THE 



Ol^io Naturalist 



Volume II. 

 Number 3. 



JANUARY, 1902. 



Annual Subscription, 50 cts. 

 Single Number, 10 cts. 



"The Best of Everythino; Laboratorial." 



fe 



For every division of Natural Science. 



Microscopes and Accessories. 



Slides and Cover Glasses. 



Pocket Magnifiers. 



Field Glasses. 



Dissecting Instruments. 



Insect Pins. 



Glassware, 



Chemicals, 



Etc., Etc. 



f^nmiinriTmmiTii 



General Upparatus i (bemical (ompanf' 



Cleveland, Ohio, 262 Prospect St. 



Branch : Berlin, Germany. 



Entered at the Post Office at Columbus, Ohio, as second class matter. 



