PROCEEDINGS OF THE OHIO ACADEMY OF SCIENCE 
Volume VII Part 4 
ANNUAL REporRT 
OF THE 
Our1o ACADEMY OF SCIENCE 
Twenty-ninth Meeting 
“en ieee, 
Organized 1891 Incorporated 1892 
PUBLICATION COMMITTEE 
J. H. SCHAFFNER L. B. WALTON L. G. WESTGATE 
Date of Publication, January 7, 1920 
Published by the Academy 
Columbus, Ohio 
