JUNE, 



Volume XV. 1915 Numbers. 



THE 



OHIO NATURALIST 



AND 



JOURNAL OF SCIENCE 



^ 



Official Organ of the OHIO ACADEMY OF SCIENCE and 

 BIOLOGICAL CLUB of the OHIO STATE UNIVERSITY 



COLUMBUS, OHIO 



Annual Subscription Price, $1.00 Single Number, IS'^Cents 



■ 

 Entered at the Post-Oflaice at Columbus, Ohio, as Second-Class Matter. 



