VOLUME VII. 
APRIL, 
1907. 
NUMBER 6. 
The 
Ohio Naturalist 
A Journal Devoted more 
Especially to the Natural 
History of Ohio. 
OFFICIAL ORGAN qf THE BIOLOGICAL CLUB 
qf the OHIO STATE UNIVERSITY, and qf THE 
OHIO STATE ACADEMY qf SCIENCE. 
Ohio State University, Columbus. 
Annual Subscription Price, $1.00. 
Single Number 15 cents. 
Entered at the Post-Office at Columbur, Ohio, as Second-class Matter. 
