Home > Iowa Academy of Science > Journals & Newsletters > Proceedings of the Iowa Academy of Science > Volume 33 (1926) > Annual Issue
Volume 33, Annual Issue (1926)
Front Matter
Title Page - Front Matter p. 1-2
Table of Contents p. 13-19
General Interest Articles
The Address of the President - The Ministry of Science p. 49-57
R. I. Cratty
Research
Comparison of Aerated and Non Aerated Cultures for Nitrogen Fixation Studies by Soils p. 59-63
Lewis W. Erdman and Paul W. LeCornu
The Present Tendencies in the Bacteriological Examination of Water p. 65-79
Jack J. Hinman, Jr.
What Names Should Be Used for the Organisms Producing Nodules on the Roots of Leguminous Plants? p. 81-90
R. E. Buchanan
Preliminary Note on the Sterilization of Seeds of the Leguminosae with Hydrogen Peroxide p. 91-95
Rudger H. Walker and Lewis W. Erdman
Studies on Germination of Trees and Woody Plants, Continued p. 97-119
L. H. Pammel and Charlotte M. King
Further Species Crosses in the Genus Cucurbita p. 120-121
Edward F. Castetter
Paired Ovules of Vallisneria p. 121-124
Robert B. Wylie
Iowa Plant Notes, II p. 125-128
R. I. Cratty
The Taxonomic Value of Style Color in the Genus Antennaria p. 129-130
Helen Nicholson
An Ecological Comparison of Two Types of Woodland (A Preliminary Report) p. 131-134
O. R. Clark
The Prolificness of Some Common Plants p. 135-136
H. E. Jaques
Systematic Botany p. 137-143
B. Shimek
The Effect of Pressure on Chemical Reaction p. 145-150
F. E. Brown
The Transference Numbers and the Degree of Solvation of the Ions of Lithium Chloride in Certain Alcohols p. 151-164
J. N. Pearce and W. G. Eversole
Water Softening in the Home p. 165-168
Edward Bartow
Some Investigation of the Ethanol Carbontetrachloride System p. 169-169
S. Fred Calhoun and Thos. C. Poulter
Removal of a Common Source of Trouble in Hydrogen Ion Measurements p. 169-169
Stephen Popoff and A. H. Kunz
A Valence-Name-Formula-Solubility Chart p. 170-170
G. N. Quam
The Effect of the Addition of Sodium Carbonate and Sodium Silicate on the Casting Properties of Clay Slip p. 170-170
F. E. Brown and Chi-fang Lai
The Graphitizing Behavior of Iron Carbide in Pure Iron Carbon Alloys for the Temperature Interval 700 to 1100 C p. 171-172
Harry Parker Evans and Anson Hays
A Continuous Reading Electro-Titration Apparatus p. 172-172
Stephen Popoff and J. Hildebrand
The Dissociation of Some Organic and Inorganic Substances at High Temperature p. 172-173
Gladys M. Woods and Thos. C. Poulter
Catalysts and Activated Magnesium in the Preparation of Grignard Reagents p. 173-174
Henry Gilman and J. Merriam Peterson
The Utilization of Cob Char as a Carburizing Agent p. 174-174
H. L. Maxwell
The Phosgeno-Aluminates of Lithium Magnesium Potassium and Lead. Molecular Association in Phosgen solutions p. 174-175
D. M. Birosel
New Derivatives of Vanillin p. 175-175
G. Carroll Hilman and O. H. Alderks
Action of Potassium Carbonate on Certain Phenyl Alkyl Ethers p. 175-175
L. Chas. Raiford and D. M. Birosel
The Eradication of the Canadian Thistle through the Action of Concentrated Sulfuric Acid p. 176-176
Harry F. Lewis
Butler's Landing Outlier and Its Fossil Flora p. 177-178
John E. Adams
The Bone Deposit at Cherokee p. 179-182
E. J. Cable
Anticlines of the State of Iowa p. 183-198
Glenn S. Dille
Some Observations on Undertow p. 199-201
A. L. Lugn
Some Recent Finds of Remains of the Extinct Ground Sloth in Southwest Iowa p. 203-205
Fred Delavan
A Reconsideration of the Age of Certain Outliers in Linn and Jackson Counties p. 207-211
W. H. Norton
A Horntail Trilobite from McGregor, Iowa p. 213-218
A. O. Thomas
The Use of Cone-In-Cone Structure for the Purpose of Correlation p. 218-218
A. C. Tester
Water-Table of the Loess p. 219-219
Charles Keyes
Terranal Affinities of Iowa Chalks p. 219-220
Charles Keyes
Taxonomy of Iowa's Glacial Deposits p. 220-220
Charles Keyes
Notes on the Progress of the Physiographic Evolution of Lake Cooper p. 221-221
Ben H. Wilson
The Occurrence of the Brachiopod Bilobites bilobus in the Silurian of Iowa p. 221-222
A. O. Thomas
Proboscidian Remains from Red Oak and Ottumwa, Iowa p. 222-223
A. O. Thomas
Dinosaur Egg Remains from Mongolia p. 223-223
A. O. Thomas
The Solar Surface during the past Five Years a Review of Sunspot Observations Made at Alta Iowa from 1921 to 1925 p. 225-229
David E. Hadden
Relativistic Reflections p. 231-233
Edward S. Allen
The M Series Absorption Spectra of Osmium Iridium and Platinum p. 235-236
R. A. Rogers
Further Evidence of the Effect of Valence and Chemical Combination on the K Limit of Sulphur p. 236-237
R. A. Rogers
A New Type of Photoelectric Colorimeter p. 237-237
D. H. Palmer and Jay W. Woodrow
Effects of Irradiated Oils on Photographic Films p. 238-238
Jay W. Woodrow and A. C. Bailey
The Dielectric Properties of Some Crystals at Radio Frequencies p. 238-239
A. A. Aardal
Thermoelectric Effect in Single Crystal Zinc Wires p. 239-239
E. G. Linder
Notes on the Reversal of the Sodium Line p. 239-240
L. B. Spinney
A New Type of Electromagnetic Wave Meter p. 240-240
Winfield Salisbury
The Moulding Action of Surface Tension on a Free Sheet of Water p. 240-241
L. B. Spinney
A Modification of Lees' Method for the Determination of the Heat Conductivity of a Poor Heat Conductor p. 241-242
Paul C. Oversheet
The Phosphorescence of Fused Quartz p. 242-243
A. C. Bailey
The Toxic Effect of Ultra Violet Radiations upon Yeast and Yeast-Growing Media p. 243-244
A. C. Bailey
A Vacuum Tube Tester for Routine Work Using Alternating Current p. 244-246
P. S. Helmick
Do Students Grades in Physics Correlate with Grades in Other Subjects? p. 246-248
Alice Neff
Optical Constants of Bismuth Crystals in the Ultra-Violet p. 248-248
Florence E. Dix
Magnetic Properties of Thin Films of Iron, Electrolytically Deposited p. 248-249
E. P. T. Tyndall
Potentials of Spark Lines of Mercury vapor p. 249-249
J. A. Eldridge
The Absorption of Moisture by Hard Rubber p. 249-249
Geo. E. Thompson
A Simple Derivation of the Equation for Mean Free Path p. 250-250
George E. Davis
A New Analysis of the Action of Amsler's Polar Planimeter p. 250-251
George E. Davis
A Comparison of Power Output Conical, Hyperbolic and Exponential Trumpets p. 251-251
G. W. Stewart
The Theory of the Two-Way Quincke Tube p. 251-252
G. W. Stewart
Direct Absolute Measurement of Acoustic Impedance p. 252-252
G. W. Stewart
Variation of the Intensity of the Spectral Lines of Mercury with the Velocity of the Exciting Electrons p. 252-253
W. D. Crozier
Electricity and Mechanics p. 253-253
John A. Eldridge
The Scattering of X-Rays by Camphor p. 253-254
Roger M. Morrow
Fourier Analysis of the Flow of Electricity in Flat Plates p. 254-256
C. Leonard Albright
Efficiency of Diffusing Bowls as a Function of the Lamp Wattage p. 256-256
E. C. McCracken
The Status of the Psychogalvanic Reflex in Psychology p. 257-262
Nancy Bayley
The Psychological Appeal of Home Made Playthings p. 263-267
Lovisa C. Wagoner
The Iowa State College Reasoning Test p. 269-273
Thomas F. Vance
The Prediction of Success of Elementary Teachers p. 275-277
J. E. Bathurst
A Preliminary Study of the Nature of Finality in Melody p. 279-282
Ruth Updegraff
The Influence of the Rhetorical Question on Learning p. 283-283
E. O. Finkenbinder and John E. Schalk
A Schematic Classification of General Psychology p. 283-284
Christian A. Ruckmick
The Relation of Mathematics Aptitude to Other Aptitudes p. 284-285
R. D. Sinclair
Cerebral Dominance in Speech p. 285-286
Lee Edward Travis
Predicting Scholastic Success on the Basis of Informational Data p. 286-287
F. K. Shuttleworth
The Diagnosis of Character Types by Visual and Auditory Thresholds p. 287-288
Ronald C. Travis
A Device for Measuring the Degree of Aesthetic Sensitivity p. 288-289
Norman C. Meier
Report on the Food Habits of Citellus tridecemlineatus tridecemlineatus (Mitchill) p. 291-293
F. L. Fitzpatrick
Trapping and Banding Birds at Iowa City during 1925 p. 295-297
Dayton Stoner
Temperature Studies of Lake Okoboji for 1925 p. 299-302
Frank A. Stromsten
A Case of Abnormal Development in Gallus domesticus with Notes on Similar Cases in Other Species p. 303-306
F. L. Fitzpatrick
Winter Birds Records, 1922 to 1926, in Northwestern Iowa p. 307-313
Chas. J. Spiker
Notes of Oxygen Consumption in Turtles Chrysmus marginata belli and Chelydra serpentina Linn p. 315-323
Francis Marsh Baldwin
Origin of Species Eucrangonyx mucronatus p. 325-328
L. S. Ross
Notes on the Internal Morphology of Eucrangonyx mucronatus p. 329-335
L. S. Ross
A Preliminary Survey of May Beetles in Iowa p. 337-339
H. E. Jaques
Vascular Structure of the Kidney in the Snapping and Painted Turtles p. 339-339
Willis De Ryke
A New Host for the Aspidogastrid Trematode, Cotylogaster occidentalis p. 339-339
Harry M. Kelly
A Modern Cataclysm p. 340-340
Harry M. Kelly
Interrupted Hibernation in the Garter Snake p. 340-340
Harry M. Kelly
Differential Characteristics of Lampsilis luteola from Three Adjacent Lakes p. 340-340
Harry M. Kelly
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