VOLUME X. 
APRIL, 
1910. 
NUMBER 6. 
THE 
OHIO NATURALIST 
A Journal Devoted more 
Especially to the Natural 
History of Ohio. 
OFFICIAL ORGAN qf THE BIOLOGICAL CLUB 
qf Ik* OHIO STATE UNIVERSITY, mid qf THE 
OHIO ACADEMY qf SCIENCE. 
Ohio State University, Columbus. 
Annual Subscription Price, $1.00. 
Sinfle Number 15 cent*. 
Entered at tht Port-Office at Cohtmbai, Ohio, ai Secoad-claai Matter. 
