Proceedings of the South Dakota Academy of Science, Volume - 11, Year - 1927.

TABLE OF CONTENTS  

AUTHOR NAME       

PAGE

Officers of the Academy  

  

3

Committees  

  

3

Minutes of the Thirteenth Annual Meeting  

  

5

Papers:

Conservation of Bird Life.  

A. P. Larrabee  

15

The Cicindelidae (Tiger Beetles) of South Dakota.  

G. I. Gilbertson  

22

 Observations on the Effect of Sulphur Dioxide on Native and Introduced Vegetation.  

Arthur T.Evans  

27

A Third Report Upon the Membracidae (Tree-Hoppers) of South Dakota.  

H. C. Severin  

33

Additions to the List of Fishes of South Dakota.  

E. P. Churchill  

50

The Food of Bullheads in Certain Lakes of Eastern South Dakota (Preliminary Report).  

Louella E.Cable  

53

Iodine and Goiter  

  

58

The History of the Geography of South Dakota Before 1804.  

Wm. H. Powers  

66

Mathematics Aptitude to Other Aptitudes.  

R.D.Sinclair  

81

Flora of the Upper Missouri Valley.  

W.H. Powers  

85

Price and Production Relationship.  

Owen L. Dawson  

101

South Dakota's Animal Health Laboratory.  

Dr.  C. C. Lipp  

106