Home > Iowa Academy of Science > Journals & Newsletters > Proceedings of the Iowa Academy of Science > Volume 42 (1935) > Annual Issue
Volume 42, Annual Issue (1935)
Front Matter
Table of Contents p. 3-7
General Interest Articles
In Memoriam: Wesley Greene; Clyde E. Ehinger; Joseph Edward Guthrie p. 19-24
A. T. Erwin and Frank C. Pellett
The Address of the President: This Changing World p. 27-34
Edward Bartow
Research
Legal Relationships of Trees and Shrubs in Iowa p. 35-43
H. D. Harrington
Host Plants of Cuscuta glomerata p. 45-47
H. L. Dean
The Distribution and Life History of the Trillium nivale Riddell p. 49-54
John N. Martin
Preliminary Investigation of the Occurrence and Distribution of Azotobacter on the Soils in Iowa p. 55-61
William P. Martin and R. H. Walker
A Photoelectric Colorimeter: Its Application in the Measurement of the Concentration of Colored Substances in Solution p. 63-66
F. M. Turrell and Louis Waldbauer
A Bibliography on the Use of Photoelectric Cells in Plant Investigations p. 67-70
F. M. Turrell and Louis Waldbauer
Additions to the Lichen Flora of Emmet County p. 71-71
B. O. Wolden
The Fate of Acetylmethylcarbinol and Diacetyl in Dairy Products p. 73-76
G. L. Stahly, B. W. Hammer, M. B. Michaelian, and C. H. Werkman
The Effect of Sodium Nitrate and Water Applications to Apple Trees Suffering from Drouth on Some Chemical Constituents of the Fruit p. 77-79
H. H. Plagge
A Study of the Retting of Ramie p. 81-82
Harold A. Wilson
Structure of the Libriform Fibers in the Roots and Crowns of Alfalfa and Sweet Clover p. 82-82
John N. Martin
The Germination of Sweet Clover and Alfalfa Seed in Relation to Various Conditions of Temperature and Moisture p. 82-83
John N. Martin
The Multinucleate Condition in Maize and its Probable Relation to the X Bodies Associated with Mosaic Diseases p. 83-83
John N. Martin
Diagnosing the Phosphorus Needs of Soils by Biological Methods p. 85-87
F. B. Smith, P. E. Brown, and H. C. Millar
The Numbers of Nitrosomonas in Some Variously Treated Iowa Soils p. 89-89
R. H. Walker, A. A. Klingebiel, and L. M. Greiner
A Growth Factor for Rhizobia p. 89-90
D. W. Thorne and R. H. Walker
Self-Parasitism in Achlya racemosa Hildb. p. 90-90
Myrle M. Burk
Deposit of Silica in Acer saccharinum L. p. 90-90
Myrle M. Burk
Nutritional Physiology of Certain Dioecious Plants p. 90-90
W. F. Loehwing and L. C. Bauguess
A Flora of Winneshiek and Allamakee Counties p. 91-91
W. L. Tolstead
Life History of Two Plastic Species of Polygonum; Their Economic Role p. 91-91
Ada Hayden
Fungi Associated with Tree Cankers in Iowa: II. Diaporthe, Apioporthe, Pseudovalsa and Their Related Conidial Stages p. 92-92
Joseph C. Gilman and G. L. McNew
Alegria - A Popping Seed Used in Mexico as a Substitute for Pop Corn p. 92-92
A. T. Erwin
Spores of the Genus Selaginella in the United States p. 92-92
Roger M. Reeve
The Nuclear Cycle and Sexuality of Trametes peckii p. 93-93
J. E. Sass
Chromosome Behavior in the Species Cross Lycopersicum esculentum X L. pimpinellifolium p. 93-94
L. M. Humphrey
The Partial Molal Volumes of Potassium Salts of Certain Organic Acids at 25°C p. 95-98
Irwin H. Parrill
The Relative Solubility of Soil Phosphorus in Different Solvents p. 99-102
H. C. Millar, F. B. Smith, and P. E. Brown
The Composition of Inorganic Colloids Extracted from Three Iowa Soils p. 103-104
H. C. Dean, F. B. Smith, and P. E. Brown
The Nitrogen, Phosphorus and Organic Carbon Content of Iowa Soils p. 105-106
P. E. Brown and R. H. Walker
A Comparison of Glass and Quinhydrone Electrodes for Determining the pH of Some Iowa Soils p. 105-106
Harold L. Dean and R. H. Walker
Qualitative Analysis without Hydrogen Sulfide p. 106-106
Jacob Cornog and Lothrop Smith
Further Studies on Lactation and Rearing of Young p. 107-112
J. F. Feaster and Victor E. Nelson
Effect of Fluorides on Some Organic Constituents of Blood and Physical Measurements of Bone p. 113-118
D. A. Greenwood, C. A. Kempf, and V. E. Nelson
The Reaction of Potassium Amide in Liquid Ammonia with Diarylbromethenes p. 119-119
George H. Coleman and William H. Host
Hydroxyfurans and Their Biological Significance p. 119-119
W. F. Hoehn, C. H. Werkman, and H. Gilman
Benzenesulfinic Acid and Some of Its Derivatives p. 120-120
Stewart E. Hazlet and L. Chas. Raiford
The Hydrolysis of Silk Fibroin by Steam p. 120-120
Eunice Walde and Rachel Edgar
The Alkaline Mercerization of Wool p. 121-121
Mildred Barr and Rachel Edgar
Oxidation of Pyrazolines Obtained from Unsymmetrical Dibenzalacetones p. 121-121
Ralph H. Manley and L. Chas. Raiford
Heavy Water Obtained by the Combustion of Dried Biological Specimens p. 122-122
H. L. Keil, A. W. Ralston, M. T. Kelley, W. E. Catlin, W. H. Jennings, J. Straley, and H. Gilman
Addition of Chloroamines to Ketenes p. 122-123
George H. Coleman and Rolf L. Peterson
Condensation of P-Dimethylaminobenzaldehyde with Vanillalacetone Substitution Products p. 124-124
Margaret M. Cooper and L. Chas. Raiford
The Action of Hydrogen Peroxide on Glycolic Acid p. 124-125
Harry Shipley Fry and Kenneth L. Milstead
An Osage Area North of Mount Pleasant, Henry County, Iowa p. 127-132
L. W. Wood
Teleseismic Recording in Iowa p. 133-138
Mrs. M. M. Seeburger
A Nipissing Flora of the Apostle Islands Region of Wisconsin p. 138-138
L. R. Wilson
The Influence of the French Revolution on Mathematics p. 139-146
Helen F. Smith
A Short Solution of the Diophantine Equation 2x^4 - Y^4 = Z^2 p. 147-148
J. S. Turner
A Physical Apparatus for the Determination of the Circulation Time of the Blood in Dogs p. 149-149
E. C. McCracken
The Circulation Time of the Blood in Dogs before and during the Digestion of Food p. 149-150
E. C. McCracken
The Effects of Some Physical and Chemical Factors in the Circulation Time of the Blood in Dogs p. 150-151
E. C. McCracken
An Inexpensive Direct Current Amplifier p. 151-151
R. D. Huntoon
A Further Study of Color Discrimination of Color-Blind Subjects p. 151-152
A. A. Benedict
The Scattering of Potassium Ions in Mercury Vapor p. 152-152
Arthur Rouse
The Zernike and Prins Method of Computing X-ray Diffraction Intensities in Liquids p. 152-153
Donald O. Holland and G. W. Stewart
The Liquid Crystalline and Isotropic States with Special Reference to Para Azoxyanisol p. 153-153
G. W. Stewart and H. R. Letner
The Limitations of Present Computative Methods of Studying Liquid Structure p. 154-154
George A. Boyd
An Investigation of the Formation and Excitation of the Mercury Hydride Molecule through Resonance Radiation p. 154-154
Leonard O. Olsen
An Unusual Appearance of the Cyanogen Bands p. 154-155
Leonard O. Olsen
Mean Free Paths of Gas Molecules in Mercury Vapor p. 155-155
John A. Eldridge
X-Ray Ionization Chamber Materials p. 155-156
J. Norvel Sayler
Simple Lecture Experiments in a Course on Modern Physics p. 156-156
John A. Eldridge
Some Laboratory Experiments That Can Be Better Performed in the Library p. 156-156
C. J. Lapp
On the Effectiveness of Lecture Demonstrations p. 156-157
C. J. Lapp
Operating Characteristics of Vapor-Type Vacuum Pumps p. 157-157
L. E. Pinney
Photocells for Laboratory Use p. 157-157
L. E. Pinney
A Study of Individualized Instruction at the College Level p. 159-166
Daniel D. Feder
Motivation and Learning: Some Studies of the Phenomenon of Differential Motivational Control of the Utilization of Habits p. 167-167
Robert Leeper
Variations Electrical Resistance of the Skin in Newborn Infants p. 167-168
M. A. Wenger and O. C. Irwin
Effect of Induced Manual Handicaps on Motor Performance of a Complex Nature p. 168-169
LaVerne Johnson and A. R. Lauer
New Apparatus for the Measurement of the Electro Dermal Response p. 169-169
D. U. Greenwald
The Performance of Adults of Various Grade Levels on Specific Mental Functions p. 170-170
Lyle K. Henry and Arthur L. Snodgrass
A Study of Emotional Conflict on Delinquent and Non-Delinquent Boys p. 170-171
H. Max Houtchens
Visual Factors in Space Perception p. 171-171
Earl Allgaier
A Study of Student Reading p. 171-173
A. R. Lauer
An Experimental Study of the Developmental Processes in Art Appreciation p. 173-173
Mildred Dow Voss
Betts' Physiological Approach to the Analysis of Reading Disabilities as Applied to the College Level p. 174-174
Donald E. Swanson
Prognostication of College Marks by Rests of Intelligence and of High School Content p. 174-175
Willis J. Bell
A Study of the Process of Word Discrimination in Individuals Beginning to Read p. 175-175
Mary Buffum Hill
Simultaneous Records of Gastric and Bodily Movements of Puppies p. 176-176
Richard Holcomb and T. W. Richards
The Reliability of the Psychoneurotic Inventory with Delinquent Boys p. 176-176
Harold M. Williams, Newell C. Kephart, and H. Max Houtchens
A Preliminary Report on an Attempt to Obtain Objective Evidence of the Type of Thought Employed in Problem Solving p. 177-177
M. R. Jones
A Revised List of the Orthoptera of Iowa p. 179-184
Herbert Knutson and H. E. Jaques
A Preliminary List of the Neuroptera of Iowa p. 185-187
H. E. Jaques
Iowa's Artificial Lakes p. 189-197
W. W. Aitken
Structural Features of the Brain of Lepidosteus p. 199-202
Carrie C. Gillaspy
The Myelencephalic Gland of Lepidosteus (osseus and platostomus) and Its Relationship to the Semicircular Canals p. 203-206
Carrie C. Gillaspy
An Inquiry Concerning the Success of Marine Aquaria in Iowa Schools p. 207-207
Amy Elizabeth Blagg
Some Embryonic Abnormalities Caused by X-Rays p. 207-208
Titus C. Evans
Embryology and Anatomy of Iowa Hawks with Special Reference to the Reproductive System p. 208-208
Allan J. Stanley
Modifications Induced in the Plumage of Passer Domesticus (linnaeus) by Experimental Hyperthyroidism p. 208-209
Dorothea Starbuck Miller
Metabolic Rate in Relation to Sex in Amphibia (Triturus torosus) p. 210-210
Irvin A. Wills
An Ameba-Like Parasite of Grasshoppers p. 210-210
R. L. King and A. B. Taylor
Enzymes in Ontogenesis (orthoptera): I. Tyrosinase p. 210-211
J. H. Bodine and E. J. Boell
Identification of Hydrazones and Isomeric Pyrazolines Obtained from α, ß-Unsaturated Ketones p. 123-124
Walter J. Peterson and L. Chas. Raiford
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