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 



ON SOME FOSSIL AND 

 RECENT LITHOTHAMNIEAE OF THf 



PANAMA CANAL ZONE 



By MARSHALL A. HOWE 



Of the New York Botanical Garden 



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



WASHINGTON 



GOVERNMENT PRINTING OFFICE 



1918 



