Proceedings of the South Dakota Academy of Science, Volume - 30, Year - 1951.

TABLE OF CONTENTS  

AUTHOR NAME  

PAGE

Minutes of the Thirty-Sixth Annual Meeting.  

5

List of Papers Presented.at the Thirty-Sixth Annual Meeting.  

9

Minutes of the Ninth Annual Meeting of the Junior Academy of Science.  

11

In-Memoriam: Bertrand Ackley Dunbar, 1871-1950.  

A. S. Harding, J. A. Giddings and Floyd J. LeBlanc  

14

In Memoriam: George Lincoln Brown, 1869 -1950.  

A. S. Harding, J. A. Giddings and Floyd J. LeBlanc  

16

In Memoriam: Niels Ebbesen Hansen, 1866-1950.  

A. S. Harding, J. A. Giddings and Floyd J. LeBlanc  

18

In Memoriam: Charles Clinton Lipp, 1873-1950.  

A. S. Harding, J. A. Giddings and Floyd J. LeBlanc  

20

The Effect of the Concentration of Phosphate Buffer on the Suecinic Oxidase System. (Abstract),*  

Rosalie Nerheim and Keatha K. Krueger  

22

Presidential Address: Present Day Importance of Mathematics.  

William E. Ekman  

23

Serial Recognition as a Function of List Length, Form and Color Content and Speed of Presentation.  

H. E. Gudeman and R. T. Davis  

29

The Natural Sciences in the Core Curriculum at Yankton College.  

Frank W. Jobes and Gregg M. Evans  

36

Condensation of Maleic Anhydride with Phenols.  

V. S. Webster and Leslie D. Kamstra  

40

Some Studies on the Effect of the Prolonged Administration of Thioracil to Rats. (Abstract)**  

H. J. Clausen  

 50

Preliminary Studies on the Effect of ACT14 in Selenium Intoxication (Abstract).  

Donald F. Petersen and Alvin L. Moxon  

51

Origin of the Mandan Indians (Abstract).  

Wesley R. Hurt, Jr.  

52

The Reaction of Selenious Acid with Glutathione.  

Donald F. Petersen  

53

Effect of Alpha-Amino Acids on the Sulfonated Alpha-Naphthol Carbohydrate Test.  

Arthur W. Devor and Leslie Kamstra  

57

X-ray Diffraction Pattern of an Amorphous Sample of the Dibarium Salt of Adenosine Triphosphate.  

A.Glenn Nerheim and Edwin H. Shaw, Jr.  

65

Ordering Acts in Behavior Organization.  

H. R. Fossler  

68

Expiration of Volatile Selenium Compounds from Selenized Rats.*  

Donald F. Petersen, Harlan L. Klug and Richard D. Harshfield  

73

Dark Adaptation as a Function of Caffeine and Nicotine Administration.  

R. G. Troemel, R. T. Davis and C. D. Hendley  

79

The Reactions of Potassium Ferrocyanide and Hydroferrocyanic Acid with Positive Tri-Valent Ions of Antimony, Arsenic and Phosphorous.  

Leo Parts and John A. Froemke  

85

Fractionation of the "Selenium Protective Factor" in Flaxsee.  

Andrew W. Halverson, Donald F. Petersen and Harlan L. Klug  

97

Histochemical Studies on the Esterases in Nerve Tissue (Abstract).*  

Merle E. Fox and W. L. Hard  

103 

Preliminary Report on the Chromatographic Separation of the Soluble Amino Acids of Wheat Plants.***  

Frances L. Moyer and Eugene I. Whitehead  

104    

Geological Mapping of the Missouri Valley.  

Bruno Petsch  

110

Some Effects of Phenylalanine, Methionine or Threonine Deficient Diets on the Rat (Abstract).*  

Earl B. Scott and Charles Schwartz  

113

Preliminary Notes on Treatment of Pheasant Ovaries with X-rays (Abstract).  

Raymond J. Greb  

114

Variations in the Rate of Growth of Corn Seedlings.**  

John M. Winter  

115

The Adenosinetriphosphatase Activities of Skeletal and Cardiac Muscle Extracts (Abstract).  

William O. Hanson and Charles Schwartz  

121

Choline and Vitamin B-12 in Nutrition of the Weanling Albino Rat (Abstract).  

Norman D. Korbitz and Robert H. King  

122

How the South Dakota BadLands Formation was Made.  

Charles L. Baker  

124

Growth and Selenium Content of Wheat Plants as Related to the Selenite Selenium Content of Soil.***  

Ronald J. Johnson and Eugene I. Whitehead  

130

Isolation and Characterization of Urinary Porphrins (Abstract).  

James W. Holleman, Edwin H. Shaw, Jr. and Robert H. King  

137

Regulated Cell Reception of Certain Analgesics (Abstract).  

Richard Harshfield and Donald Slaughter  

139

Congenital Alopecia In the Albino Rat (Abstract).  

George H. Stidworthy and Robert H. King  

140

Cement Materials Near Yankton, South Dakota.  

Robert E. Curtiss  

142

Suggestions to Authors.  

147

* This work was supported in part by a grant from the U. S. Public Health Service.

** This work was supported in part by a grant from the South Dakota Cancer Society.

*** Supported in part by the Atomic Energy Commission Contract No. AT (11-1)-97.