Table of Contents 



TABLE OF CONTENTS 



Page 



Aims and Purposes of the Indiana Academy of Science 5 



Officers and Committees for 1923 7 



Past Officers of the Academy 9 



Minutes of the Spring Meeting, 1923 11 



Early History of the Indiana Academy of Science: Amos W. Butler. . 14 

 Brookville and its Contribution to the Intellectual Life of the State: 



John C. Shirk 19 



Winter Meeting 23 



Program 23 



Minutes of Business Session 27 



Minutes of General Session 31 



Papers — General — 



President's Address — Bacteriology and its Practical Significance: 



Charles A. Behrens 35 



A Plea Against Over-Standardization in Scientific Education: 



E. G. Mahin 47 



Geographic Variations in Indiana in Typhoid, Tuberculosis, Cancer 



and in Total Deaths: Stephen Sargent Visher 55 



Papers of Geology, Geography, and Archeology — 



A Change of Drainage of Raccoon Creek, Parke County, Indiana: 



Glenn G. Bartle 63 



The Development of Soil Survey: T. M. Bushnell 69 



A Case of Stream Piracy near Greencastle, Indiana: Ernest Rice 



Smith 73 



Papers on Chemistry and Physics — 



The Silent Electric Discharge and its Effect on Gases: R. H. George 



and K. A. Oplinger 77 



The Electrometric Titration of Boric Acid in the Presence of Poly- 

 phenols and Organic Acids: M. G. Mellon and V. N. Morris 85 



tThe Peculiar Properties of Water in Light of its Molecular Structure: 



F. O. Anderegg 93 



Familiarizing Chemistry Students with the Gram-Molecular Volume 



of Gases: W. M. Blanchard 103 



A Study of Locomotive Whistles: Arthur L. Foley 105 



The Power Required to Drive Spoke and Disk Wheels and Pulleys: 



Arthur L. Foley and B. Eisenhour 115 



Why the Logarithm in Logarithmic Decrement?: R. R. Ramsey 121 



Papers on Botany, Zoology and Entomology — 



fList of Indiana Plants, chiefly from Putnam County, collected 



1919-1915 by Earl J. Grimes: Eileen W. Erlanson 123 



tindiana Plant Diseases, 1921: Max W. Gardner 163 



Indiana Pla nt Diseases, 1922: Max W. Gardner 202 



fPresented at the 1922 Meeting. 



