Home > Iowa Academy of Science > Journals & Newsletters > Proceedings of the Iowa Academy of Science > Volume 32 (1925) > Annual Issue
Volume 32, Annual Issue (1925)
Front Matter
Title Page - Front Matter p. 1-2
Table of Contents p. 13-17
General Interest Articles
In Memoriam: Susan Grace Jewell; William Paul Yancy; Rollo Harrison Moore p. 36-43
Fern M. Williams, U. A. Hauber, and H. S. Longley
The Address of the President - The Social Responsibility of Science p. 47-54
Orrin H. Smith
Research
Yeasts of Carbonated Beverages p. 95-95
W. R. Turner
The Development of Metallic Flavor in Buttermilk p. 55-58
M. P. Baker and B. W. Hammer
The Influence of Carbon Dioxide upon the Quality and Keeping Properties of Butter and Ice Cream p. 59-61
F. F. Sherwood
Hydrogen Sulphide Production by Bacteria p. 63-70
Frederick W. Mulsow and Frederick S. Paine
Unsolved Problems Related to the Inoculation of Legumes p. 71-75
Lewis W. Erdman
Bacterial Activities in an Orchard Soil p. 77-80
Rudger H. Walker
Do We Have "Niter Spots" Forming in Iowa? p. 81-84
Paul Emerson and Don S. Gray
Observations of Some Biological Activities in Manure Composts p. 85-94
Alfred J. Englehorn
Effect of Reaction on the Growth of Yeasts p. 95-95
J. C. Weldin
Bacterial Decomposition of Sugars and Acids on a Trickling Filter p. 96-96
John H. Watkins
Some Notes on Trickling Filters in the Purification of Creamery Wastes p. 97-97
Max Levine
Teaching the Elementary Course in Bacteriology p. 98-98
R. E. Buchanan
Some Notes on the Flora of Forest and Florence Counties, Wisconsin, and Iron County, Michigan p. 99-114
L. H. Pammel
Our Native Plants p. 115-121
L. H. Pammel
Germination of Some Pines and Other Trees p. 125-132
L. H. Pammel and C. M. King
Some Soil and Moisture Relationships of Sweet Gum and River Birch in Southern Maryland p. 133-142
F. B. Trenk
The Occurrence of Hickories in Iowa in Relation to Soil Types p. 143-155
Fred B. Trenk
The Formation of Root Hairs in Water p. 157-165
Clifford H. Farr
An Abortive Anther of Lilium formosum p. 167-170
Charles A. Hoffman
Chromosome Studies of Zea mays L. p. 171-177
R. G. Reeves
Genetic Correlations between Fruit Size and Color in the Tomato p. 179-180
E. W. Lindstrom
Ceratophyllum demersum in West Okoboji Lake p. 181-188
Edward N. Jones
A Provisional List of the Species of Septoria in Iowa p. 189-199
B. N. Uppal
A Tree Census of Mt. Pleasant, Iowa p. 201-203
H. E. Jaques
Some Amanitas from Eastern Iowa p. 205-217
G. W. Martin
Notes on Iowa Fungi - 1924 p. 219-223
G. W. Martin
A Partial List of the Parasitic Ascomycetes of Iowa p. 225-264
J. C. Gilman
Some Wound Responses of Citrus Leaves p. 265-265
Robert B. Wylie
Some Noteworthy Iowa Fungi of 1925 p. 265-265
Guy West Wilson
Microsporogensis in Cucurbita maxima p. 265-266
Edward F. Castetter
Culture Studies of Psilocybe coprophila p. 266-266
Katherine Gilmore
Polariscopy of Molybdatomalates p. 267-298
Launcelot W. Andrews
The Uranato-Malate Complex p. 299-320
Launcelot W. Andrews
Nutritive Value of Powered Milk Together with Observations for a New Vitamin for Reproduction p. 321-321
L. T. Anderegg and V. E. Nelson
Cod Liver Oil as a Source of Vitamin A p. 321-322
Georgian Adams, L. T. Anderegg, and V. E. Nelson
Some Dolomites p. 322-322
Nicholas Knight
The Action of Certain Oxidizing Agents in Sulfite and Its Determination p. 322-323
W. S. Hendrixson
Microstructure of Plant Films p. 323-323
H. L. Maxwell
Condensations with Alkylene Bromides p. 323-323
H. F. Lewis and Charles Fordyce
Bromination of Methyl-4-Acetylaminophenyl Ketone p. 324-324
L. Chas. Raiford and H. L. Davis
Conductance in Liquid Hydrogen Sulfide Solutions p. 324-325
G. N. Quam and J. A. Wilkinson
Vanadium Oxytrichloride as a Solvent p. 325-325
F. E. Brown and J. E. Snyder
The Effect of Temperature and Solvent on Nitrogen Trichloride Additions; Acetylene Hydrocarbons and Nitrogen Trichloride p. 325-326
G. H. Coleman, C. N. Owen, and J. A. Rodriguez
The Reaction of Nitrogen Trichloride with Various Types of Olefine Hydrocarbons p. 326-326
G. H. Coleman, A. W. Campbell, and G. M. Mullins
Decomposition of Hydrogen Bromide by Silent Electric Discharge p. 326-327
J. J. Canfield and Anson Hayes
Scale Formation in Water Cooling System of Refrigerating Machines p. 327-327
Edward Bartow
The Preparation of Pure Octane p. 327-328
H. F. Lewis and G. Roert Yohe
The Preparation of Pure Di-Isobutyl p. 328-328
H. F. Lewis and J. Wesley Fleming
Systems Formed by Certain Inorganic Compounds with Liquid Sulphur Dioxide p. 328-329
Howard T. Beach and P. A. Bond
A Comparison of the Food Value of Iowa Winter Apples p. 329-329
Paul Warner Frisk
Stone Axes from Adel p. 331-338
James H. Lees
The Indians of the Fort Apache Region p. 339-341
Albert B. Reagan
Deep Well at Morning Sun p. 343-344
J. M. Lindly
Some Large Glacial Boulders in Des Moines County, Iowa p. 345-350
A. L. Lugn
The Mississippian-Pennsylvanian and Pennsylvanian-Pleistocene Unconformities in Lucas County, Iowa p. 351-356
A. L. Lugn
The Occurrence of Caliche in Oklahoma p. 357-357
John T. Lonsdale
Molding Sand in Eastern Iowa p. 357-358
John E. Smith
Glacial Geology of Story County p. 358-359
John E. Smith
Physical Features of the Hawaiian Islands p. 359-360
Chester K. Wentworth
An Unusual Oölite Near Hayfield, Frederick County, Virginia p. 360-360
A. S. Furcron
Sedimentary Processes on Volcanic Islands p. 360-361
Chester K. Wentworth
Translocation of Iowa's Siouan Mountains p. 361-361
Charles Keyes
New Method of Precise Geological Correlation p. 362-362
Charles Keyes
Stratigraphic Value of Volcanic Ash p. 362-362
Charles Keyes
Two Theorems on Annuities p. 363-365
John F. Reilly
Experiments with Small Numbers of Observations p. 367-369
George W. Snedecor
Economical Filtration in Deep X-ray Therapy p. 371-375
Scott W. Smith Jr.
A Table of Wave Lengths and Frequencies of Electromagnetic Radiations of Zero to Infinity p. 377-377
A. C. Bailey
Studies on the Effect of Ultra-Violet Rays upon Yeast Metabolism - I. The Effect of Ultra Violet Light upon the Medium p. 377-378
A. C. Bailey, J. W. Woodrow, and Ellis I. Fulmer
The Diffraction of X-Rays by Liquids p. 378-378
E. Horbart Collins
The Growth of Chickens as Effected by the Sunlight Transmitted through Glass Substitutes p. 378-378
L. V. Crum and J. W. Woodrow
An Attempt to Detect a Predicted Pressure Effect in Gases p. 378-379
G. E. Davis
Criticism of a Theory of Electrical Resistance p. 379-380
John A. Eldridge
A Study in Examination Methods p. 380-380
C. J. Lapp
A Study of an Objective Achievement Examination in Physics p. 380-380
C. J. Lapp
Thermoelectric Effect in Single Crystal Zinc Wires p. 380-381
E. G. Linder
Optical Constants of Molybdenite in the Ultra-Violet p. 381-381
A. W. Meyer
Quantitative Measurements in the Transmission in Solid Acoustic Wave Filters with Varying Physical Dimensions p. 381-381
H. F. Olson
Hall Effect and Specific Resistance in Thin Evaporated Film of Fe, Co, Ni, Pd, and Pt p. 382-382
H. B. Peacock
Optical Constants of Single Crystal Bismuth p. 382-382
L. H. Rowse
The Action of Cylindrical Tubes in Branch Acoustic Lines p. 383-383
G. W. Stewart
The Position of the Vibrating Source in the Kundt's Tube Experiment p. 383-383
G. W. Stewart
The Action of an Orifice in an Acoustic Conduit and a Means of Determing the Effect of Viscosity p. 383-384
G. W. Stewart
Magnetic Properties of Iron Films Electrically Deposited p. 384-384
E. P. Tyndall
A New Electrostatic Friction Machine p. 384-384
Jay W. Woodrow
Involuntary Tongue Movements under Varying Stimuli p. 385-391
M. George Scheck
A Study in the Selection of Salespeople for Killians' Department Store, Cedar Rapid, Iowa p. 393-394
George Horace Gallup
A Phenomenon in Vision Similar to Refractory Phase p. 394-395
Roland C. Travis
An Objective Study of the Vocal Art p. 395-395
Milton Metfessel
Temporal Precision in Motor Rhythm p. 395-396
Robert Holmes Seashore
Iowa Placement Examinations p. 396-396
George D. Stoddard
The Measurement of Talent in Graphic Art p. 397-397
Norman C. Meier
The Measurement of Natural Capacity for Skill in Stenography p. 397-398
Oliver A. Ohmann
Objective Study of Speed and Accuracy in Typing p. 398-398
Luton Ackerson
Conditioning the Sexual Instinct in the Albino Rat p. 398-399
H. R. Fossler
Sound Localization: A Comparison of Methods p. 399-400
C. A. Ruckmick
Muscular Fixation in Voice Production of the Stutterer under Emotion p. 401-401
Lee Edward Travis
Flesh Fly Larvae as an Indicator of Hypophyseal Effects p. 403-406
T. L. Patterson
The Swim-Bladder of a 65 MM. Gar-Pike (Lepidosteus platystomus) Embryo p. 407-414
George E. Potter
Some Observations on the Habits of Leeches p. 415-417
Catharine Mullin
Trapping Birds at Iowa City During 1924 p. 419-422
Dayton Stoner
The 1924 Outbreak of Brood A of White Grubs in Iowa p. 423-424
H. E. Jaques
Winter Bird Records of Chickasaw and Adjacent Counties p. 425-428
Chas. J. Spiker
Some Additional Observations on Sphenodon punctatum in Captivity p. 429-430
Warren N. Keck
An Ecological Survey, as a Means of Obtaining a Background for Certain Morphological Problems p. 431-437
David T. Jones
Certain Relationships between Physical Conditions and Physiological Vigor p. 439-440
Ava L. Johnson
The Nutritional Effects of Feeding Potassium Salt to Pregnant Ewes p. 440-441
John M. Evvard, C. C. Culbertson, A. R. Lamb, and W. E. Hammond
The Robber Crab (Birgus latro) with Special Reference to Its Respiratory System p. 441-441
C. C. Nutting
Protein Requirements of Lactating Sows with Litters p. 441-442
Q. W. Wallace and John M. Evvard
Vitamin A and Longevity p. 442-442
J. H. Hansbrough, V. E. Nelson, and E. I. Fulmer
The Protein Requirements of Practically Mature Fattening Cattle p. 442-443
C. C. Culbertson and John M. Evvard
Certain Body Temperature Changes in the Snapping and Painted Turtles p. 443-444
F. M. Baldwin
The Coral Reefs of Fiji p. 444-444
C. C. Nutting
The Trapezius Muscle of the Ganoid Fishes p. 444-444
H. W. Norris
Temperature Studies Made on Lake Okoboji during the Summer of 1924 p. 445-445
F. A. Stromsten
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