A journal devoted more especially to the 
natural history of Ohio. The official organ 
of The Biological Club of the Ohio 
State University. Published monthly 
during the academic year, from Novem- 
ber to June (8 numbers). Price 50 cents per year, payable in advance. 
To foreign countries, 75 cents. Single copies 10 cents. 
John H. Sohaffner, Editor. » 
F. J. Tyler, Subscriptions. 
R. F. Griggs, Advertising Agent. 
A.clclv(sSS 
THE OHIO NATURALIST, Ohio State University, 
COLUMBUS, OHIO. 
THE OHIO 
NATURALIST 
CONTENTS 
Notes on the SelUpruning of Trees 29 
John H. Schaffner and Fred. J. Tyler 
Plant Names Commemorative of Ohio Botanists 33 
Clara Armstrong 
The Maximum Height of Plants II 39 
John H. Schaffner 
Campus Birds 40 
Robert F. Griggs 
Minor Plant Notes No. 1 46 
W. A. Kellerman 
News and Notes 48 
