24 



* 7. Testing Seed Corn by Specific Gravity, 5m H. A. Dunn 



* 8. Notes on the Flora of Cass County, Indiana, 10m Robert Hessler 



* 9. Bean Anthracnose, 10m M. F. Barrus 



*10. Endophytic Algae, 10m Jacob Schramm 



*11. Report of Work in Corn Pollination, 5m M. L. Fisher 



*12. Effect of the Recent Drought Upon Forest Trees, 10m Stanley Coulter 



*13. Difference Between Pinus taeda and Pinus palustris, 10m Katherine G. Bitting 



14. A F'orest Problem, 10m W. H. Freeman 



*15. Botany in the High School, 10m E. C. Snair 



*16. The Killing of Mustard and Other Noxious Weeds in the Grain Fields of South Dakota, 10m. . . .E. W. Olive 



*17. The Plankton of an Underground Stream Will Scott 



18. Anthracnose on Cereals and Grasses A. D. Selby and T F. Manns 



CHEMISTRY AND MATHEMATICS. 



* 1. The Meyer Molecular Weight Calculation, 10m Percy N. Evans 



* 2. The Vapor Pressure Method of Determining Molecular Weights, 15m J. B. Garner 



3. Reaction of Sulphuric Acid Interpreted Upon the Basis of the Electrolytic Dissociation Theory, 10m. . 



W. A. Ruth 



* 4. Action of Alpha Bromaeylesters on Sodium Acetylacetone, 10m G. A. Reddick 



* 5. Action of Alpha Bromaeylesters on Sodium Benzoylacetone, 10m J. B. Garner and G. J. Fink 



* 6. Relation of Fats to Moisture Content of Butter, 10m O. F\ Hunziker 



7. Note on a Class of Definitions, 5m F. R. Higgins 



8. A Graphical Representation of the Epsilon-Delta Definition of the Limit, of a Function and Continuity, 



5m F. R. Higgins 



* 9. The Beckinann Rearrangement J. B. Garner 



*10. The Use of the Polariscope in Testing High Tension Insulators C. F. Harding 



*ll. A Contribution to the Chemistry of Mucoid C. E. May 



*12. The Determination of Lead by Titration of Lead Chroraate C. E. Brooks 



*13. An Evolution Method for the Determination of Sulfur in Sulfates and Sulfides F. C. Mathers 



*14. The Deterioration of Platinum through Ignition of Phosphates R. E. Lyons 



GEOLOGY. 



1. Probable Origin of Depressions in the Mesa South of the Tijeras Canyon, New Mexico, 10m. Albert B. Reagan 



2. Headwaters of the Tippecanoe River, 10m J. T. Seovell 



3. Origin of Cyclones and Anticyclones of Temperate Latitudes, 10m W. A. McBeth 



4. Some Drainage Modifications in Southeastern Indiana W. M. Tucker 



5. Soil Survey of Daviess County . L. C. Snyder 



6. Caves and Cave Formations of the Mitchell Limestone of Indiana F. C. Greene 



ZOOLOGY. 



The Nasal Muscles of the Reptiles, 10m H. L. Bruner 



Swell Mechanisms of Vertebrates, 10m H. L. Bruner 



Life Zones of Indiana as Illustrated by the Distribution of Orthoptera and Coleoptera Within the State, 



15m W. S. Blatchley 



Animals of the Olympic Peninsula, Washington, 10m Albert B. Reagan 



The Effect of Successive Removal on the Rate of Regeneration Charles Zeleny 



Proportional Regeneration M. M. Ellis 



Curves Representing the Rate of Regeneration M. L. Durbin 



Circulation of Mixed Blood in the Adult Reptile and Amphibian as well as in the Fetal Mammal and Bird 



A. G. Pohlman 



*Papers read. 



