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 



CIRRIPEDIA FROM THE PANAMA 



By HENRY A. PILSBRY 



Of the Academy of Natural Sciences, Philadelphia 



Extract from Bulletin 103, pages 185-188, with Plate 67 



issuei i 3 1919 



WASHINGTON 



GOVERNMENT PRINTING OFFICE 



1918 



