The Common Polypody Fern 



TABLE OF CONTENTS 



Fern Study - 



How to Know the Ferns 



List of Common Ferns - 



The Katydid — Florence White - 



Outline for Study of Fossils — Carroll Lane Fenton 



Asters — W. P. Alexander 



Oregon News — J. W. Thompson - 



Editorial - 



Bookshelf - 



Photo by Verne Morton 



235 

 244 



255 

 258 

 262 

 266 

 271 

 273 

 275 



Anna B. Comstock, Editor 

 associate editors 



Susan Sipe Albertis 

 Prof. J. Andrew Drushel 

 Prof, [ohn Dkarness 

 Miss Cora A. Smith 



Washington, D. C. 



St. Louis, Mo. 



London, Ontario 



Erie, Penna. 



Entered as second-class matter at the Pet Office at Ithaca. N. V 

 under the A ct of Mart! j 1R7Q 



