Table of Contents
Academy Business
| Officers, Committees, Minutes, Winter Meeting | |
| 2-19 |
Memorials
| Edgar K. Chapman | |
| R. R. Ramsey | 20-21 |
| Joseph N. Donahue | |
| J. A. Nieuwland | 22 |
| Richard A. Gantz | |
| Fred J. Breeze | 22 |
| W. F. N. Goss | |
| Stanley Coulter | 23-28 |
| Louis F. Heimlich | |
| Fred Kaufmann, Edwin J. Kohl, C. L. Porter | 29-30 |
| Frank Senour | |
| E. R. Cumings | 31 |
| Joseph Swain | |
| John A. Miller | 32-33 |
| Emerson B. Wright | |
| C. F. Cox | 34 |
| Frank C. Wagner | |
| John White | 35-37 |
President's Address
| President's Address—Metals and the Microscope | |
| E. G. Mahin | 38-64 |
Papers on Botany
| A Contribution to the Phytoecology of Southern Indiana with Special Reference to Certain Ericaceae in a Limestone Area of the Bloomington Quadrangle | |
| Winona H. Welch | 65-84 |
| Bark Formation | |
| F. M. Andrews | 85 |
| Variations in Erigeron Annuus | |
| F. M. Andrews | 86 |
| A Natural Proof That the Root Tip Alone is Sensitive to the Gravitational Stimulus—II | |
| F. M. Andrews | 87-88 |
| Studies on Pollen— IV | |
| F. M. Andrews | 89-92 |
| Observations Concerning Diseases of Iris and Tulips | |
| E. B. Mains | 93-102 |
| Preservation of Monotropa and Similar Plants without Discoloration | |
| J. A. Nieuwland, A. D. Slavin | 103-104 |
| Peridia of Crucibulum vulgare | |
| Lewis B. Lockwood | 105-108 |
| Algae of Indiana—A Classified Check List of Those Published Between 1875 and 1928 | |
| C. Mervin Palmer | 109-122 |
| Tufa Deposits at Clifty Falls State Park | |
| Rexford F. Daubenmire | 123-126 |
| Indiana Fungi—XI | |
| J. M. VanHook | 127-130 |
| Some New Species of Fungi | PDF () |
| J. M. VanHook | 131-132 |
| Concerning the Reaction of Certain Fungi to Various Wave Lengths of Light | |
| C. L. Porter, H. W. Bockstahler | 133-136 |
| The Pericycle in the Root of Equisetum | |
| Marion A. Johnson | 137-138 |
| Sodium Chlorate as a Herbicide | |
| Albert A. Hansen | 139-142 |
| Indiana Plant Diseases, 1927 | |
| Max W. Gardner | 143-158 |
| Studies of Tomato Quality—IV: Variability in Quality and Food Value of Tomatoes | |
| John H. MacGillivray | 159-164 |
| The Ecology of Turkey Run State Park; Part I— The Flood Plain | |
| Caroline H. Swanson | 165-170 |
Papers on Chemistry and Bacteriology
| Mileage Obtained From Some Commercial Gasolines | |
| Edwin M. Bruce | 171-174 |
| Preparation of "Active" Magnesium Carbonate From Magnesite | |
| F. C. Mathers, W. V. Eagleson | 175-182 |
| Comparison of Rust Protection of Iron by Zinc, by Cadmium, and by Zinc-Copper Alloys and the Electrodeposition of such Alloys | |
| F. C. Mathers, R. L. Hardy | 183-186 |
| Esterification in the Presence of Anhydrous Salts | |
| F. M. Whitacre, H. T. Briscoe | 187-194 |
| The Formula of Ethylide Glycerol | |
| J. A. Nieuwland, W. L. Foohey | 195 |
| Cuprous Chloride as a Catalyst for Acetylene | |
| J. A. Nieuwland, W. L. Foohey | 196 |
| The Oxidation of Benzyl Alcohol by the Three Isomeric Nitrochlorbenzenes | |
| Robert E. Lyons, Guido H. Stempel Jr. | 197-200 |
Papers on Geology and Geography
| Three Cavern Pictures | |
| Clyde A. Malott | 201-206 |
| The History of the "Hoodoos" near Mammoth Hot Springs, Wyoming | |
| Allen D. Hole | 207-216 |
| Contrasts Among Indiana Counties in Their Yield of Prominent Persons | |
| Stephen S. Visher | 217-224 |
| Some Features of the Upper Surface of the Trenton Limestone in Indiana | |
| William N. Logan | 225-230 |
| Fibrous Marcasite in Crystalline Calcite near Logansport | |
| E. R. Smith, R. A. Schroeder | 231-232 |
| Stratigraphic Units of the Harrodsburg Limestone | |
| Paris B. Stockdale | 233-242 |
| A Striking Case of Differential Erosion | |
| Fred J. Breeze | 243-244 |
| Geological Information From the Monroe and Lawrence County Soil Maps | |
| T. M. Bushnell | 245-246 |
| Special Topographic Features and the Physiographic Background of the Bloomington (Indiana) Quadrangle | PDF () |
| Arch R. Addington | 247-262 |
Papers on Physics and Mathematics
| Lightning, Natural and Artificial | |
| Harvey A. Zinszer | 263-268 |
| The Thermionic Voltmeter as Applied to High Frequency Measurements | |
| J. B. Hershman | 269-274 |
| The Effect of Variations of the Force Fimction Upon Orbits of Least Action | |
| Oliver E. Glenn | 275-278 |
| A Helical Brass Spring with Constant Pitch Angle | |
| R. B. Abbott | 279-280 |
| Polarization of Radio Waves | PDF () |
| R. R. Ramsey, J. J. Brady | 281-286 |
| Photography of Sound Waves | |
| D. L. Eaton | 287-294 |
| A Convenient Method of Showing Anomalous Dispersion | |
| A. W. Dicus | 295-296 |
Papers on Zoology
| Some Internal Parasites of Poultry | |
| Otho J. Price | 297-298 |
| Insects of Indiana for 1928 | PDF () |
| J. J. Davis | 299-314 |
| The Water Mites of Lake Wawasee | |
| Ruth Marshall | 315-320 |
| The Chuck-Wills-Widow in Indiana | |
| Amos W. Butler | 321-322 |
| Comparative Results of Bird Banding in a Large City and a Small Town | |
| F. C. Test, L. A. Test | 323-328 |
| Additional Notes on Summer Birds of Turkey Run State Park | |
| F. H. Test | 329-332 |
| A Preliminary Report on Lernaea, a Copepod Parasitic on the Goldfish | |
| H. E. Enders, S. A. Rifenburgh | 333-334 |
| Records of Indiana Dragonflies— III, 1927-1928 | |
| B. Elwood Montgomery | 335-344 |
Back Matter
| List of Members | |
| 345-369 |