Nature's 

 Calendar 



by 

 ERNEST INGERSOLL 

 Author of " Friends Worth 

 Knowing " " The Ice Queen " 



New York and London 

 HARPER & BROTHERS 

 PUBLISHERS MCM 



A Guide and Record 

 for Outdoor Observa- 

 tions in Natural History 



With Tivelvc Illustrations 

 from Original Photo- 

 graphs by Clarence Loivn 



