Table of Contents
Academy Business
| Officers, Committes, Minutes, Winter Meeting | |
| 3-26 |
Memorials
| Charles Davis | |
| M. L. Fisher | 27-28 |
| Percy Norton Evans | |
| Stanley Coulter | 29-31 |
| John Newell Hurty | |
| John S. Wright | 32-35 |
| Edwin Sheldon Johonnott | |
| C. L. Mees | 36-38 |
| Thomas Carwin Mendenhall | |
| C. L. Mees | 39-40 |
| Edwin George Proulx | |
| R. H. Carr | 41-42 |
| Philip Spong | |
| H. L. Bruner | 43-44 |
Papers--General
| President's Address—The Earth's Framework | |
| E. R. Cumings | 45-62 |
| Biologic Sciences in our High Schools | |
| Alfred C. Kinsey | 63-66 |
| Improvement of the Disciplinary Training of High School Science | |
| Edwin M. Bruce | 67-72 |
| Phases of Science Teaching in Secondary Schools | |
| Frederik C. N. Hedebol | 73-78 |
Papers on Geology, Geography, and Archaeology
| Cloud Types | |
| W. M. Tucker | 79-82 |
| Forms of Condensation of Water Vapor | |
| W. M. Tucker | 83-86 |
| Some Geological Features of Wayne County, Indiana | |
| T. M. Bushnell | 87-90 |
| Notes on the Areal Geology of Hancock County, Indiana | |
| W. E. Tharp | 91-92 |
| The Glacial Boundary in Indiana | |
| Clyde A. Malott | 93-108 |
| Notes of the Pre-glacial Drainage of the Tradewater River, Kentucky | |
| Gerard Fowke | 109-110 |
| Fauna of the Brassfield Limestone of Jefferson County, Indiana | |
| J. Archer Culbertson | 111-120 |
| Description of Some Fossil Plants from the Stanford Paleontological Collection | |
| Albert B. Reagan | 121-124 |
| A Special Case of Drainage Adjustment near the Illinois Drift Margin in Southeastern Owen County, Indiana | |
| Arch R. Addington | 125-130 |
| Geographical Positions with a Sextant | |
| W. A. Cogshall | 131-132 |
Papers on Chemistry, Physics, and Mathematics
| The Calcination of Dolomitic Limestones | |
| Herman T. Briscoe | 133-140 |
| The Electrometric Titration of Some Aluminum Solutions | |
| F. O. Anderegg, G. W. Daubenspeck | 141-148 |
| Notes on the Singing Hydrogen Flame | |
| W. M. Blanchard | 149 |
| Notes on the Combustion of a Candle in Chlorine | |
| W. M. Blanchard | 149 |
| Determination of the Percentage by Volume of Oxygen in the Air | |
| Ralph W. Hufferd | 150 |
| Continuation Course in Chemistry | |
| John White | 151-154 |
| Potentiometric Titrations with Hydrazine Sulfate | |
| M. G. Mellon, V. N. Morris | 155-157 |
| Adsorption of Precipitates | |
| V. N. Morris | 158-164 |
| The High Frequency Resistance of Condensers in Series | |
| R. R. Ramsey | 165 |
| On the Resistance of Radio Circuits | |
| R. R. Ramsey | 166-168 |
| Recent Progress in Fixation of Nitrogen | |
| Alfred T. Child | 169-174 |
| The Use of Determinants in College Mathematics | |
| Will E. Edington | 175-178 |
Papers on Botany and Bacteriology
| An Unusual Impatiens Biflora— II | |
| F. M. Andrews | 179 |
| Etiolation | |
| F. M. Andrews | 180 |
| Misdirected Leaves of Setaria Glauca | |
| F. M. Andrews | 181 |
| Starch Formation | |
| F. M. Andrews | 182 |
| On the Number of Chloroplasts in the Cells of the Sporophyte of Anthoceros laevis | |
| Atha A. Pinnick | 185-188 |
| Some Anomalies in the Development of the Seed of Pinus | |
| Alma Marie Bell | 189-196 |
| Plants New and Rare in Indiana—XIII | |
| Chas C. Deam | 197-198 |
| Recent Indiana Weeds, 1925 | |
| Albert A. Hansen | 199-200 |
| An Ecological Study of the Flora of Fountain Park and Portions of the Adjacent Territory: Jasper County, Indiana | |
| Winona H. Welch | 201-212 |
| Bacterial Spores for Class Work | |
| P. A. Tetrault | 213-214 |
| Bacteria in the Roots of Gleditsia triacanthos L. | |
| Gladys M. Friesner | 215-224 |
| Some Xylarias of Indiana | |
| Stacy Hawkins | 225-230 |
| A New Species of Graphium | |
| J. M. Van Hook | 231 |
| Gloeosporium hysterioideum Dear, and Barth. —A Leaf Disease of Acer saccharum Marsh | |
| J. M. Van Hook | 232 |
| Indiana Fungi— IX | |
| J. M. Van Hook | 233-236 |
| Indiana Plant Diseases, 1924 | |
| Max W. Gardner | 237-258 |
| Agglutinin Production, Frequency of Injections Varied, Dosage and Total Amount Injected Constant | |
| Charles A. Behrens | 259-260 |
| On the Non-Appearance of the Negative Phase in Treatment with Heterophile Antigen by Mouth | |
| H. M. Powell | 261-264 |
| Observations on Damage to Drills by Copper Carbonate Treated Wheat | |
| C. T. Gregory, I. D. Mayer | 265-268 |
Papers on Zoology and Entomology
| Studies in Behaviorism | |
| C. W. Hargitt | 269-274 |
| Abnormal Growth in the Incisor Teeth of the Woodchuck | |
| Walter N. Hess | 275-276 |
| A Synopsis for the Identification of the Amphibians and Reptiles of Indiana | |
| George S. Myers | 277-294 |
| A Neglected Factor in Prosthesis | |
| Edward N. Canis | 295-298 |
| Opportunities in Entomology | |
| J. J. Davis | 299-302 |
| The Insect Situation in Indiana, 1925 | |
| J. J. Davis | 303-320 |
| A Specimen of the Extinct Musk-Ox, Symbos cavifrons (Leidy) from North Liberty, Indiana | |
| Marcus Ward Lyon Jr. | 321-324 |
| Strange Visitors: The Starling, Burrowing Owl and Harris' Sparrow | |
| Amos W. Butler | 325-328 |
| Euthenics and Biography | |
| Robert Hessler | 329-338 |
| Birds of Madison County, Indiana | |
| Sidney E. Esten | 339-356 |
| Further Notes on Summer Birds of Winona Lake | |
| Louis Agassiz Test, Sidney R. Esten | 357-360 |
| Typhoid Fever Epidemic at Winona Lake during the Summer of 1925 | |
| Louis Agassiz Test | 361-364 |
| The Biota of a Section of the Upper Tippecanoe River | |
| Will Scott | 365-368 |
Back Matter
| Constitution and By-Laws, Members, Index | |
| 369-393 |