Presidential Address

The Present Status of the Mental Health Problem

L. S. McLeod

1-6

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Biological Sciences

A Preliminary Study of the Effects of Certain Insecticides Upon Wildlife in North Central Oklahoma

F. M. Baumgartner

6-10

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Parental Care in a Centipede

A. N. Bragg

pp. 10-11

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A Sexual Difference in Dermal Secretion in Spadefoot Toads

A. N. Bragg

pp. 11-12

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The Ascorbic Acid Content of East Texas Home Canned and Commercially Canned Tomatoes and Blackberries

M. J. Hawes

pp. 12-15

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Some Ecological Effects of Substances Produced by the Characeae

I. L. Ophel

15-17

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Asexual Reproduction in the Genus Basicladia, Hoffman and Tilden

D. V. Leake

17-20

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Notes on Oklahoma Plants

G. J. Goodman

20-21

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Notes on Oklahoma Flora

G. T. Robbins

22-24

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Salientian Collections in Oklahoma, 1948

A. N. Bragg

24-25

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The Effect of Nutrition Instruction Upon the Food Consumption of the Crippled Children in the Oklahoma Hospital for Crippled Children

V. I. Parman

26-27

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Food Preferences and Food Consumption of College Students

M. E. Kloos

27-29

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The Recent Meeting of the International Zoological Congress

R. O. Whitenton

29-30

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A Case of DDT Storage in Human Fat

D. E. Howell

31-32

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Life Cycle Studies on the Pecan Nut Casebearer, Acrobasis caryae Grote

G. A. Beiberdorf

32-35

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Notes on Certain Oklahoma Birds

J. C. Howell

35-37

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The Fruiting of Cotton in Relation to Insect Control

F. A. Fenton

37-38

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Geological Sciences

Some Geological Problems of Northeastern Oklahoma

L. M. Wright

39-41

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Large Smoky Quartz Crystals from the Wichita Mountains, Oklahoma

T. R. Polk

41-42

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The Structure of the Verden Sandstone

O. F. Evans

42-43

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Test Drilling the Rush Springs Sandstone

L. V. Davis

43

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Test Pumping of Ground Water in Oklahoma

E. W. Reed

43-44

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Seismograph Shooting and Water Wells

S. L. Schoff

44

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The Petrographic Character of Some Tourmaline and Zircon Detritals

E. L. Lucas

44-45

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The Relation of Initial Production to True Resistance in the Southeast Newcastle Field, Cleveland and McClain Counties, Oklahoma

V. E. Spradlin

45-49

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Relation of Electric Log Resistivities in Limestone to Oil Production

W. P. Milne

50-56

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Further Studies on the Recent Accumulation of Alluvium in the Flood Plains of Deep Fork of the North Canadian River, Lincoln County, Oklahoma

H. J. Harper

56-59

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Transportation of Sediments on the Continental Shelf

O. F. Evans

59-60

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Oil in the Gulf of Mexico

D. A. McGee

60-61

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Physical Sciences

Some Recent Contributions of the Electron Microscope to Microbiology

A. Eisenstark

62

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Luminous Jets from Pulsed Gas Discharges

R. J. Lee

62-64

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The Purification and Quantitative Estimation of Quercetin by Paper Partition Chromatography

T. B. Gage

64-67

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The Ultraviolet Spectrum of Naringin by Use of the Beckman Model DU Spectrophotometer

C. D. Douglass

67-70

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Chromatographic Adsorption Studies on Certain Flavones

T. B. Gage

71-73

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Metallic Bromides as Catalysts for the Friedel-Crafts Ketone Synthesis

O. C. Dermer

74-78

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A Precision-Type Reciprocating Stirrer for Laboratory Use

C. Starkley

78-81

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Design for a Multi-Tubular Furnace for Pyrolitic Decompositions

A. C. Shead

81-82

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Macroscopic Space Charge in Electrolytes During Electrolysis

C. A. Reed

83

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Telomerization

S. P. Massie

84

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The Relation Between So Called Crude and True Carotene of Native Grass Hay

W. D. Gallup

84-85

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Nitrogen Balance with Steers on Oil-Meal Rations

W. D. Gallup

85-87

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Social Sciences

Our Jovian Rainfall Cycle

C. J. Bollinger

88-93

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Significance of the Evaporation-Transpiration Factor in Oklahoma

D. C. Winslow

93-94

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Studies in the Climate of Oklahoma

A. F. Bennett

94-97

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The Climatic Factor in Wheat Farming on the Southern Great Plains

R. C. Fite

97-98

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The Cooperative Commonwealth Federation: A Western Canadian Social Movement

M. A. Waggoner

98-103

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The Exchange of Agricultural Plants and International Cooperation

N. Klose

104

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A Decade of Public Assistance in Oklahoma, 1937-1947

J. J. Rhyne

105-106

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Santayana's Interpretation of the Triumph of Christianity

E. S. Tanner

106-108

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Design and Construction of a Research Memory Drum

T. J. Baker

108-113

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A Comparison of the Methods of Scoring the Rorschach Method: Beck, Hertz, Klopfer

L. H. Rook

113-117

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The Program in Personnel Work at the University of Oklahoma

J. M. Latimer

118-120

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How Much Do You Know About Hypnotism?

J. C. Chambers

120-123

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Validity of a Learning Ability Test

R. L. Beck

124-129

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The Effects of Various Patterns of Verbal Incentives Upon Response Repetition

G. R. Stone

129-131

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Some Psychological Dimensions of Academic Administrators

R. L. Hobson

131

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Tide-Flow Method of Cultivation as Employed by the Carolina Rice Industry

J. E. Pearson

131-133

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Tobacco

J. W. Morris

133-135

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The Statistical Interpretation of Mineral Data

C. R. Thomas

136-143

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