TABLE OF CONTENTS

Officers of the Academy.

3

Committee

3

Minutes ;

3

Papers

     Archeology-

          The Arikara Indian in South

               Dakota-W, H. Over

6

     Biology-

          Notes on the Life of Temporary

               Ponds-R. J. Gilmore

17

     Chemistry-

          The Preparation of Dichloramine T,

               Dakin's Modified Antiseptic-C. C. Wagner

19

          Derivities of Phenyl Ether-A. N. Cook,

               W. C. Evans, Daniel Sherk.

21

          Chemical Examination of the Oil of Proso-

               B. A. Dunbar and E. R. Buinewies.

25

          Notes on Possible New Methods of

               Qualitive Identification of Cl, Br and I

               Ions-B. A. Dunbar and M. C. White.

30

     Geology-

          Oil in South Dakota-Freeman Ward.

33

     Meteorology-

          Funnel Clouds at a Great Altitude.

39

Papers from the 1916 Meeting-

     On the Probable Number of Nebulae.--E. A. Fath.

44

          Parasitic Worms Found in South Dakofa-L.

          G. Atherton

46

The Retiring President--Prof. A. N. Cook.

52

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