Home > Iowa Academy of Science > Journals & Newsletters > Proceedings of the Iowa Academy of Science > Volume 45 (1938) > Annual Issue
Volume 45, Annual Issue (1938)
Front Matter
Table of Contents p. 15-18
General Interest Articles
In Memoriam: Charles L. Robbins; Percy Edgar Brown; Richard Philip Baker; Erwin Oliver Finkenbinder; Charlotte M. King p. 31-40
B. J. Firkins
The Address of the President: Water Problems p. 43-51
Arthur C. Trowbridge
Science and Society (Academy Address) p. 53-62
Charles E. Friley
Research
One Hundred Iowa Mosses p. 63-68
Henry S. Conard
The Fir Forests of Iowa p. 69-72
Henry S. Conard
The Oldest Iowa Tree p. 73-74
W. A. Anderson
Some Features in the Life History of Amphicarpa Bracteata (L.) Fernald (Hog Peanut) p. 75-88
John N. Martin
Notes on Parasitic Seed Plants with Reference to Cuscuta p. 89-94
Henry Lee Dean
Fruit Hypertrophy Caused by Cuscuta p. 95-97
Henry Lee Dean
The Microfossils of Two Eocene Coal Deposits in Wyoming p. 99-99
L. R. Wilson
Some Cytological Details of Ceresan Poisoning in Seedlings p. 99-99
J. E. Sass
Further Studies of Non-Nuclear Structures in the Basidium p. 99-100
J. E. Sass
Soil Moisture Relationship of the European Bindweed (Convolvulus Arvensis L.) p. 100-100
A. L. Bakke
Forest and Soil Studies in Southern Iowa p. 100-100
J. A. Larson and Richard J. Dillworth
The Single Precipitation of Calcium Oxalate in the Presence of Magnesium p. 101-104
Richard G. Kadesch and R. W. Getchell
A Portable Drop-Reaction Kit
Philip W. West and Lothrop Smith
α, ß - Unsaturated Ketones Obtained From Acetophenone and Their Reaction with Phenylyhydrazine p. 111-113
L. Chas. Raiford and Glen V. Gundy
Blood Sugar Changes in the Rat Produced by Salt of Beryllium, Magnesium, and Zinc with Some Observations on Hemoglobin and Red Blood Corpuscles p. 115-121
W. R. Sutton and Victor E. Nelson
Preparation of Acetic Esters of Some Higher Alcohols p. 123-125
John W. Swanson and James Coss
The Effects of Substituents on the Reactions of Certain Vanillin Derivatives p. 127-132
Otto Nitz and L. Chas. Raiford
High Molecular Weight, Normal and Branched Aliphatic Compounds p. 133-133
Fred Hoyt and Henry Gilman
Ethynylmetallic and Substituted Ethynylmetallic Reactions in Various Solvents p. 133-133
Miles R. McCorkle and Henry Gilman
The Microfauna of the Sully Member of the Pierre p. 135-137
Walter V. Searight
Mississippian Section Near Webster City, Iowa p. 139-141
Lyman W. Wood
Pennsylvanian Section at Crescent, and Logan, Iowa p. 143-147
Lyman W. Wood
Ancient Man in America -- Does His Culture Exist in the State? p. 149-162
William E. Sanders
Sandstone of Des Moines Age in Fayette Breccia at Robins, Iowa p. 163-163
S. W. Stookey
Master Drainage During Deglaciation p. 163-164
Charles Keyes
Chronologic Setting of Des Moines Coal Measures p. 164-165
Charles Keyes
Possible Representation of Guadalupan Series of Iowa p. 165-166
Charles Keyes
Stylolites in the Burlington Limestone near Kinderhook, Illinois p. 166-167
John C. Frye and Ellis H. Scobey
Generalization of the Theorem of Leibniz p. 169-171
Fred Robertson
Increasing Realism in the Physics Laboratory p. 173-174
Roger M. Morrow
Wet Thermojunctions for Measuring Relative Humidity p. 175-178
L. A. Richards
Heat of Wetting of Soils p. 179-185
M. B. Russell and L. A. Richards
Correspondence of Change of Structure of Water with the Change of Apparent Volumes of Ions in Solution p. 187-187
G. W. Stewart and James A. Jacobs
The Insufficieny of the Electrostatic Explanation of Change of the Apparent Ionic Molal Volume with Concentration in an Aqueous Solution p. 188-188
G. W. Stewart
The Swarm Structure of the Liquid Crystal, Para-Azoxyanisol p. 189-189
R. C. Davis and G. W. Stewart
Psycho-Physical Analysis of the Betts Visual Acuity Test p. 191-194
H. C. Schepler
Fundamental Dimensions and Electrical Units p. 195-196
John A. Eldridge
Purposive Teaching of High School Physics p. 199-203
Simeon M. Hickman
An Experiment in the Teaching of Industrial Physics p. 205-206
M. E. Graber
Student Opinion of Examinations p. 206-207
Russell D. Miller
Several Simple Lecture Experiments p. 207-207
John A. Eldridge
Elasticity of Lead Crystals p. 207-207
Andrew F. Deming
Some Properties of Single Crystals of Beta Brass p. 207-208
Wayne Webb
Fine Grain Photographic Development p. 208-208
George C. Higgins
Hygroscopicity as a Factor in the Thermal Conductivity of Loose-Fill Insulators p. 207-208
H. Stiles and H. E. Ruff
A Gas-Type X-Ray Tube p. 239-239
L. E. Pinney
Parsons College Physics Museum p. 239-239
E. Hobart Collins
Charts and Pictures as Aids in Teaching Students to Use Identification Keys p. 211-212
H. E. Jacques
Use of the Laboratory in Science Teaching p. 213-217
F. G. Brooks
A Survey Course in the Biological Sciences p. 218-218
C. W. Lantz
An Experiment in Survey Science p. 219-224
R. W. Getchell
Some Factors Affecting Achievement in Physics in a Survey Course in the Physical Sciences p. 225-225
W. H. Kadesch
A Study of the Learning Effectiveness of a Sound Motion Picture, Electrodynamics, in College Physics p. 225-226
C. J. Lapp
A Suggestion for the Teaching of Electrical Potential p. 226-226
C. J. Lapp
An Analysis of the Implications and Reference of the Word "Intelligence" p. 227-230
C. E. Tuthill
The Content of the Beginning Course in Psychology p. 231-237
Earle E. Emme
An Objective Experiment with a Clairvoyant (Mind-Readers) p. 239-245
E. Emme
Techniques in Studying the Effect of Self-Support Upon the Grades of College Students p. 247-249
Dwane R. Collins
A Preliminary Investigation of the Validity of the Emme Home Adjustment Scale p. 251-254
Lyle K. Henry
The Effects of Using a Syllabus on Grade Averages in Elementary Psychology p. 255-258
L. K. Henry and A. R. Lauer
Concerning the Establishment of a Criterion and Certain Incidental Points Relations to Validity Coefficients p. 259-262
A. R. Lauer
The Phenomenon of "Increased" Bone Conduction p. 263-264
Noble H. Kelley
The Mental Development of Children of the Same IQ in Differing Institutional Environments p. 265-269
Orlo L. Crissey
Effects of Visual and Auditory Stimuli on the Brain Waves p. 271-273
Betty Martinson
Visual Acuity Measurements with the Betts Test Cards p. 275-276
H. C. Schepler
A New Attitude Scale on Religion and Ethics p. 277-277
Leigh C. Douglass and Fred Eisen
Psychic and Hypnotic Effects on Gastric Motility in Man p. 277-278
R. E. Scantlebury
Predicting Success in Teaching p. 278-278
Wm. H. Batson
Interests and Personaloty Traits of Undergraduate Students in Relation to Their Success or Failure in the Study of Psychology p. 279-279
Leigh C. Douglass and Janet Day
A Preliminary List of the Dolichopidae of Iowa p. 281-282
Bernard G. Berger and H. E. Jaques
A Preliminary list of the Tetanoceridae of Iowa p. 283-283
H. E. Jaques
Progress Report on a Survey of the Spiders of Iowa p. 285-287
Karl A. Stiles and Beulah Detwiler
Late Fall and Winter Bird Records, 1930 to 1938, in the Upper Missouri Valley p. 289-297
Wilfred D. Crabb
A Study of Copulation and the Formation of Spermatophores in Melanoplus differentialis p. 299-308
George Kyl
Hereditary Fusion of the Proximal Phalandeal Joints p. 309-309
Karl A. Stiles and Robert A. Weber
The Cause of the Red-Green Color Change in Euglena Rubra p. 309-310
Leland P. Johnson and Theodore L. Jahn
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