SMITHSONIAN INSTITUTION 



UNITED STATES NATIONAL MUSEUM 

 Bulletin 103 



CONTRIBUTIONS TO THE GEOLOGY AND PALEON- 

 TOLOGY OF THE CA^AL ZONE, PANAMA, AND 

 GEOLOGICALLY RELATED AREAS IN CEN- 

 TRAL AMERICA AND THE WEST INDIES 



ON SOME FOSSIL AND 



RECENT LITHOTHAMNIEAE OF THE 



PANAMA CANAL ZONE 



By MARSHALL A. HOWE 

 Of the New York Botanical Garden 



J&UREAU OF 



Extract from Bulletin 103, pages 1-13, with Plates 1—11 



WASHINGTON 



GOVERNMENT PRINTING OFFICE 



1918 



