Proceedings of the South Dakota Academy of Science, Volume - 45, Year - 1966.

TABLE OF CONTENTS  

AUTHOR NAME  

PAGE

General Publication Policy  

5

Suggestions to Authors  

5

Minutes of the Fifty-First Annual Meeting of the South Dakota Academy of Science.  

6

Treasurer's Report  

22

Minutes of the Collegiate Section, South Dakota Academy of Science.  

23

Minutes of the Junior Academy of Science.  

24

Membership List:

Senior Academy  

27

Collegiate Section  

31

Junior Academy  

32

Presidential Address.  

Marvin Hanson  

35

Fundamental Problems in Physics.  

J. D. Patterson  

42

Research Papers Presented at the Scientific Session of the Fifty-First Annual Meeting of the South Dakota Academy of Science:

Fossil Invertebrates From the Big Badlands of South Dakota.  

John Paul Gries and Gale A. Bishop  

57

Occurrence of the Young of Baculites Compressus Say s. s., Meade County, South Dakota.  

John C. Mickelson and Gale A. Bishop  

62

Late Wisconsin Ice-Perched Lake Deposit, Lincoln County, South Dakota.  

Fred V. Steece  

67

Pteranodon sternbergi, a New Fossil Pterodactyl from the Niobrara Cretaceous of Kansas.  

J. C. Harksen  

74

Small Mammals of the Middle Oligocene of the Big Badlands of South Dakota.  

Gary D. Johnson  

78

Distribution and Abundance of Phytoplankton and Rotifers in a Main Stem Missouri River Reservoir.  

Patrick L. Hudson and Bruce C. Cowell  

84

In Vitro Cultivation of Adult Stages of Some Trichostrongylid Nematodes of Ungulates. I. Amino Acids and Water-Soluble Vitamins.  

Algirdas Greichus  

107

Notes on the Occurrence of Spiders in Southeastern South Dakota.  

Robert Buckman  

118

Notes on Larval Trematodes from Snails Collected in Eastern South Dakota.  

Ross F. Shaw, Frederick G. Duerr and Charles M. Vaughn  

124

Age and Growth of the Stonecat, Naturus Flavus Rafinesque, in the Vermillion River.  

Dale R. Carlson  

131

A Chromatographic Survey of Selected Taxa of Cirsium Mill and Carduus L.  

Norbert F. Belzer  

138

Observations on Possible Ecotypes in Fraxinus Pennsylvanica.  

G. R. Hoffman and D. A. Wikum  

156

A Bibliography of Vegetation Studies in the State of South Dakota.  

G. R. Hoffman and D. J. Rogers  

164

Gamma Irradiation and the Sex Ratio.  

Walter Morgan  

170

Effect of Physical Form of the Ration on Ruminal Volatile Fatty Acids and Body Fat Composition of Sheep.  

Y. Greichus, R. Rice and G. Miller  

178

The Isolation, Identification and Quantative Determination of Some Organic Constituents of Prunus Domestica.  

Juel L. Melstad and Bernard J. Brandwein  

185

Total Free Amino Acid Nitrogen in Eleven Species of Snails: A Consideration of Some Variable Factors.  

David N. Emerson  

196

Oriented Crystallization of 4-Aminoantipyrine on Collagen and its Relation to Lathyrism.  

E. H. Shaw  

202

Contact Angles in Quartz-Trimethyldodecylammonium Chloride and Hydroxide Solution-Nitrogen Systems at High pH.  

R. W. Smith and N. Gjelsvik  

205

The Pade Approximant Method Applied to Wojtowicz's Series Describing the Magnetic Specific Heat of EuS.  

Alfred L. Broz  

212

Linear Perturbation of Fluid Flow Past a Deformable Cylinder.  

Merlowe J. Anderson and Wallace A. Raab  

220

An Elementary Proof of the Solvability of Groups of Order paq.  

William Lindgren  

226

In Vitro Cultivation of Adult Stages of Some Trichostrongylid Nematodes of Ungulates. II. Complex Vita-Mineral Media.  

Algirdas Greichus  

227

Research Papers Presented at the Collegiate Section South Dakota Academy of Science:

Effects of the Tranquilizer, Chlorpromazine Hydrochloride, on Chicken Embryos From the Second to the Seventh Day of Development.  

Sister Kieran Diggins and Judy Fitzgibbon  

238

The Group of Symmetry Operations of a Five-Sided Anti-Prism.  

Kay Clauson  

245

Identification of the Characteristic Flora of Supella Supellectilium.  

Rosellen Doom and Mary Ellen Curtice  

255

Minor Structures in the Minnekahta Formation.  

Paul A. Lundy  

260

Initial Conditions that Lead to Straight Line and Circular Orbits for Particles Subject to Isotropic Simple Harmonir Motion.  

James H. Battey  

264

An Experiment in Fresnel Diffraction.  

Dale Dutt  

269

Fields Generated by Gaussian Primes.  

Duane M. Broline  

274

A New Self -Retaining Iris Retractor.  

Richard K. Widdoss  

278

Abstracts of Papers Presented Before the Senior and Collegiate Section of the South Dakota Academy of Science  

282