PROCEEDINGS OF THE OHIO STATE ACADEMY OF SCIENCE 



Volume IV, Part 1 . 



Twelfth Annual Report 



OF THE 



OHIO STATE 

 ACADEMY OF SCIENCE 



1903. 



^y/y>^ 



ORGANIZED 1891. INCORPORATED 1892. 



PURIFICATION COMMITTEE : 

 J. H. SCHAFFNER. JAS. S. HiNE. GERARD FOWKE. 



DATE OF PUBLICATION, April 15th, 1904. 



Published by the Academy 

 columbus, ohio. 



