Proceedings of the South Dakota Academy of Science, Volume - 51, Year - 1972.

TABLE OF CONTENTS  

AUTHOR NAME  

PAGE

Minutes of the Fifty-Seventh Annual Meeting of the South Dakota Academy of Sciences  

6

Committee Reports:

Junior Academy  

6

Auditing Committee  

6

Conservation Committee  

6

Publications Committee  

7

Membership Committee  

7

Collegiate Section  

7

Resolutions Committee  

7

Nominating Committee  

8

A.A.A.S. Report  

9

Addendum to Minutes  

10

Treasurer's Report  

11

Minutes of the Collegiate Section  

13

Minutes of the Junior Academy of Sciences  

14

Membership Lists:

Senior Academy  

16

Collegiate Section  

21

Junior Academy  

21

Presidential Address  

23

Research Papers Presented at the Fifty-Seventh Annual Meeting of the South Dakota Academy of Science:

Exact Equations of a Moving Charged Structureless Particle in an Arbitrary Curved Space.  

Amir Y. Tacawy and W. F. Klawiter, Jr.  

28

Pythagorean Triangles Whose Legs Differ by One.  

Dale C. Koepp  

30

Solutions of A³ + B³= A²  + B² + C².  

Ralph Kopp and David Ballew  

34

Relative Convergence of Series.  

Curtis A. Lipkie  

38

A Combinatorial Identity.  

Roger Opp  

50

Triangular Numbers With Repeated Digits.  

David W. Ballew and Ronald C. Weger  

52

The Diophantine Equation y²+k= x in Triangular Numbers.  

David W. Ballew and John E. Hutter  

56

Depression Formation in the Pierre Shale Landscape of Western South Dakota.  

Everett M. White  

58

A Method of Inducing a High Yield of Reciprocal Translocations in Sorghum.  

Hubert D. Haensel and James G. Ross  

64

An Electron Microscope Study of Protein Bodies of the Developing Oat Seed.  

Harbans S. Sraon  

69

The Use of Land Survey Records in Determining Past Vegetation in Eastern South Dakota.  

Dilwyn J. Rogers  

73

Biology of the Pupal and Imago Stages of Chironomus Pallidivittatus (Chironomidae:Diptera).  

John Hein and James C. Schmulbach  

80

A Simplified System for Scoring Sperm Motility.  

Walter Morgan  

89

The Plankton and Benthos of Abbey Pond, 1970 and 1971.  

T. W. Gengerke and J. G. Nickum  

96

The Physical-Chemical Limnology of a South Dakota Farm Pond, 1965-1971.  

T. W. Gengerke, J. G. Nickum and W. C. Thorn  

111

Zinc in Surface and Subsurface Soil Horizons.  

Lawrence O. Fine  

122

Temperatures in Unattended Pheasant Nests in Nebraska.  

Raymond L. Linder  

126

Tests on Learning Ability of the White Pelican.  

Raymond L. Linder and Yvonne A. Greichus  

132

The Effect of Pesticides on the Siol Amoeba Acanthamoeba Castellanii (NEFF).  

Lansing M. Prescott and Dorothy L. Olson  

136

Temperature and Host Suitability Studies on Tylenchorhynchus Nudus.  

James D. Smolik and R. B. Malek  

142

Organogenesis in Daylight Callus.  

C. H. Chen and D. J. Holden  

146

Radioactivity in Artesian Wells.  

Dan C. Carda  

150

Reproduction of Tylenchorhynchus nudus and Heliocotylenchus leiocephalus on Spring Wheat and Effect of T. Nudus on Growth of Spring Wheat.  

James D. Smolik  

153

Comparison of Benthic Organisms in Semi-Natural and Channelized Portions of the Missouri River.  

Jesse Wolf, Jean McMahon and Sister Maureen Diggins  

160

Chironomidae, Ephemeroptera and Trichoptera in the Benthos of Unchannelized and Channelized Portions of the Missouri River.  

Jean McMahon, Jesse Wolf, and Sister Maureen Diggins  

168

Macroscopic Benthos Populations in Lake Poinsett, South Dakota.  

Stephen B. Smith and Donald C. Hales  

182

Computer Supported Conjectures on Primitiae Roots.  

Mike Fiddes  

195

Survival, Maturation, and Reproduction of Aceria tulipaie (Keifer), Vector of Wheat Streak Mosaic Virus, at Different Temperatures.  

Magdalena L. Briones and Webster H. Sill, Jr.  

201

Thermal Conductivity of Styrofoam by the Radial Heat-flow Method with Comparison to Computer Modeling Results.  

K. Dopp and T. Ashworth  

214

Audible Edgetones.  

William S. Shaw and T. Ashworth  

219

Thermodynamics of Finite Hubbard Magnetic Systems.  

Dennis Schnabel and J. D. Patterson  

225

Determination of Transitions in Polymers by Thermal Conductivity Measurements and a Model for the Observed Behavior.  

J. E. Loomer and T. Ashworth  

231

Analysis of the Unguarded Plate System for the Measurement of Thermal Conductivity.  

J. E. Loomer and T. Ashworth  

238

Papers Selected by the Junior Academy Advisory Committee to Include in the Proceedings:

The Effect of Sound on the Growth of Garden Beans.  

Marge Skubic and Janet Westin  

245

"Shocking".  

Rebecca Painter  

252

Abstracts of Papers Presented Before the Collegiate Section.  

257

Abstracts of Papers Presented Before the Senior Section.  

262

Papers Read by Title.  

272