A YEAR OF COSTA RICAN 

 NATURAL HISTORY 



BY 

 AMELIA SMITH CALVERT 



SOMETIME FELLOW IN BIOLOGY, BRYN MAWR COLLEGE 

 AND 



PHILIP POWELL CALVERT 



PROrESSOR OF ZOOLOGY, UNIVERSITY OF PENNSYLVANIA 

 EDITOR OF ENTOMOLOGICAL NEWS 



WITH MAPS AND ILLUSTRATIONS 



5frm ^nrk 



THE MACMILLAN COMPANY 



1917 



All rights reserved 



