. M. King

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The Physiology of Growth p. 175-182
Clifford H. Farr

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Iowa Plant Notes p. 189-192
R. I. Cratty

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The Polyporaceae of Iowa p. 193-204
Robert E. Fennell

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The Genus Rumex in Iowa p. 213-216
R. I. Cratty

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The Uredinales (Rusts) of Iowa p. 229-255
J. C. Arthur

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Viability Tests of Seeds of Different Ages p. 257-264
Charlotte M. King

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Lilium michiganense Farw. in Iowa p. 265-270
Wier R. Mills

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Some Winter Flowering Plants p. 271-274
R. W. Poulter

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Some Observations on the Effect of Iodine Administration upon Sheep p. 278-278
John M. Evvard, Alvin R. Lamb, and W. G. Gaessler

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Structural Evidences of an Iron-Carbon Eutectoid p. 278-278
H. E. Flanders and Anson Hayes

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Adsorption from Salt Solutions by Colloidal Copper Ferrocyanide p. 279-279
Mikkel Frankert and J. A. Wilkinson

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Possible Uses of Waste Chlorine p. 281-282
Jack Hussey and O. R. Sweeney

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Conclusions in Regard to the Methylation of Phenol p. 282-282
Harry F. Lewis and Wesley Trieschmann

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Note on the Hydrolysis of Nitrobenzene p. 282-283
H. F. Lewis and G. W. Thiessen

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Chemical Engineering and Agriculture p. 284-284
Julian E. Mac Farland

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Magnesia Crucibles in an Arc Furance p. 285-285
Edmond E. Moore and Anson Hayes

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Relation of Starch to the Strength of Wheat Flour p. 285-286
G. G. Naudain and J. H. Buchanan

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Metabolism and Vitamin A p. 286-286
V. E. Nelson and C. M. McCay

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Some Recent Studies Concerning Organometallic Compounds p. 286-287
H. H. Parker, F. Schulze, W. B. King, J. M. Peterson, and H. Gilman

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The Bleaching of Soy Bean Oil with Peat p. 288-288
H. V. Wright and G. A. Peirce

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Method of Preparing Silica Absorbents p. 290-290
O. R. Sweeney, Frederic D. Pfeffer, and Arthur L. Redstone

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Iodine, a Factor in Feeding Young Growing Swine p. 309-317
John M. Evvard and C. C. Culbertson

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Substances in Rain and Snow p. 325-326
Nicholas Knight

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Ascent of Mt. Namosi, Fiji p. 331-331
Waldo S. Glock

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Beginnings of Desert in Iowa p. 332-333
Charles Keyes

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Notes on the Geology of Jackson County, Iowa p. 341-345
H. S. Ladd and Maquoketa Shale

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The Fuana of the State Quarry Beds p. 353-363
M. A. Stainbrook and H. S. Ladd

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The Deep Water-Well at Brighton p. 365-367
J. M. Lindly

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A New Interpolation Formula p. 369-371
John F. Reilly

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Phenomena of Cathode Sputtering p. 375-375
K. V. Manning

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Is Iowa Getting Wetter or Drier? p. 377-377
Charles D. Reed

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Theory of Megaphones and Receiving Horns p. 381-382
G. W. Stewart and G. R. Butz

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A Note on Daylight Requirement p. 387-388
Wm. Kunerth

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New Measurements in the Process of Reading p. 403-404
E. O. Finkenbinder

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The Effect of Vitamin Deficiency on Blood Pressure in Rats p. 417-417
H. B. Cook and F. M. Baldwin

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Snake Notes p. 417-418
J. E. Guthrie

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Birds of Wapello County, Iowa p. 419-426
Chas. J. Spiker

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Keeping Iowa's Waters Pure p. 431-435
George Bennett

Back Matter

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Index p. 455-467

Editors

Editor
James H. Lees
Chairmen of Sections
J. N. Martin, Botany
Anson Hayes, Chemistry
E. J. Cable, Geology
F. M. McGaw, Mathematics
J. W. Woodrow, Physics
F. M. Baldwin, Zoology