Home > Iowa Academy of Science > Journals & Newsletters > Proceedings of the Iowa Academy of Science > Volume 29 (1922) > Annual Issue
Volume 29, Annual Issue (1922)
Front Matter
Title Page - Front Matter p. 1-2
Table of Contents p. 11-15
General Interest Articles
In Memoriam: Fred C. Werkenthin; Chalmers Colin Norwood p. 32-38
John N. Martin and Ben Hur Wilson
The Address of the President - The Cosmology of the Universe p. 41-48
D. W. Morehouse
Research
The New Albin Inscribed Tablet p. 49-52
Ellison Orr
Decorative Markings on Some Fragments of Indian Pottery from Mills County, Iowa p. 53-59
Paul R. Rowe
Till-Like Deposits South of Kansas River in Douglas County, Kansas p. 61-65
Walter H. Schoewe
Some Black River Brachiopods from the Mississippi Valley p. 67-83
Carroll Lane Fenton and Mildred Adams Fenton
Some New Paleozoic Glass-Sponges from Iowa p. 85-91
A. O. Thomas
Status of Certain Rhynchonellid Brachiopods from the Devonian of Iowa p. 93-99
A. O. Thomas and M. A. Stainbrook
Laramian Hiatus around the Southern Rockies p. 101-103
Charles Keyes
Horizontal Movement in Oblique Faulting on Inclined Strata p. 104-104
Charles Keyes
Taxonomic Rank of Pennsylvanian Groupings p. 105-106
Charles Keyes
Pyrite in Coal p. 107-109
J. M. Lindly
Winfield's Deep Well p. 110-112
J. M. Lindly
The Structure of the Fort Dodge Beds p. 113-120
James H. Lees
Deductions from the Occurrence and Character of Two Large Quartzose Conglomerate Boulders of Unknown Origin Found in the Kansan Drift Sheet at Centerville, Iowa p. 121-126
Ben H. Wilson
The Status of Sedimentation in Iowa p. 127-127
A. C. Trowbridge
Schedules for the Field Descriptions of Sedimentary Rocks p. 127-127
A. C. Trowbridge
An Iowa Cambrian Eurypterid p. 127-128
O. T. Walter
Origin of Limestone Conglomerates p. 128-128
Louise Fillman
Classification of Lenses p. 128-128
Louise Fillman
The Rockford Geodes p. 128-129
S. L. Galpin
Notes on Some Mammalian Remains Reported in Iowa During the Past Year p. 129-129
A. O. Thomas
A Redetermination of the Principle Reflecting Powers of Isolated Selenium Crystals p. 131-133
L. P. Sieg
Solubility and Polarity p. 135-139
Wm. Kunerth
A Comparison of Intensities Required under Direct and under Indirect Lighting Systems p. 141-146
WM. Kunerth
The Path of a Rigid Electron Which Moves in a Magnetic Field of Constant Strength Rotating with Constant Angular Velocity p. 147-147
E. O. Hulburt
Phenomena in Gases Excited by Radio Frequency Currents p. 147-148
E. O. Hulburt
The Broadening of the Balmer Lines of Hydrogen with Pressure p. 148-148
E. O. Hulburt
Nodal Distances in Acoustics p. 149-149
G. W. Stewart
A Variable Single Band Acoustic Filter p. 150-150
G. W. Stewart
A New Kind of Telephone Reciever and Transmitter p. 151-151
C. W. Hewlett
The Scattering of Homogeneous X-Rays of Wave Length .712 A° Unit by Carbon, Lithium, and Hydrogen p. 151-152
C. W. Hewlett
Hall Effect and Specific Resistance in Evaporated Films of Silver, Copper and Iron p. 153-154
J. C. Steinberg
The Attenuation Factors in Acoustic Wave Filters p. 156-156
H. B. Peacock
Coefficients of Diffusion of Salt Vapors in the Bunsen Flame p. 156-156
George E. Davis
Iowa Microlepidoptera p. 157-161
A. W. Lindsey
Brood A of the May Beetles Extends Its Range in Iowa p. 163-164
H. E. Jaques
A Study of the White Marked Tussock Moth p. 165-167
Susannah Poulter
A Scribofacilograph for Labeling Kymographic Tracings p. 169-171
T. L. Patterson
Effects of Stretch on Muscle Responses in the Earthworm (Helodrilus caliginosus) p. 173-185
B. M. Harrison
Observation on the Habits of a Tarantula in Captivity p. 187-189
Albert Hartzell
Observations on the Cranial Nerves of Certain Ganoids p. 191-193
H. W. Norris
Some Notes on Empoasca flavescens Fabricius (Homoptera, Cicadellidae) p. 195-198
R. L. Webster
Simultaneous Fast and Slow Drum Records of Fatigue p. 199-209
Francis Marsh Baldwin
Notes on Some of the Rarer Birds of the Ames Region p. 211-218
H. E. Ewing
Behavior of Trapped and Banded Birds p. 225-228
Dayton Stoner
Morphological Studies on the Injury to Apple Caused by Ceresa bubalis p. 229-229
J. C. Goodwing and F. A. Fenton
Nest-Digging and Egg-Laying Habits of Bell's turtle p. 229-230
Frank A. Stromsten
Sociology as a Science p. 230-230
Hornell Hart
Chance in Development as a Cause of Variation p. 230-231
P. W. Whiting
Submarginal Venation of Foliage Leaves p. 233-237
Robert B. Wylie
Some Wound Responses of Foliage Leaves p. 238-244
Robert B. Wylie
Notes on the Flora of Yosemite and Adjacent Regions p. 245-255
L. H. Pammel
Germination Studies of Some Shrubs and Trees p. 257-266
L. H. Pammel and C. M. King
The Species of Rhamnus in Southwestern United States and the Pacific Coast and Puccinia Coronata p. 267-270
L. H. Pammel
The Effect of Weeds upon Crop Production p. 271-279
A. L. Bakke and L. H. Pammel
Description and Key of the Genus Cucurbita p. 281-290
Fred C. Werkenthin
The Founders of the Art of Plant Breeding p. 291-310
Fred C. Werkenthin
Studies of Insect Transmission and Cross Inoculation of Mosaic on the Solanaceae, Cucurbitaceae and Leguminosea p. 311-312
O. H. Elmer
A Comparative Study of the Red-Seeded and Common Dandelion p. 313-315
June Berry
A Manual of the Ferns and "Fern-Allies" of Grinnell and Vicinity p. 317-327
Henry S. Conard
A Manual of the Gymnosperms ("Ever-Greens") of Iowa, Both Native and Cultivated p. 328-338
Henry S. Conard
Parry's Catalog of Iowa Plants of 1848 p. 339-344
Winifred Ellsworth
Structure and Function of the Stigma in Relation to the Germinative Requirements of the Pollen in the Easter Lily p. 345-345
J. N. Martin, Fred C. Werkenthin, and Elizabeth Hudson
The Structure and Development of the Seed Coat and Cause of Delayed Germination in Mellilotus alba p. 345-346
J. N. Martin
The Relation of Cucurbit Mosaic to Wild Catnip p. 346-346
J. H. Muncie
The Nodal Infection of Corn by Diplodia zeae p. 346-347
L. W. Durrell
Effect of Hardness of Water on the Fungicidal Value of Mercuric Chloride Solutions p. 347-347
J. C. Gilman
Dolomites From the Austrian Tyrol and Other Localities p. 349-353
Nicholas Knight
A Chemical Classification of the Activities of Soil Microorganisms p. 355-359
Paul Emerson
Electrometric Titration of Sulfurous Acid with Permanganate p. 361-364
W. S. Hendrixson and L. M. Verbeck
The Electrometric Standardizing of Titanous Solutions p. 365-369
W. S. Hendrixson and L. M. Verbeck
Studies of Yeast V - Is Bios a Single Substance p. 370-370
Ellis I. Fulmer and V. E. Nelson