47 
Division of Lands and Waters, represented by Chas. G. Sauers—5 minutes ; 
The Division of Fish and Game, represented by Geo. N. Mannfeld—15 min- 
utes ; Concluding Remarks by the Director, Richard Lieber—10 minutes. 
SECTION PROGRAM. 
2:00 P. M. Friday. 
Physical Sciences and all lantern papers in Parlor “B”. 
Biological Sciences in Assembly Room. 
PHYSICAL SCIENCES—GEOLOGY AND GEOGRAPHY. 
14. Origin of Indianaite—15 minutes—lantern—W. N. Logan. 
15. The Calumet Region—15 minutes—Chas. R. Dryer. 
16. The Stratigraphy 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 Cusps—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 Photographs—10 minutes—lantern— 
Arthur L. Foley. 
22. Retardation of a Sound Wave Moving Tangentially 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 Phosphorescent 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 Bearing Metals—10 minutes 
—lantern—H. G. Mahin. 
29. A Study of the Soils of Hancock County, Indiana—10 minutes—R. 
H. Carr, H. 8. Copeland and E. Gentzler. 
MATHEMATICS. 
30. Checks on the Accuracy of Computations in the Solution of Triangles 
(by title only) A. M. Kenyon. 
