VOLUME VII. 
MAY, 
1907. 
NUMBER 7. 
Ibe 
Naturalist 
A Journal Devoted more 
Especially to the Natural 
% 
History of Ohio. 
OFFICIAL ORGAN qf THE BIOLOGICAL CLUB 
qf U* OHIO STATE UNIVERSITY. mi 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 Coiambus, Ohio, as Second-class Matter. 
