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 54-6 



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WASHINGTON 



GOVERNMENT PRINTING OFFICE 



1918 



