Presidential Address

The Place of Natural Sciences in the Liberal Arts Curriculum

Frank G. Brooks

10-15

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Invited Address

Science Confronts Two Worlds

E. H. Lindley

15-21

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Biological Sciences

Poison Ivy and Poison Sumac as an Etiologic Factor in Contact Dermatitis in the Central States

Fred A. Barkley

22-30

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Aspection in an Illinois Forest Edge Community

J. Richard Carpenter

30-31

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Some Observations on the Number and Size of Samples Necessary to Make an Adequate Sampling of a Prairie Biotic Community

J. Richard Carpenter

31

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Plant Distribution in a Central Oklahoma Prairie

J. Richard Carpenter

32

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Oil and Protein Studies of Oklahoma Grown Soy Beans

James E. Webster, Burton F. Kiltz

32-36

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A Preliminary Report of Positive Phototropism vs. Negative Geotropism as a Determining Factor in the Directional Growth of Stems

D. H. Foster

37-38

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Rare and Unusual Plants in Oklahoma

Ora M. Clark

38

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Peat Deposits in the Rocky Mountains

Paul B. Sears

39-40

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The Effect of Fertilization on the Replaceable Bases in the Soil

H. F. Murphy

41-43

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Humus Stratigraphy as a Clue to Past Vegetation in Oklahoma

Glenn C. Couch

43-44

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New Records of Flowering Plants from Southeastern Oklahoma

Elbert L. Little

44-49

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The Quantitative Determination of Lipase in Milk

Ruth Reder

49-50

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Iodine in Oklahoma Vegetables

V. G. Heller

51

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Hair-Loss as Effected by Diet with Particular Reference to the Effect of Gossypol

Ruth E. Reder

52-54

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An Apparent Case of an Inherited Tendency to a Specific Type of Tuberculosis

Joseph H. Holt

54

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Spermioteleosis of Bruchus quadriamaculatus Fabr.

George H. Mickey

54-55

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Observations on the Gonads of the English Sparrow from May to November

Christia Allender

55-56

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Some Unusual Mitotic and Meiotic Stages in Ascaris megalocephala bivalens

J. Richard Carpenter

57

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The Effect of Early Vitamin Depletion on the Capacity of Animals to Grow and Develop During Later Life

Willis D. Gallup

58

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Studies of the Rate of Digestion and Absorption during Avitaminosis B and G

Ruther Reder

58-61

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Additional Records of Birds of Tulsa County and Vicinity

Edith R. Force

61-62

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The Effect of Caffeine-Containing Beverages Upon the Growth, Reproduction and Lactation of Albino Rats

Laura A. Miller

63-65

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Some Parasites of Crows of Central Oklahoma

J. W. Ward

65-66

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New Records of Invertebrates for Oklahoma

A. H. Trowbridge

67-68

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Seasonal Variations in the Invertebrate Population of a Central Oklahoma Prairie, November 1933 to November 1934

Martha W. Shackleford

69-72

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A Preliminary Survey of Important Factors Which Affect Tree Development in Western Oklahoma

Horace J. Harper

73-77

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Organic Iron and Hydrogen-Ion Concentration as Associated Factors Affecting the Rate of Reproduction of Lemna Major

Claude L. Fly

77-80

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Geological Sciences

Bathymetric Map of Lake Michigan

O. F. Evans

80-81

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Hematite in the Reagan Sandstone Along the Northeast Edge of Wichita Mountains and in the Arbuckle Mountains

A. J. Williams

81-82

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Caliche--A Neglected Oklahoma Resource

C. N. Gould

82-84

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Geological Conditions in the Naval Reserve Oil Field, Osage County, Oklahoma

H. C. Vanderpool

84-86

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The Relation of Solar Radiation to Sun Spot Cycles

Clyde Bollinger

92-100

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The Relation of Population Density to Indices of Income in Oklahoma, 1930

Allen Belden

100-102

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Physical Sciences

Angular Constants of Microcrystalline Profiles and Silhouettes in the Conclusive Identification of Substances

A. C. Shead

86-91

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Electrical Resistance of Cadmium Films

Edith Townes

91

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Social Sciences

A Study of Distinguished Students at Oklahoma A. and M. College

S. L. Reed

102-105

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Labor Provisions of the NRA Codes

Angus H. McDonald

105-108

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The Present Status of Self-Help Cooperatives

Frederick L. Ryan

109-112

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Extent of Individual Differences Among School Children within the Same System

Oliver Hodge

112-115

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The Cultural Assimilation of the Czechoslovaks in Oklahoma City

William E. Martin

115-119

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Oklahoma's Need for a State Land Policy

C. P. Blackwell

119-121

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Nature and Extent of the Relief Load in Oklahoma

J. J. Rhyne

121-122

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Land Utilization Survey of Consolidated School District No. 3 of Dewey County, Oklahoma

Vay H. Williams

122-124

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A Decade of Curriculum Changes in Oklahoma High Schools

Herbert Patterson

124

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