VOLUME XI 
MAY, 
I 9 I I • 
NUMBER 7. 
THE 
OHIO NATURALIST 
A Journal Devoted more 
Especially to the Natural 
History of Ohio. 
OFFICIAL ORGAN qf THE BIOLOGICAL CLUB 
qf tht OHIO STATE UNIVERSITY, and qf THE 
OHIO ACADEMY qf SCIENCE. 
Ohio State University, Columbus. 
Annual Subscription Price, $1.00. 
Single Number 15 cents. 
Entered it the Poit-Otfice it Columbus, Ohio, is Secosd-clus Mstter 
