47 



nivisioii of l.Miids and Waters, rcpicscnlcil l>y ('has. ii. Saiicrs ."> ininutos; 

 The Division (.f Fish and (iaiiic, ivpicscnlcl \<y i'.vo. \. .^raIlllt•.•ld— 15 min- 

 utes; Concludiiij: lU'Miaiks li\ (lie I •ircclor, Iiicliard I,iclii'i- Ki imIiiuIcs. 



SECTION PROGRAM. 

 L':0() I'. M. Frithiy. 



IMiysical Scicncos and all lantern \Ki\H-i-s in I'arlor "H". 

 Rioloyieal Seiencos in Assembly iioom. 



PHYSICAL SCIENCES— (JKOrXM J Y AND GEOGRAPHY. 



14. Origin of Indianaite — ir» minutes — lantern — W. N. Logan. 



15. The Calumet Region^lo minutes — Chas. R. Dryer. 



16. The Stratigrapliy of the Chester Series of Indiana — 10 minutes — 

 charts— Clyde A. Malott and J. D. Thompson, Jr. 



17. A Notable Case of Successive Stream Piracy — 10 minutes — charts — 

 Clyde A. Malott. 



18. Nomenclature of Indiana Geological Formations — 20 minutes — • 

 charts and maps — E. R. Cummings. 



19. Beach Cnsps — 20 minutes — E. R. Cummings. 



PHYSICS AND CHEMISTRY. 



20. Ground Resistance — 10 minutes — blackboard — R. R. Ramsey. 



21. Defects in Mouthpieces of Telephones and Other Sound Recording 

 Apparatus Shown by Sound Wave I'hotographs — 10 minutes — lantern — 

 Arthur L. Foley. 



22. Retardation of a Sound Wave Moving Tangontially Along a Solid 

 Wall — 5 minutes — lantern — Arthur L. Foley. 



23. A. New Method of Investigating the Electric Spark — 5 minutes — 

 lantern — Arthur L. Foley. 



24. An Electric Device for indicating at a Power House, the Depth of 

 Water in a Distant Reservoir — 5 minutes — lantern — Arthur L. Foley. 



25. The Spectrum of Phnsiihoroscent ^Mercury — 10 minutes — E. K. 

 Chapman. 



26. The Chemist and the Community 5 minutes — W. M. Blanchard. 



27. Some Chemical Reactions with High Frequency Corona — 20 minutes 

 — lantern — F. O. Anderegg. 



28. Segregation and Growth of Crystals in P.earing Metals — 10 minutes 

 — lantern — E. G. Mahin. 



29. A Study of the Soils of Hancock County. Indiana— 10 minutes— R. 

 H. Carr, H. S. Copeland and E. Gentzler. 



MATHEMATICS. 



.30. Checks on the Accuracy of Computations in the Solution of Triangles 

 (by title only) A. M. Kenyon. 



