20 



PROGRAM 



t)V THE 



TWENTY-SECOND ANNUAL MEETING, 



INDIANAPOLIS, INDIANA. 

 Held in Shortridge High School Building, November 30 and December I, 1906. 



*President's Address — The Evolution of Medicine in Indiana Robert Hessler 



GENERAL. 



*!• A State Natural Park, 5m Fred J. Breeze 



*2. Some Results from the Study of Life Insurance Problems, 10m C. H. Beckett 



3. The Sex Ratio in the Fruit Fly and its Control by Selection, 10m W. J. Moenkhaus 



4 An Outline of the Course in the Experimental Engineering Laboratory of Purdue Univer- 

 sity, 10m W. 0. Teague 



*5. The United States Geological Survey H. M. Wilson, Chief Geographer 



*6. Drainage Area of the East Fork of White River, 10m G. W. Shannon 



*/. Steps in the Development of a Smokeless City W^. F. M. Goss 



*8. Experimental Studies of Reinforced Concrete, 7m W. K. L'alt 



*.). Reclamation Possibilities of the Great Plains, 30m J. W. Beede 



*10. Huw the Body Fights Disease, 15m W. H. Manwaring 



11. The State Production and Control of Vaccines and Antitoxines, 15m L. W. Famulener 



*12. Recurrence of Uroglena in the Lafayette City Water Supply, 5m Severance Burrage 



*13. Laboratory Tests on certain Liquid Dentifrices and Mouth-washes, 15m Severance Burrage 



*14. A Critical Study of Methods of Sweeping Rooms and Wards in Hospitals, 10m Severance Burrage 



..*The program committee suggests that papers 6 to 9 inclusive be heard at the Friday evening meeting and 

 that the Academy invite its friends. 



MATHEMATICS. 



*15. On the Reduction of Partial Differential Equations of the Fourth Order, 10m Charles Haseman 



16. The Determination of a Certain Family of Surfaces, 10m Wm. H. Bates 



*17. Concerning Differential Invariants, 10m , D. A. Rotfarock 



*18. Conjugate Functions and Canonical Transformations, 10m D. A. Rothrock 



19. On the Formula for the .\rea of a Curve in Polar Coordinantes, 10m Jacob Westlund 



20. A Group of Scrolls Connected with a Steam Locomotive, 10m: C. A. Waldo 



CHEMISTRY. 



*21. Notes on Salt Lime. 10m F. B. Wade 



*22. Sugar and Sourness, 10m P. N. Evans 



*23. A Simple Method of Measuring Hydrolysis, 10m G. .'^. Abbott 



*24. The Ionization of the Successive Hydrogens of Orthophosphoric .4cid, 10m G. k. .\bbott 



25. Thiocarbonylsalicylamide and Derivatives, 5m R. E. Lyons and Elizabeth Shirley 



26. Some Complex Ureids, 5m R. E. Lyons and James Currie 



27. A Volumetic Method for the Estimation of Selenic .^cid, 5m R. E. Lyons and C. G. Carpenter 



*28. The Solubility of Uranium X in Ammonium Carbonate and the Variations in the Activity of 



Some Uranium Compounds, 10m R. B. Moore and Herman Schlundt 



*29. The Separation of Iron and Manganese by means of Pyridine, 5m R. B. Moore and Ivy Miller 



