Proceedings of the South Dakota Academy of Science, Volume - 24, Year - 1944.

TABLE OF CONTENTS  

AUTHOR NAME  

PAGE

Minutes of the Twenty-Eighth Annual Meeting  

5

In Memoriam- Lester Samuel Guss  

10

List Of Papers Presented  

12

Presidential Address- The Prospect Before Us.  

Orin M. Lofthus  

14

Human Linkage-Studies.  

H. Warner Kloepfer  

21

Differences in Lengths of Gestation Periods of Breeds of Beef Cattle, Swine and Sheep.  

Leslie E. Johnson  

27

The Stipulative Function and Induction.  

H. R. Fossler  

32

The Effect of Relative Humidity on Hatchability of Turkey Eggs.  

W. O. Wilson  

40

The Effect of the Effluent from the Sioux Falls Sewage Treatment Plant on the Fauna of the Big Sioux River.  

Edward P. Churchill  

43

The Need for a Mosquito Survey in South Dakota.  

H. C. Severin  

54

Some Observations on the Nitrate Content of Oat Plants.  

E. I. Whitehead, 0. E. Wilson and A. L. Moxon  

61

Tomato Experiments.  

Leon C. Snyder  

65

Arsenic Contents of South Dakota Cretaceous Formations.  

A. L. Moxon, W. V. Searight and 0. E. Olson  

68

The Carotene Content of Sheep Blood.  

Twila   M.Paulson, R. J. Hilmoe and A. L. Moxon  

81

A Color Test for Amines.  

Victor S. Webster  

85

Investigation of the Insecticidal Value of an Extract from Amorpha fruticosa.  

M. A. McCrory  

90

Diseases of Cereals, Flax, and Other Crops in South Dakota.  

W. F. Buchholtz  

98

A Comparison of the Effectiveness of the Complex Acids as Precipitants for Gelatin.  

Donald Mitchell Edwin H. Shaw Jr. and Guy G. Frary  

108

A New Topographic Map of South Dakota.  

E. P. Rothrock  

114

Analogues of Aniline Black.  

Herman P. Schmidt and Edwin H. Shaw Jr.  

116

Psychological and Educational Implications from Researches on College Superstitions.  

Earle E. Emme  

122