Home > Iowa Academy of Science > Journals & Newsletters > Proceedings of the Iowa Academy of Science > Volume 36 (1929) > Annual Issue
Volume 36, Annual Issue (1929)
Front Matter
Table of Contents p. 15-19
General Interest Articles
The Address of the President - Contributions to the Pleistocene Geology of Iowa p. 35-44
George F. Kay
Research
The Effect of Lime on Nitrification in the Grundy Silt Loam p. 45-51
R. H. Walker and L. G. Thompson Jr.
The Spontaneous Culture Method for Studying the Non-Symbiotic Nitrogen Fixing Bacteria of the Soil p. 53-61
R. H. Walker and John L. Sullivan
The Inoculation of Different Varieties of Soybeans by Various Strains of Rhizobium japonicum p. 63-67
G. Gordon Pohlman and R. H. Walker
The Rate of Decomposition of Some Artificial Manures p. 69-73
Frederick B. Smith
Studies on Methods of Measuring the Nitrate Assimilating Power of Soils p. 75-78
Ray A. Pendleton and Frederick B. Smith
The Effect of Various Treatments on Microorganisms in the Soil under a Five-Year Rotation p. 79-85
P. E. Brown and B. A. Tomlin
Bacterial Activity in Soils Variously Treated p. 87-91
P. E. Brown and D. I. Aquino
Variations in Soil Reaction Affect Nitrification p. 93-97
P. E. Brown and G. V. C. Houghland
The Effects of Some Nitrogen Fertilizers on Nitrification p. 99-103
Ray A. Pendleton, P. E. Brown, and F. B. Smith
Do Significant Physiological Strains of Bacillus amylovorus (Burr.) Trev. Exist? p. 105-110
Frank L. Howard
The Effect of Steffen Waste on the Fermentation of Pentosans from the Corn Stalk p. 111-111
E. I. Fulmer, C. H. Werkman, R. M. Hixon, and A. L. Williams
Physiological Behavior of the Propionic Acid Group of Bacteria p. 111-111
Sara E. Kendall and C. H. Werkman
The Production of Propionic Acid from Pentoses by Propionibacterium pentosaceum p. 111-112
C. H. Werkman, R. M. Hixon, E. I. Fulmer, and C. H. Rayburn
Study of Peronospora trifolioum Debary on Species of Leguminosae p. 113-119
I. E. Melhus and M. K. Patel
Reproduction in Cyathus stercoreus (Schw.) De Toni p. 121-124
Don B. Creager
Lightning Injury to Alfalfa p. 125-126
Joseph C. Gilman
Notes on Fungi — 1928 p. 127-130
G. W. Martin
Notes on Iowa Mosses. I p. 133-135
Lucy M. Cavanagh
Additional Notes on Iowa Mosses p. 137-139
Betty Blagg
Gametrophytes of Botrychium Virginianum in Iowa p. 141-141
Henry S. Conard
The Distribution of the Genus Tradescantia in Iowa p. 143-146
D. G. Deihl
Heliantheae of Iowa. I p. 147-184
M. Rae Johns
Flowering Plants of Henry County, Iowa. III p. 185-188
J. M. Lindly
Fruit Size and Shape Genes on the First Chromosome of the Tomato p. 189-190
E. W. Lindstrom
Stimulation of Root Growth on Cuttings from Hardwood Forest Trees p. 191-200
G. C. Hutchings and J. A. Larsen
Germination of Trees and Shrubs p. 201-211
L. H. Pammel and C. M. King
Weed Succession on an Abandoned Roadway p. 213-219
Robert P. Adams
Heights of Weeds p. 221-231
L. H. Pammel and C. M. King
Structure and Composition of Pollen Grains of Vernal Plants p. 233-239
Ada Hayden and J. N. Martin
Some Problems in the Classification of the Fungi p. 241-241
Guy West Wilson
The Ecesis of the Gentian in Relation to Environmental Transition p. 241-241
Ada Hayden
The Biological Aspects of the Flood-Control and Drainage Problems p. 241-241
B. Shimek
Studies of the Diurnal Fluctuations of Sap Hydrion Concentration in Young Wheat Plants p. 242-242
Walter F. Loehwing
Correlation of Number of Vascular Bundles and Cross-Sectional Area of Corn Stem p. 242-242
A. L. Hershey
The Botany of the Rio Grande Valley and Adjacent Mexico p. 242-242
L. H. Pammel
How the College Textbooks in Botany Treat the Prairie Problem p. 243-243
B. Shimek
The Plant Life of a Prairie Province in Polk County, Iowa p. 243-243
Winifred Gilbert
The Status of the Biological Sciences in the High Schools of Iowa p. 243-243
C. W. Lantz
The Determination of Manganese in Potable Waters p. 245-250
Edward Bartow and Harris Thompson
The Influence of Solvent on the Decomposition of Trichloracetic Acid p. 251-260
J. N. Pearce and A. C. Nelson
The Precise Determination of Sulfates p. 261-261
Stephen Popoff and E. W. Neuman
The Temperature Effect on the Solubilities of Nickel, Tin, Copper, Steel (Chromium) and Zinc in Raw Cow's Milk p. 261-262
G. N. Quam
The Heats of Adsorption of Organic Vapors on Charcoal at 25° and 50° p. 262-262
G. H. Reed and J. N. Pearce
A Theory of Solubility p. 262-263
P. A. Bond
A Summary of Oxidation-Reduction Potentials p. 263-264
Stephen Popoff, A. H. Kunz, J. A. Riddick, and W. W. Becker
The Influence of pH Values on the Oxidation of Ferrous Sulphate p. 264-265
Jacob Cornog and Albert Hershberger
The Determination of Oxidation-Reduction Potentials from Equilibrium Data p. 265-265
Stephen Popoff, V. B. Fleharty, and E. L. Hanson
Further studies on the Utilization of Agricultural Wastes p. 265-266
Henry Gilman, R. E. Brown, J. B. Dickey, A. P. Hewlett, and G. F. Wright
A Study of the Hoesch-Houben Synthesis in the Preparation of Aromatic Ketimines and Hydroxy-Phenyl Iminoesters p. 266-266
Eva Bresson and J. B. Culbertson
The Synthesis of 4-Hydroxy and 2-Hydroxy-Diphenyl Ketimines p. 266-267
Paul Vittum, Richard Anderson, and J. B. Culbertson
The Effect of Manganese on the Growth of Rats p. 267-267
V. E. Nelson, J. M. Evvard, and W. E. Sewell
The Copper Content of Livers and Liver Extracts p. 267-268
G. N. Quam
Derivatives of 3-Amino-4-Methoxytoluene p. 268-268
L. Chas. Raiford and Oliver Grosz
The Effects of Substituents in the Formation of Thiocarbanilides p. 269-269
L. Chas. Raiford and G. Mervin McNulty
The Lability and Relative Reactivities of Organic Radicals p. 269-270
Henry Gilmann, Edith L. St. John, and L. L. Heck
A Study in the Ring Structure of Methylated Sugars p. 270-270
Carrell A. Whitnah
Some Physico-Chemical Studies of Organo-Metallic Compounds p. 270-270
Henry Gilman, L. L. Heck, and J. A. Leermakers
The Decomposition of the Optically Active Diazo Ester from Aminolauronic Acid p. 271-274
F. E. Ray and W. R. Bunting
Additional Significant Pleistocene Sections in Iowa p. 275-276
George F. Kay
The Story-Marshall Tornado of August 20, 1928 p. 276-277
John E. Smith
The Nashua Marls of the St. Johns River Region p. 277-277
S. W. Stookey
What Shall We Do with Precambrian? p. 277-278
Charles Keyes
The Eastern Margin of the Hertha in Madison County p. 278-278
Arthur Goshorn
Recessional Stages Between the Altamont and the Gary (?) Moraines in Iowa p. 278-279
John E. Smith
Oil Structures in Iowa p. 279-279
Charles Keyes
Foraminifera in the Iowa Devonian p. 279-280
A. O. Thomas
A Review of the Time Factor Represented by the Stratigraphic Breaks in the Iowa Geological Column p. 280-280
A. O. Thomas
Glacial Outlook from Iowa p. 280-280
Charles Keyes
A Spectorophotometric and Spectroscopic Study of Phi Persei p. 281-293
Herbert F. Schiefer
The Effect of Pressures up to 17,000 Atmospheres upon Some Colloidal Suspensions p. 295-296
Robert Wilson and Thos. C. Poulter
The Fluorescence of Cod Liver Oil p. 297-297
C. A. Morehouse
Magnetic Properties of Thin Cobalt Films Electrolytically Deposited p. 297-297
E. P. T. Tyndall and W. W. Wertzbaugher
Physical Properties of Some Vegetables p. 297-298
Earl C. McCracken
A Method of Determining the Thermal Conductivity of Wall Board and Other Heat Insulating Products Made From Corn-Stalks p. 298-299
Herbert Stiles and Harold Stiles
Electrical Properties of Corn-Stalk Products p. 299-299
A. A. Aardal
The Conductivity of Cod Liver Oil p. 299-300
L. W. Butler
The Diffusion of the Active Particles in the Russell Effect p. 300-300
Jay W. Woodrow
Peltier Effect in Single Crystals of Bismuth p. 300-301
H. D. Fagan
Improved Apparatus for Growth of Metal Crystals p. 301-301
A. G. Hoyem
Thomson Effect in Single Crystal Zinc p. 301-301
L. A. Ware
A Spectrophotometric Study of the Color of Meats p. 301-302
A. A. Benedict
Ballistic Amplifier p. 302-302
J. M. B. Kellogg
A Parallel Carbon Arc for Direct Current p. 302-303
L. B. Spinney
A Simple Refrigeration System for the Farm p. 303-303
L. V. Crum
X-Ray Diffraction by Organic Solutions p. 393-394
Alfred W. Meyer
The Effect of Pressures up to 16000 Atmospheres Upon the E.M.F. of the Weston Standard Cell p. 394-394
Thomas C. Poulter, Carter Richey, Robert Wilson, and John Fulton
Resistance Change in a Magnetic Field of Single Crystals of Bismuth p. 394-394
Roy A. Nelson and G. R. Watson
Molecular Structure of Benzene, Cyclohexane and Their Derivatives - A Study in X-Ray Diffraction p. 305-306
G. W. Stewart
Diffraction of X-Rays in Liquids: Effect of Temperature p. 306-307
E. W. Skinner
A Molecular Velocity Filter p. 307-307
John A. Eldridge
An Investigation of the Critical Potentials of the Spark Spectrum of Cadmium p. 307-307
DeVer Colson
Intensity of Mercury Lines Excited by Positive Ions p. 307-308
C. Frische
Mentality, Achievement, and Class Survival p. 309-312
Willis J. Bell
Development of Imagination p. 313-320
Elizabeth G. Andrews
The Evaluation of the Musical Capacity of Nursery School Children p. 321-328
Thomas F. Vance and Medora Grandprey
The Relationship between Biblical Information and Conduct p. 329-333
Pleasant R. Hightower
Some Factors Involved in Motivation p. 335-341
Nira M. Klise
A Study of Antagonistic Habits p. 343-343
Martin F. Fritz
The Uses and Abuses of the Questionary Method p. 343-343
Christian A. Ruckmick
The Project Method in Laboratory Psychology p. 344-344
R. H. Sylvester
Speech Sounds of Preschool Children p. 344-345
Beth L. Wellman
An Experiment in Mental Rehabilitation p. 345-346
Walter S. Newell
Techniques for Recording Time Intervals upon Paper Ribbon p. 346-346
J.D. Alexander
A Synthetic Tone-Mixer p. 346-347
Joseph Tiffin
A Comparison in Academic Achievement of the Student in the Upper Quartile with Those in the Lower Quartile as Measured by Aptitude Tests p. 347-347
J. E. Evans
Snake Notes p. 349-359
J. E. Guthrie
Segmentation in Earthworms, Resulting from Inability to Regenerate a Portion of the Ventral Nerve Cord p. 361-363
F. L. Fitzpatrick and S. L. Stolba
Relative Ability of Anterior and Posterior Ends of the Body to Regenerate in Earthworms p. 365-366
F. L. Fitzpatrick
Some Notes on Collecting Cerambycidae p. 367-369
Robert E. Ware
Distribution of Brood B of White Grubs in Iowa in 1928 p. 371-371
H. E. Jaques
Trapping and Banding Birds at Iowa City During 1927 p. 373-375
Dayton Stoner
Abnormalities Found in a Two Headed Calf p. 377-379
Horace Essex and Marshall Huston
Cliff Swallow Colonies in Iowa p. 381-381
W. F. Kubichek
The European Starling in Iowa p. 381-382
W. F. Kubichek
On the Inheritance of Resistance to Fowl Typhoid in Chickens p. 382-383
W. V. Lambert and C. W. Knox
The Sex Ratio in Guinea Pigs p. 383-383
R. G. Schott
The Inheritance of Leg-Feathering in the Chicken p. 383-384
W. V. Lambert and C. W. Knox
The Myriopoda of Iowa p. 384-384
Betty Rogers
Back Matter
