VOLUME XII. 
APRIL 
1912. 
NUMBER 6. 
THE 
OHIO NATURALIST 
A Journal Devoted more 
Especially to the Natural 
History of Ohio. 
OFFICIAL ORGAN qf THE BIOLOGICAL CLUB 
qf Uf* OHIO STATE UNIVERSITY, and qf THE 
OHIO ACADEMY qf SCIENCE. 
Ohio State University, Columbus. 
Annual Subscription Price, $1.00 
Single Number 15 cents. 
Entered at the Post-Offiioe at Columbs, Ohio, as Second-Class Matter 
