The College Book Store 
Reference books in all departments of Higher Education. 
Biological Supplies and Advanced Text Books 
new and secondhand. 
OPPOSITE THE UNIVERSITY ENTRANCE, 
COLUMBUS, OHIO. 
There's always one best place to buy—one 
place where you can g'et best quality at the 
lowest price. In the engraving' industry this 
is our exclusive field. We can convince you 
if you’ll let us show samples and quote prices. 
Bucher Engraving Co., 
57-59-61 E-ast Gay St. 
COLUMBUS. OHIO. 
DIE STAMPING. 
PLATE AND LETTER PRESS PRINTING 
SPAH% & GLENN, 
PRINTERS and PUBLISHERS. 
50 EAST BROAD STREET, 
COLUMBUS, OHIO 
When writing to advertisers, please mention the “ Ohio Naturalist/* 
