50 



Subject: Electric Discharge in Vacuum Tubes — "The Electron," Science 



Hall, Room 38. 



A smoker will be given by the Sigma Xi Scientific Fraternity at the 

 Faculty Club Rooms immediately after Professor Knipp's address. 



Saturday. 

 Business Session 8 :00 a.m. 



GENERAL SESSION. 

 Friday, 10:00 a.m. 



1. Transplantation of Testes into Ovariectomized Female Guinea 



Pigs, 5 min By Mathew Winters 



Presented by Dr. B. D. Myers, Indiana University. 



2. The Physiography of Indianapolis, 15 min. (by title) .Chas. R. Dryer 



3. The Pygidiidae, 30 min C. H. Eigenmann, Indiana University 



4. Some criteria of Skeletal Homologies, 15 min 



J. S. Kingsley, University of Illinois 



5. A Fish Epidemic in Huffman's Lake, 10 min 



Will Scott, Indiana University 



6. Germinal Changes Affecting Facet Number in the Bar-eyed 



Race of Drosophila, 10 min 



Charles Zeleny, University of Illinois 



7. The Dwarfing Effect of Attacks of Mites of the Genus Eriophy- 



dae upon Norway Maples, 10 min 



Howard E. Enders, Purdue University 



8. Where the Feeble-minded are Self-supporting, 12 min 



Hazel I. Hansford, Indiana University 



SECTIONAL MEETINGS. 



Friday 1:30 p.m. and Saturday 8:30 a.m. 



Astronomy. 



1. A New Form of Telescope Mounting, 10 min 



W. A. Cogshall, Indiana University 



Bacteriology. 



2. Bacterial Action on Proteins in presence of Carbohydrates, 10 



min.H. M. Weeter, Purdue Univ.; George Spitzer, Purdue Univ. 



