Home > Iowa Academy of Science > Journals & Newsletters > Proceedings of the Iowa Academy of Science > Volume 41 (1934) > Annual Issue
Volume 41, Annual Issue (1934)
Front Matter
Table of Contents p. 17-21
General Interest Articles
In Memoriam: Thomas Huston Macbride; Henry Fredrick Wickham; Herbert Grant Campbell; Omar E. Lowman; Floyd August Nagler p. 33-46
B. Shimek, Frank A. Stromsten, T. C. Stephens, R. M. Hixon, F. E. Brown, and S. M. Woodward
The Address of the President - Science and the Future p. 49-61
E. J. Cable
Research
Some Factors Influencing the Respiration of Rhizobium p. 63-70
D. Wynne Thorne and R. H. Walker
Stomatal Count of a Single Leaf of Colocasia p. 71-73
John A. Yarbrough
Fermentation of Artichokes p. 75-78
Howard Reynolds and C. H. Werkman
Leaf Surface of a Twenty-one-year old Catalpa Tree p. 79-84
Franklin M. Turrell
Trials with a Bacteriological Method For Measuring Available Phosphorus in Soils p. 85-88
F. B. Smith, P. E. Brown, and C. C. Mensing
The Effect of Low Temperature on the Germination and Survival of Native Oaks p. 89-93
J. M. Aikman
Origin and Development of the Vascular Bundle of Zea mays L. p. 95-96
Arthur L. Hershey
Notes on Iowa Mosses - VI p. 97-102
Lucy M. Cavanagh
Some Methods of Labeling Nature Trails p. 103-104
John Moore
The Mosses of Southwestern Iowa p. 105-106
Geneva Sayre and H. S. Conard
A Twenty Years Phenological Record of the Spring Flowering Plants of Henry County p. 107-108
Ellsworth Dodds and H. E. Jaques
Shortening the Rest Period of the Tubers of the Jerusalem Artichoke, Helianthus tuberosus L. p. 111-111
E. S. Haber
The Foliar Embryos of Tolmiea Menziesii p. 111-111
John A, Yarbrough
Some Similarities of Nuclear Organization in the Basidium and the Animal Spermatocyte p. 112-112
J. E. Sass
Notes on the Life History of Aphanizomenon flos-aquae p. 112-112
E. T. Rose
The Basidium p. 112-113
Donald P. Rogers
On the Significance of the Minor Venation of Foliage Leaves p. 113-113
Robert B. Wylie
Scotch Pine (Pinus sylvestris) as a Member of the Iowa Flora p. 113-114
Guy West Wilson
Inheritance of Fruit Shapes and Sizes in the Pepper and Tomato p. 114-114
E. W. Lindstrom
A Variant Quercus alba L. p. 114-114
J. N. Martin
The Distribution and Life History of Trillium nivale Riddell p. 115-115
J. N. Martin
Plant cover Map of the Lake Wapello Watershed, David County, Iowa p. 115-115
Albert F. Dodge
The Significance of Carbon Dioxide in Making Phosphorus Available in the Soil p. 117-121
H. C. Miller and F. B. Smith
The Heat Capacity and the Free Energy Formation of Naphthalene p. 123-126
J. N. Pearce and W. B. Tanner
A Comparison of Different Types of Glass Electrode for Determining the pH of Soils p. 127-132
Harold L. Dean and R. H. Walker
Is There a Deficiency of Available Potassium in So-Called Alkali Soils of Iowa? p. 133-137
Hartzell C. Dean
The Influence of Salts on the Velocity of Inversion of Sucrose at 25° p. 139-139
J. N. Pearce and Margaret Thomas
The Chemical Bond in General Chemistry p. 139-139
Ben H. Peterson
The Thermal Decomposition of Hexane at High Pressures p. 139-140
J. N. Pearce and J. W. Newsome
The Adsorption of Certain Ketones and Esters by Activated Charcoal p. 140-141
J. N. Pearce and A. C. Hanson
Some Observations of the Boiling Point of Ternary Liquid Mixtures p. 141-141
John Dunham and W. C. Oelke
The Use of Electron Tubes as Super-Sensitive Relays p. 141-141
W. C. Oelke
The Dipole Moments of Certain Organic Compounds p. 141-142
J. N. Pearce and L. F. Berhenke
The Effect of Fluorine on Blood and Respiration p. 143-147
D. A. Greenwood, E. A. Hewitt, and V. E. Nelson
Studies on Vitamins B and G p. 149-152
J. F. Feaster and V. E. Nelson
The Removal of Fluorine from Drinking Waters in the State of Iowa p. 153-156
C. A. Kempf, D. A. Greenwood, and V. E. Nelson
Thiele's Theory of Partial Valency in Terms of Electrons p. 157-160
Francis Earl Ray
Aluminum in Nutrition p. 161-164
H. H. Keil and V. E. Nelson
Use of Copper to Increase the Yield of Ethyl Bromide p. 165-165
Philip Hendrixson
The Availability of Tryptophane Derivatives for Supplementing Diets Deficient in Tryptophane p. 165-165
Clarence P. Berg and H. Everett Hanson
Orientation in the Dibenzofuran Series p. 166-167
W. G. Bywater, E. W. Smith, G. E. Brown, and H. Gilman
A Study of Total and Reduced Glutathione with Oxygen Content and Capacity in the Blood of Pregnant and Non-Pregnant Women p. 166-167
Fred W. Oberst and E. B. Woods
The Oxidation of Glucose by Rhizobium meliloti p. 167-168
O. R. Neal and R. H. Walker
Alcohol Motor Fuels p. 168-169
Leo M. Christensen, R. M. Hixon, and E. I. Fulmer
Reduction of Furan and the Preparation of Tetramethylene Derivatives p. 169-170
Donald F. Starr and R. M. Hixon
The Alkaline Decomposition of Wool Keratin p. 170-170
Mildred Barr and Rachel Edgar
Hydrolysis Velocity of Ketimines - Steric Hindrance Effect p. 170-171
J. B. Culbertson, William Reynolds, and Clarence Main
Behavior of Bromine Derivatives of Guaiacol toward Nitrating Agents p. 171-171
L. Chas. Raiford and R. E. Silker
The Acid and Alkaline Hydrolyses of silk Fibroin p. 171-172
Eunice Walde and Rachel Edgar
Hydrolysis of Phenyl Furyl Ketimine - The Relative Negativity Effect p. 172-172
J. B. Culbertson and Leonard Hines
Pyridine and Quinoline Derivates of Dibenzofuran, and Their Physiological Properties p. 172-172
Willard H. Kirkpatrick and Henry Gilman
Some Chemical Properties of Vitamin E p. 173-173
H. S. Olcott
Further Studies on the Nutritive Value of Alcohol-Extracted Animal Tissues and the Supplements Required for Growth and Lactation p. 173-174
Walter H. Seegers and H. A. Mattill
The Production of Kynurenic Acid from Tryptophane and Indole Derivatives p. 174-175
Lyle C. Bauguess and Clarence P. Berg
Weathering of Sandstone in the Iowa State Capitol Building p. 177-190
C. S. Gwynne
The Hampton Tusk p. 191-197
Emmett J. Cable
A Pre-Wisconsin Valley in Southwestern Hancock County p. 199-201
L. W. Wood
Some Observations on the Thermal Springs of the Southeastern Black Hills of South Dakota p. 203-208
P. Murray Work
Cycles of Erosion in the Central Black Hills p. 209-213
P. Murray Work
Utilization of the Navajo Country p. 215-237
Albert B. Reagan
The Ledges and Pennsylvanian Problems in Iowa p. 239-239
John E. Smith
Reconstruction of Iowa's Cretaceous Stratigraphy p. 239-240
Charles Keyes
Extent of Patrician Glaciation p. 240-240
Charles Keyes
What is the Loveland Loess? p. 240-241
Charles Keyes
Terraced Deposit of an Extinct Thermal Spring in South Park, Colorado p. 241-241
Don B. Gould
The Effect of Increasing the Size of Samples in Certain Distributions p. 243-246
Fred A. Brandner
An Experiment in Gravitation p. 247-247
W. H. Kadesch and R. D. Huntoon
Psychophysical Analysis of Color Blindness p. 248-248
A. A. Benedict
An Effect of Cathode Rays on Photographic Paper p. 248-249
P. H. Carr
The M-Series Absorption Spectrum of Metallic Bismuth p. 249-249
W. D. Phelps
A Study of the Cybotactic Group Structure in Isopentane near the Critical Point p. 249-250
Carl A. Benz
Structure of Solutions of Strong Electrolytes in N-Alcohols and Water p. 250-251
G. W. Stewart
Comparison of X-Ray Diffraction in H2O and H2/2O p. 251-251
G. W. Stewart
Hyperfine Structure and the Depolarization of Resonance Radiation by a Magnetic Field p. 251-251
A. Ellett
A Mechanical Method for the Analyisis of Complex Spectra p. 252-252
J. V. Atanasoff and A. E. Brandt
Effect of Additions of Cadmium on Growth of Zinc Crystals p. 252-252
E. P. T. Tyndall
Electrical Resistivities of Zinc Single and Mosaic Crystals p. 252-253
W. J. Poppy
Thermal Conductivity and Wiedemann-Franz Ratio for Zinc Crystals p. 253-253
C. A. Cinnamon
The Dependence of Cybotactic Groups on Specific Volume p. 253-254
Ross D. Spangler
Serviceable Homemade Apparatus p. 254-254
E. Hobart Collins
Change in Resistance of Bismuth Single Crystals at the Melting Point p. 254-254
J. Henry Schroeder
A Study of Laboratory Teaching p. 255-255
J. W. Woodrow
Experiments on the Effectiveness of Lectures in College Physics p. 255-256
C. J. Lapp
Some Experiments on the Teaching Value of Talking Motion Pictures in College Physics p. 256-256
C. J. Lapp and W. J. Poppy
A Study of Some Transfer Values of Laboratory Versus Library Projects p. 256-257
W. J. Poppy and C. J. Lapp
Electron collisions in Mercury Vapor - The 9.8 Volt Loss p. 257-257
C. L. Cross and John A. Eldridge
Mean Free Paths of Molecules and the Wave Mechanics p. 257-257
John A. Eldridge
An Analytical Study of the Common Elements in Silent and Oral Reading p. 259-261
Donald E. Swanson
An Analysis of the Functional Timbre Variations of the Violin p. 263-264
Arnold M. Small
Some Supplementary Devices for Improving Laboratory Results p. 265-267
M. R. Jones
Stimulus-Response Factors in Infantile Plantar Phenomena p. 269-270
T. W. Richards
An Approach to the Study of Social Behavior in Children p. 271-273
Harold M. Williams
Measurement of Aesthetic Interests p. 275-279
Alvhh R. Lauer
A Criterion of Driving Ability p. 281-283
Earl L. Allgaier
Course Content and Objectives p. 285-286
Reuel H. Sylvester
The Relative Importance of Intensity and Time Stress in Singing p. 287-289
Harold Seashore
A Case of Art Ability Following Sight Recovery in Seven-Year-Old Child Blind from Birth p. 291-293
Norman C. Meier
A New Departure in Mental Measurements p. 295-298
D. D. Feder
Tonal Quality of Orchestral Instruments p. 299-299
D. A. Rothschild
A Photographic Study of the Use of Intensity by Superior Speakers p. 300-300
Max D. Steer and Joseph Tiffin
A Progress Report of a Survey of the Insects of Iowa p. 305-307
H. E. Jaques
Notes on the Hatchability and Infectivity of Refrigerated Eggs of Fasciola hepatica Linn p. 309-311
Wendell H. Krull
Effects of Ultracentrifuging on Certain Cell Structures p. 313-313
R. L. King and H. W. Beams
Respiratory Mechanism of Blocked and Normal Embryonic Cells (Orthoptera) p. 313-314
J. H. Bodine and E. J. Boell
Seasonal Variation in Birds p. 314-315
Emil Witschi
Some Factors in Radiosensitivity p. 315-315
T. C. Evans
The Development of the Pronephros in the Californian Newt (Triturus torosus) p. 315-316
Gardner M. Riley
Studies of the Electromotive Force in Biological Systems: IV. The Effect of Carbon Monoxide on the E. M. F. of Frog Skin p. 316-317
A. B. Taylor and Edgar John Boell
A Study of the Inheritance and the Physiological Behaviour of Dwarfism Associated with an Eye Defect in Rats p. 317-318
A. Sciuchetti and W. V. Lambert
A New Character in the Guinea Pig - "Silvering" p. 318-318
W. V. Lambert
Further Studies on Selection for Resistance to Salmonella aertrycke in Mice p. 319-319
H. O. Hetzer
The General Morphology of the Elasmobranch Hypophysis p. 301-304
H. W. Norris and Jack Maxfield
Geographic Control of Industries in Iowa p. 239-239
John E. Smith
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