SMITHSONIAN INSTITUTION 



UNITED STATES NATIONAL MUSEUM 

 Bulletin 103 



CONTRIBUTIONS TO THE GEOLOGY AND PALEON- 

 TOLOGY OF THE CANAL ZONE, PANAMA, AND 

 GEOLOGICALLY RELATED AREAS IN CEN- 

 TRAL AMERICA AND THE WEST INDIES. 



DECAPOD CRUSTACEANS FROM THE 

 PANAMA REGION 



By MARY J. RATHBUN 



Associate in Zoology, United States National Museum 



Extract from Bulletin 103, pages 123-184, with Plates 54-66 



ISSUED : 919 



WASHINGTON 



GOVERNMENT PRINTING OFFICE 



1918 



