Proceedings of the South Dakota Academy of Science, Volume - 27, Year - 1948.

TABLE OF CONTENTS  

AUTHOR NAME  

PAGE

Minutes of the Thirty-Third Annual Meeting  

  

5

List of Papers Presented at the Thirty-Third Annual Meeting  

  

10

South Dakota Academy of Science, Membership List, 1948-1949  

  

12

Minutes of the Sixth Annual Meeting of the Junior Academy of Science  

  

17

Reagents for Extracting Glutathione and Precipitating Proteins from Biological, Materials (Abstract).  

Harlan L. Klug and George P. Lampson  

19

President's Address: The First Third of a Century of the South Dakota Academy of Science.  

A. L. Haines  

20

Construction of a Cathode Ray Oscilloscope and a Twelve Inch Newtonian Telescope Using War Surplus Materials.  

Warren L. Johnson, A. W. Pahn, Jr., Vernon Kuehn, E. Stahl, J. Rawlings, R. W. Liem, and Lawrey Chapin  

26

Expansion of Type Forms into Fourier Series.  

J. A. Bender and W. E. Ekman  

28

Composition of Missouri River Water Samples Taken at Monthly Intervals from May 15 to September 15, 1947.  

George P. Gastler and Alvin L. Moxon  

32

Time Series Analysis with Reference to the Business Activity Index of South Dakota.  

W. W. Gutzman and E. L. Walliser  

36

Methods of Testing in Science Teaching.  

J. Verduin  

39

Preparation of Selenium Derivatives of Sulfhydryl Compounds.  

George P. Lampson and Harlan L. Klug  

47

A Comparison of Methods for the Determination of Arsenic in Biological Materials and in Organic Compounds.  

Harlan L. Klug and George P. Lampson  

50

Health in South Dakota.  

Donald Slaughter  

54

Emotion, Action and Values.  

H. R. Fossler  

65

The Use of Buffered Solutions in the Qualitative Analysis of Antimony.  

John A. Froemke and J.Reid  

71

Standard Sodium Thiosulfate Solutions.  

Kenneth Davison and William H. Gauger  

73

The Viscosity of Mixtures of Acetic Acid and Methyl Alcohol, and Its Use in Determining Possible Chemical Compounds.  

John A. Froemke and Robert A. Delap  

78

Academy Address.  Mathematics as a Part of General Education.  

H. Vernon Price  

86

The Influence of Sodium Phenobarbital on the Polarographic Wave of Hydrogen Peroxide.  

Edwin H. Shaw, Jr. with the technical assistance of Dorothy Frankhauser  

92

Seasonal Changes in the Manganese Content of Grasses.  

A. L. Moxon and G. F. Gastler  

98

The Distribution of Phosphatase in Certain Tumors of the Mouse and Human (Abstract).  

W. L. Hard, H. R. Pratt-Thomas and Morris Belkin  

102

The Somatic Antigens of the Genus Agrobacterium.  

Kenneth R. Berquist and R. P. Elrod  

104

Lignin, Cellulose and Crude Fiber Changes in Maturing Western Wheat Grass.  

Chester Anderson and Alvin L. Moxon  

112

A New and Simple Method of Precise Cryoscopy.  

LeRoy Gronholz, Charles Schwartz and Huntington Jackson  

116

A Survey of the Nutritional Habits of South Dakota School Children.  

Charles Schwartz  

118

A Preliminary Study on the Water-Soluble Non-Protein Nitrogen Compounds in Aged Pork and Beef Muscles.  

Harlan R. Olson and Eugene I. Whitehead  

180

Psychrometry under Conditions of Reduced Air Flow.  

W. W. Grover, Jr.  

184