Volume III, No. 2 
Bulletin No. 12 
OHIO BIOLOGICAL SURVEY 
THE FI MET ARI ALES OF OHIO 
ROBERT STRATTON 
IKE LIBRARY, f: 
APR 2 4 m 
UNIVRfiTV OF 
Published by 
THE OHIO STATE UNIVERSITY 
Columbus, 
1921 
1 O B S 
