Presidential Address

Research as a State Policy

Homer L Dodge

14-23

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Biology

A Preliminary Report on the Seasonal Aspects of Six Habitats Near Norman, Oklahoma

H M Hefley Jr.

24-33

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Overgrazing from an Ecological Point of View

W E Bruner

34-38

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Preliminary Observations on the Depth, Spread and Characteristics of the Root Systems of Our Common Garden Plants

W E Bruner

39-49

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Preliminary Observations on the Root Development of Cotton, Tobacco and Peanut

W E Bruner

50

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Preliminary Observations on the Movement of Solutions in the Soil

W E Bruner

51

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The Activities of Young Chicks after the Removal of their Semi-Circular Canals

L B Nice

52-53

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Nystagmus in Young Chicks

John B Todd

54

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The Effect of Hot and Cold Applications on Normal Uterine Contractions

Alma J Neill

55-58

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Factors Concerned in the Formation of Renal Anomalies with Report of an Unusual Case

John M Thuringer

59-62

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Census of the Song and Insectivorous Birds of Oklahoma

George B Saunders Jr.

63-70

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Observations of Some Oklahoma Birds

George B Saunders Jr.

71-78

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September Nesting of the Mourning Doves in Norman in 1925

Margaret Morse Nice

79-80

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A Study of a Nesting of Magnolia Warblers

Margaret Morse Nice

81

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A Preliminary List of the Protozoa of Cleveland County

Geraldine Gabel

82-84

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The University of Oklahoma Museum of Zoology Expedition of 1925

A I Ortenburger

85-88

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A Report on the Amphibians and Reptiles of Oklahoma

A I Ortenburger

89-100

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Field Observations on Some Amphibians and Reptiles of Pima County Arizona

A I Ortenburger

101-121

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Some Bats from Oklahoma

A I Ortenburger

122

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A Report on the Fish of Oklahoma, with Description of New Genera and Species

A I Ortenburger

123-141

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Notes on Coleoptera from Southeastern Oklahoma with a few Records from Adjacent Portions of Texas and Arkansas

A I Ortenburger

142-148

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Notes on Oklahoma Orthoptera with a List of Species from the State

T H Hubbell

149-183

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Some Oklahoma Hemiptera

A I Ortenburger

184-192

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Bird Records from Southern Oklahoma

R D Ortenburger

193-196

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A Key to the Snakes of Oklahoma

A I Ortenburger

197-218

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Odonata Collected in Southern Oklahoma during the Summer of 1925

A I Ortenburger

219-221

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Geology

The Highest Point in Oklahoma

C L Cooper

227-228

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A Stream Valley Type of Oklahoma

O F Evans

229-231

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The Norman Special Topographic Sheet

Robert Muldrow

232-233

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Dead Ones, or Obsolete Geological Formation Names in Oklahoma

Charles N Gould

234-238

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Radiate Structure of Sand Barite Crystal Masses

C N Gould

239-242

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Detailed Geology of the Northern Part of Murray County, Oklahoma

V E Monnett

243-245

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Spirifer Horizons of the Ohio Mid-Devonian

H Andrew Ireland

246-250

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A. The Pennsylvanian of Oklahoma and its Problems

Roy A Wilson

251-253

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B. Problems of Stratigraphy in Oklahoma

Roy A Wilson

251-253

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Preliminary Report on the Sycamore Limestone

C L Cooper

254-259

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Some New Fossil Algal Horizons in the Arbuckle Mountains

Charles E Decker

260-262

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New Leaf Fossils from the Permian of Central Oklahoma

Charles N Gould

263-264

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The Age of Rounded Sand Grains

G E Anderson

265-267

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The "Buried Hills" as a Structural Agency

V E Monnett

268-272

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Can We Classify the Methods by Which Oil Fields are Discovered?

John A Udden

273-278

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Some Features of Ore-Bodies Formed in Synclines by Meteoric Waters

C E Sanborn

279-285

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Producing Sands in the Garber Oil Field

Harold Vanderpool

286-289

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Physics

On Space Charge in Electrolytes

Duane E Roller

290-293

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The Effect of the Concentration Gradient on the Electric Field in an Electrolyte

Duane E Roller

294

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A Determination of the Melting Point of Sodium Electrolyzed Through Glass

J R Nielson

295-296

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The Phoneloscope for Sound Intensities

J H Cloud

297-298

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A Few Errors in Text Books

J H Cloud

299-300

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Test of a Wind-Electric Plant and the Relation of Wind Movement to Generated Electricity

Edwin Kurtz

301-309

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An Excellent, Inexpensive Conservation of Momentum Apparatus

H C Roys

310-312

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An Extreme Case of Electrolytic Conduction

J R Neilsen

313

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Transmutation of Elements

J R Nielsen

313-314

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Poggendorf's Fallmaschine

William Schriever

314-316

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Social Sciences

A Child's Vocabulary from Fifteen Months to Three Years

Margaret M Nice

317-333

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Some Sentences of a Boy of Three Years, Eight Months Old

Sophie R. A. Court

334-343

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The Teaching of Ideals and Development of the Traits of Character and Personality

M L Perkins

344-347

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The Materials of Educational Sociology

J V. L. Morris

348-357

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Some Tendencies in the Popularity of Secondary School Subjects in the Last Decade

H L Foster

358-360

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An Experiment in the Objective Measurement of a Result of Teaching

George F Miller

361-368

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A Progress Report on Oklahoma Archeology

J B Thoburn

369-371

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Prehistoric Migrations

J B Thoburn

372-378

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Alber Heald Van Vleet, a Pioneer Oklahoma Scientist

R E Jeffs

379-382

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