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Proceedings of the South Dakota Academy of Science, Volume - 31, Year - 1952. |
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TABLE OF CONTENTS |
AUTHOR NAME |
PAGE |
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Minutes of the Thirty-Seventh Annual Meeting |
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5 |
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List of Papers Presented at the Thirty-Seventh Annual Meeting |
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12 |
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Minutes of the Tenth Annual Meeting of the Junior Academy of Science |
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15 |
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Problem Solving with Pure Tone Stimuli. |
R. G. Poland, H. V. Cobb, R. T. Davis |
18 |
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Dilution and Exposure-Time of Powder Samples for Optimum X-ray Root-Stem Transition in Mirabilis Nyctaginea. |
Ward L. Miller |
21 |
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Diffraction Patterns with Copper Radiation. (Preliminary Report). |
Edmunds M. Pogainis and Edwin H. Shaw, Jr. |
24 |
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PRESIDENTIAL ADDRESS: Philosophies of Teaching and Teaching Problems. |
E. R. Binnewies |
31 |
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Some Observations on Insecticide Tolerances in House Flies. |
Wm. M. Rogoff |
36 |
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A Key to the Families of Flowering Plants and the Genera and Species which are in Bloom During the Spring in Southeastern South Dakota. |
John M. Winter and Clara K. Winter |
41 |
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The Description of the No-Tail Breed of Sheep Following Forty Years of Breeding. |
R. M. Jordan |
103 |
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Artesian Conditions of Southeastern South Dakota. |
R. C. Barkley |
105 |
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Studies on Rates of Deterioration for Standard Carbohydrate Solutions. |
Arthur W. Devor, John R. Stamer and N. W. Gullickson |
108 |
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Polarographic Studies of Certain Unsaturated Acids. |
A. Glenn Nerheim and C. R. Estee |
111 |
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A Survey of the Microflora Obtained by Flushing the Normal Bovine Uterus. |
Johannah J. Wulf and Arthur E. Dracy |
116 |
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The Shift in pH and its Effect on Growth Rate Values of Corn Seedling Roots. |
Donovan C. Wachlin |
123 |
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Solutions of the Meier Pendulum Problem as a Function of the Method of Problem Presentation. |
H. V. Cobb and S. H. Brenneise |
138 |
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Pod Dehiscence in Astragalus Canadensis L. (Abstract). |
David J. Holden |
143 |
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A Chart for the Application of Electronic Theory of Organic Chemistry to Carbon-Carbon Bond Forming Reactions. |
George P. Scott |
147 |
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Growth of Spirillum serpens in Synthetic Media. |
Paul Distad and Adaline N. Mather |
155 |
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Some Characteristics of the Hatching Enzyme in the Eggs of Melanoplus Differentialis (Thomas). |
J. Hervey Shutts |
158 |
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Growth and Toxin Production by Clostridium botulinum in the Presence of Sulfhydryl Compounds. (Abstract). |
Dean Guenther and Adaline N. Mather |
164 |
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Studies on the Effect of High Carbohydrate Concentration on the Sulfonated Alpha-Napthol Carbohydrate Reaction. |
Arthur W. Devor, Robert N. Pengra and Edmund Graham |
165 |
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Oxidative Activity of Cell-free Extracts from Bacteria. (Abstract). |
Edward B. Wylie and Adaline N. Mather |
169 |
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Competitive Behavior Between Inbred Strains of Mice. |
H. D. Doner, Carl Inman and R. T. Davis |
172 |
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Running Speed of Rats as a Function of Auditory Stimuli. |
R. G. Poland, E. A. Helstrom and R. T. Davis |
177 |
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The Riboflavin Content of Some South Dakota Barleys. |
George Gastler and Andrew Halverson |
182 |
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The Effects of Ionic Action and Osmotic Pressure up on the Fresh-water Rotifer, Philodina roseola. (Abstract). |
Donald Kurvink and O. M. Lofthus |
184 |
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Amino Acids of Wheat Plants and Kernels as Determined by Starch Column Chromotography. |
Frances Moyer and E. I. Whitehead |
185 |
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Microfossils of the Niobrara Formation. |
E. J. Bolin |
190 |
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Studies with Selenium 75 I. Selenium Uptake by Wheat Plants as Determined by Measurements of Radioactivity and A.O.A.C. Method of Selenium Analysis. |
Ronald R. Johnson and E. I. Whitehead |
194 |
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Use of 4,5-Benztropolone in Detecting Sodium. |
Gordon E. Williams, David B. Camp and George P. Scott |
199 |
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Utilization of Carotene and Vitamin A by Rats Deficient in Essential Fatty Acids. |
Andrew Halverson and Alvin L. Moxon |
203 |
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Effect of Trace Minerals and Urea Upon Losses of Carotene in Feed Supplements. |
L. D. Kamstra, A. W.Halverson and L. B. Embry |
208 |
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Archaeological Investigations of the Scalp and Ellis Creek Sites. (Abstract). |
Wesley R. Hurt, Jr. |
212 |
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Cerebral Blood Flow Studies. |
Lawrence Savage and W. L. Hard |
214 |
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The Electro-optic Effect in Monoclinic Crystals. |
Spencer Macy |
216 |
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The Measurement of Index of Refraction by Use of the Interferometer. |
George Eakins, William Hoffman and Melvin Rice |
219 |
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Operant Responses of Inbred Strains of Mice Before and During Water Deprivation. |
Warren G. Lehan, Davis A. Krochock and Roger T. Davis |
221 |
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The Polarographic Determination of Reaction Rates. |
R. E. Anderson and C. R. Estee |
225 |
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The Dielectric Constants of a Series of Selected Organic Compounds. |
Donald Witt and C. R. Estee |
229 |
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The Experimental Determination of Equivalent Conductances. |
W. Pierce Smith and C. R. Estee |
237 |
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Measuring Capacitance in Transient Circuits. (Abstract). |
Elliot Miller and Leland Granberg |
244 |
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Thyroid Effects on Vitamin Metabolism in the Rat. (Preliminary Report). |
George Stidworthy and Robert H. King |
248 |
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Conservative Forces and the Differential Equation. |
Gilbert E. Schaefer and G. Don Alkire |
266 |