Home > Iowa Academy of Science > Journals & Newsletters > Proceedings of the Iowa Academy of Science > Volume 22 (1915) > Annual Issue
Volume 22, Annual Issue (1915)
Front Matter
Title Page - Letter of Transmittal p. 1-3
James H. Lees
Table of Contents p. 11-12
General Interest Articles
In Memoriam: Charles Edwin Bessey; David MacMillan Houghtelin p. 11-16
L. H. Pammel and John L. Tilton
Research
The Age of the Terrace South of Des Moines, Iowa p. 233-236
John L. Tilton
The Inheritance of Syndactylism p. 17-17
Henry Albert
The Theory of Binaural Beats - An Experimental Contribution p. 18-18
G. W. Stewart and Harold Stiles
On the Lymphatic System of the Common Rat p. 18-19
Thesle T. Job.
Leaching of the Pleistocene Drifts of Eastern Iowa p. 19-20
Morris M. Leighton
The Native and Cultivated Forest Trees and Shrubs of the Missouri River Basin p. 23-56
L. H. Pammel, G. B. MacDonald, and H. B. Clark
A Comparative Study of the Weeds of Central Iowa, Northern Minnesota and Wisconsin p. 57-59
L. H. Pammel
The Flora of the Rainy River Region p. 60-75
Harriette S. Kellogg
The Flora of the Ledges Region of Boone County, Iowa p. 77-104
William W. Diehl
Early Iowa Locality Records p. 105-119
B. Shimek
The Ecological Histology of Prairie Plants p. 121-126
Ella Shimek
A Hybrid Ragweed p. 127-128
Robert Bradford Wylie
Preliminary Notes on Nectar Production p. 129-131
L. A. Kenoyer
An Anomalous Hickory-Nut p. 133-133
Guy West Wilson
An Exobasidium on Armillaria p. 134-134
Guy West Wilson
Pioneer Plants on a New Levee p. 135-142
Frank E. A. Thone
Flora of the East Slope of the Cascade Mountains, in Crook County, Oregon p. 143-164
Morton E. Peck
An Improved Heating Apparatus for Maintaining Constant Temperatures in Work With Polarimeters and Refactometers p. 165-167
J. N. Pearce
A Convenient Standard Cell p. 169-174
Dieu Ung Huong and J. N. Pearce
The 4-Nitro-5-Methyl-2-Sulphobenzoic Acid and Some of Its Derivatives p. 175-212
William J. Karslake and Perry A. Bond
Some Well Known Building Materials p. 213-215
Nicholas Knight
Acid Potassium and Acid Sodium Phthalates as Standards in Alkalimetry and Acidimetry p. 217-224
W. S. Hendrixson
The First Coal Washing Plant in Iowa p. 225-228
George F. Kay
The Extension of the Wisconsin Drift Southwest from Des Moines p. 229-232
John L. Tilton
The Occurrence of Barite in the Lead and Zinc District of Iowa, Illinios and Wisconsin p. 237-239
W. D. Shipton
The Ste. Genevieve Formation and Its Stratigraphic Relations in Southeastern Iowa p. 241-247
Stuart Weller and Francis M. Van Tuyl
Foundation of Exact Geologic Correlation p. 249-267
Charles Keyes
Remarkable Prairie Synclinorium p. 268-271
Charles Keyes
Contraposed Shore-Lines on Straits of Juan du Fuca p. 272-272
Charles Keyes
The Paleontology and Stratigraphy of the Upper Carboniferous of Iowa p. 273-283
Geo. L. Smith
The Loess of Péczel, Hungary p. 285-288
B. Shimek
A New Crinoid Fauna from Monticello, Iowa p. 289-291
A. O. Thomas
Some Unique Niagaran Cephalopods p. 292-300
A. O. Thomas
A Design for Electrical Regulation of High Temperature Ovens p. 301-302
W. E. Tisdale
Notes on the Production and Some Electrical Properties of Tellurium Crystals p. 303-305
W. E. Tisdale
The Absence of Liberation or Absorption of Electrons during a Change from the Conduction to the Non-conducting State p. 307-310
L. E. Dodd
A Resonance Method for Measuring the Phase Difference of Condensers p. 311-315
H. L. Dodge
The Crystal Phonopticon in its Adaptation to Enable the Blind to Read the Printed Page p. 317-320
F. C. Brown
Notes on Certain Elastic Peculiarities of Phosphor Bronze Wires p. 321-326
L. P. Sieg and A. J. Oehler
A Simple Device for Demonstrating the Tempered Scale p. 327-328
L. B. Spinney
An Attempt to Detect a Change in the Heat Conductivity of a Selenium Crystal with a Change in the Illumination p. 329-332
L. P. Sieg
The Effect of Change of Lamp Voltage on Vision p. 333-336
Wm. Kunerth
Psychology Applied to the Improvement of Control of the Pitch of the Voice in Singing p. 337-338
Carl J. Knock
Psychology Applied to the Measurement of Merit of Advertisements p. 339-340
Harry H. Gould
The Psychogram in Vocational Guidance p. 341-342
Carl E. Seashore
Snakes Swallowing Their Young p. 343-344
E. D. Ball
Notes on Iowa Pentatomoidea p. 347-354
Dayton Stoner
Notes on the Distribution of the Prairie Spotted Skunk in Iowa p. 355-357
B. H. Bailey
The Building and Function of the College Museum p. 358-362
B. H. Bailey
Macroscopic Fuana of a Small Brook p. 363-374
D. M. Brumfiel
Is the Appetite of Swine a Reliable Indication of Physiological Needs? p. 375-403
John M. Evvard
Back Matter
Subject Index; Author Index p. 405-407
