PROCEEDINGS OF THE OHIO ACADEMY OF SCIENCE 
Volume VII. Part 5 
ANNUAL REpoRT 
OF THE 
Ouro ACADEMY OF SCIENCE 
Thirtieth Meeting 
Pegs 26 
Organized 1891 Incorporated 1892 
PUBLICATION COMMITTEE 
J. H. ScHAFFNER L. B. WALTON L. G. WESTGATE 
Date of Publication, January 17, 1921 
Published by the Academy 
Columbus, Ohio 
